EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D E
F
G H
I
J
K L
M
SECTION EC
A
EC
Revision: 2005 July 2005 FX
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 15
DTC No. Index .................................................... ... 15
Alphabetical Index ............................................... ... 19
PRECAUTIONS ..................................................... ... 23
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ... 23
On Board Diagnostic (OBD) System of Engine and
A/T ....................................................................... ... 23
Precaution ........................................................... ... 23
PREPARATION ...................................................... ... 27
Special Service Tools .......................................... ... 27
Commercial Service Tools ................................... ... 29
ENGINE CONTROL SYSTEM ............................... ... 30
System Diagram .................................................. ... 30
Multiport Fuel Injection (MFI) System ................. ... 31
Electronic Ignition (EI) System ............................ ... 33
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................. ... 34
AIR CONDITIONING CUT CONTROL .................. ... 35
Input/Output Signal Chart .................................... ... 35
System Description ............................................. ... 35
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 36
System Description ............................................. ... 36
Component Description ....................................... ... 37
CAN COMMUNICATION ....................................... ... 38
System Description ............................................. ... 38
EVAPORATIVE EMISSION SYSTEM .................... ... 39
Description .......................................................... ... 39
Component Inspection ........................................ ... 42
Removal and Installation ..................................... ... 43
How to Detect Fuel Vapor Leakage .................... ... 43
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ................................................................... ... 46
System Description ............................................. ... 46
Diagnostic Procedure .......................................... ... 47
Component Inspection ........................................ ... 49 POSITIVE CRANKCASE VENTILATION ..............
... 51
Description ........................................................... ... 51
Component Inspection ......................................... ... 51
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ..................................................................... ... 53
Description ........................................................... ... 53
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... ... 54
Introduction .......................................................... ... 54
Two Trip Detection Logic ..................................... ... 54
Emission-Related Diagnostic Information ............ ... 55
Malfunction Indicator Lamp (MIL) ........................ ... 69
OBD System Operation Chart ............................. ... 72
BASIC SERVICE PROCEDURE ............................ ... 78
Basic Inspection .................................................. ... 78
Idle Speed and Ignition Timing Check ................. ... 83
Idle Mixture Ratio Adjustment .............................. ... 85
VIN Registration .................................................. ... 96
Accelerator Pedal Released Position Learning ... ... 96
Throttle Valve Closed Position Learning .............. ... 96
Idle Air Volume Learning ..................................... ... 97
Fuel Pressure Check ........................................... ... 99
TROUBLE DIAGNOSIS ......................................... .101
Trouble Diagnosis Introduction ............................ .101
DTC Inspection Priority Chart .............................. .107
Fail-Safe Chart .................................................... .109
Symptom Matrix Chart ......................................... .110
Engine Control Component Parts Location ......... .114
Vacuum Hose Drawing ........................................ .120
Circuit Diagram .................................................... .121
ECM Harness Connector Terminal Layout .......... .123
ECM Terminals and Reference Value .................. .123
CONSULT-II Function (ENGINE) ......................... .132
Generic Scan Tool (GST) Function ...................... .144
CONSULT-II Reference Value in Data Monitor .... .147
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... .151
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .153
Description ........................................................... .153
Testing Condition ................................................. .153
EC-8Revision: 2005 July 2005 FX
VK45DE
INDEX FOR DTC .....................................................707
DTC No. Index ..................................................... .707
Alphabetical Index ............................................... .711
PRECAUTIONS ...................................................... .715
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .............................................................. .715
On Board Diagnostic (OBD) System of Engine and
A/T ....................................................................... .715
Precaution ........................................................... .715
PREPARATION ...................................................... .719
Special Service Tools .......................................... .719
Commercial Service Tools ................................... .720
ENGINE CONTROL SYSTEM ............................... .721
System Diagram .................................................. .721
Multiport Fuel Injection (MFI) System .................. .722
Electronic Ignition (EI) System ............................ .724
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................. .725
AIR CONDITIONING CUT CONTROL ................... .726
Input/Output Signal Chart .................................... .726
System Description .............................................. .726
AUTOMATIC SPEED CONTROL DEVICE (ASCD) .727
System Description .............................................. .727
Component Description ....................................... .728
CAN COMMUNICATION ........................................ .729
System Description .............................................. .729
EVAPORATIVE EMISSION SYSTEM .................... .730
Description ........................................................... .730
Component Inspection ......................................... .733
Removal and Installation ..................................... .734
How to Detect Fuel Vapor Leakage ..................... .734
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ................................................................... .737
System Description .............................................. .737
Diagnostic Procedure .......................................... .738
Component Inspection ......................................... .740
POSITIVE CRANKCASE VENTILATION .............. .742
Description ........................................................... .742
Component Inspection ......................................... .742
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ..................................................................... .744
Description ........................................................... .744
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... .745
Introduction .......................................................... .745
Two Trip Detection Logic ..................................... .745
Emission-Related Diagnostic Information ............ .746
Malfunction Indicator Lamp (MIL) ........................ .760
OBD System Operation Chart ............................. .764
BASIC SERVICE PROCEDURE ............................ .769
Basic Inspection .................................................. .769
Idle Speed and Ignition Timing Check ................. .774
Idle Mixture Ratio Adjustment .............................. .775
VIN Registration .................................................. .786
Accelerator Pedal Released Position Learning ... .786
Throttle Valve Closed Position Learning .............. .786 Idle Air Volume Learning ......................................
.787
Fuel Pressure Check ........................................... .789
TROUBLE DIAGNOSIS ......................................... .791
Trouble Diagnosis Introduction ............................ .791
DTC Inspection Priority Chart .............................. .797
Fail-Safe Chart ..................................................... .799
Symptom Matrix Chart ......................................... .800
Engine Control Component Parts Location .......... .804
Vacuum Hose Drawing ........................................ .810
Circuit Diagram .................................................... .811
ECM Harness Connector Terminal Layout ........... .813
ECM Terminals and Reference Value .................. .813
CONSULT-II Function (ENGINE) ......................... .822
Generic Scan Tool (GST) Function ...................... .835
CONSULT-II Reference Value in Data Monitor .... .838
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... .842
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .844
Description ........................................................... .844
Testing Condition ................................................. .844
Inspection Procedure ........................................... .844
Diagnostic Procedure ........................................... .845
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT ...................................................................... .854
Description ........................................................... .854
Diagnostic Procedure ........................................... .854
POWER SUPPLY AND GROUND CIRCUIT .......... .855
Wiring Diagram .................................................... .855
Diagnostic Procedure ........................................... .856
Ground Inspection ................................................ .861
DTC U1000, U1001 CAN COMMUNICATION LINE .862
Description ........................................................... .862
On Board Diagnosis Logic ................................... .862
DTC Confirmation Procedure ............................... .862
Wiring Diagram .................................................... .863
Diagnostic Procedure ........................................... .864
DTC P0011, P0021 IVT CONTROL ........................ .865
Description ........................................................... .865
CONSULT-II Reference Value in Data Monitor Mode .866
On Board Diagnosis Logic ................................... .866
DTC Confirmation Procedure ............................... .867
Wiring Diagram .................................................... .868
Diagnostic Procedure ........................................... .871
Component Inspection ......................................... .875
Removal and Installation ...................................... .876
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER .877
Description ........................................................... .877
CONSULT-II Reference Value in Data Monitor Mode .877
On Board Diagnosis Logic ................................... .877
DTC Confirmation Procedure ............................... .878
Wiring Diagram .................................................... .879
Diagnostic Procedure ........................................... .882
Component Inspection ......................................... .884
Removal and Installation ...................................... .884
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .885
Description ........................................................... .885
CONSULT-II Reference Value in Data Monitor Mode
GI-1
GENERAL INFORMATION
A GENERAL INFORMATION
CONTENTS
C
D E
F
G H
I
J
K L
M B
GI
SECTION GI
Revision: 2005 July
2005 FX
GENERAL INFORMATION
PRECAUTIONS .......................................................... 3
Description .......................................................... ..... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for NVIS/IVIS (NISSAN/INFINITI
VEHICLE IMMOBILIZER SYSTEM - NATS) (If
Equipped) ............................................................ ..... 3
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ..................................... ..... 4
OPERATION PROCEDURE ............................ ..... 4
Precautions for Procedures without Cowl Top Cover ..... 4
General Precautions ........................................... ..... 4
Precautions for Three Way Catalyst .................... ..... 6
Precautions for Fuel (Unleaded Premium Gasoline
Recommended) ................................................... ..... 6
Precautions for Fuel (Unleaded Premium Gasoline
Required) ............................................................ ..... 7
Precautions for Multiport Fuel Injection System or
Engine Control System ....................................... ..... 7
Precautions for Hoses ......................................... ..... 7
HOSE REMOVAL AND INSTALLATION .......... ..... 7
HOSE CLAMPING ........................................... ..... 8
Precautions for Engine Oils ................................. ..... 8
HEALTH PROTECTION PRECAUTIONS ........ ..... 8
ENVIRONMENTAL PROTECTION PRECAU-
TIONS .............................................................. ..... 8
Precautions for Air Conditioning .......................... ..... 8
HOW TO USE THIS MANUAL .............................. ..... 9
Description .......................................................... ..... 9
Terms .................................................................. ..... 9
Units .................................................................... ..... 9
Contents .............................................................. ..... 9
Components ........................................................ ... 10
SYMBOLS ........................................................ ... 10
How to Follow Trouble Diagnoses ....................... .... 11
DESCRIPTION ................................................. .... 11
HOW TO FOLLOW TEST GROUPS IN TROU-
BLE DIAGNOSES ............................................ .... 11
HARNESS WIRE COLOR AND CONNECTOR NUMBER INDICATION ....................................
... 12
KEY TO SYMBOLS SIGNIFYING MEASURE-
MENTS OR PROCEDURES ............................ ... 13
How to Read Wiring Diagrams ............................ ... 15
CONNECTOR SYMBOLS ................................ ... 15
SAMPLE/WIRING DIAGRAM - EXAMPL - ....... ... 16
DESCRIPTION ................................................. ... 17
Abbreviations ....................................................... ... 23
SERVICE INFORMATION FOR ELECTRICAL INCI-
DENT ...................................................................... ... 24
How to Check Terminal ........................................ ... 24
CONNECTOR AND TERMINAL PIN KIT ......... ... 24
HOW TO PROBE CONNECTORS ................... ... 24
How to Perform Efficient Diagnosis for an Electrical
Incident ................................................................ ... 27
WORK FLOW ................................................... ... 27
INCIDENT SIMULATION TESTS ..................... ... 27
CIRCUIT INSPECTION .................................... ... 30
Control Units and Electrical Parts ........................ ... 35
PRECAUTIONS ............................................... ... 35
CONSULT-II CHECKING SYSTEM ....................... ... 37
Description ........................................................... ... 37
Function and System Application ........................ ... 37
Nickel Metal Hydride Battery Replacement ......... ... 38
Checking Equipment ........................................... ... 38
CONSULT-II Start Procedure ............................... ... 38
CONSULT-II Data Link Connector (DLC) Circuit . ... 39
INSPECTION PROCEDURE ........................... ... 39
CIRCUIT DIAGRAM ......................................... ... 40
LIFTING POINT ...................................................... ... 41
Special Service Tools .......................................... ... 41
Garage Jack and Safety Stand ............................ ... 41
2-Pole Lift ............................................................ ... 42
Board-On Lift ....................................................... ... 43
TOW TRUCK TOWING .......................................... ... 44
Tow Truck Towing ................................................ ... 44
2WD MODELS ................................................. ... 44
AWD MODELS ................................................. ... 45
Vehicle Recovery (Freeing a Stuck Vehicle) ........ ... 45
AUTOMATIC TRANSMISSION ........................ ... 46
GW-1
GLASSES, WINDOW SYSTEM & MIRRORS
I BODY
CONTENTS
C
D E
F
G H
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K L
M
SECTION GW
A
B
GW
Revision: 2005 July 2005 FX
GLASSES, WINDOW SYSTEM & MIRRORS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Procedures without Cowl Top Cover ..... 3
Handling for Adhesive and Primer ...................... ..... 3
PREPARATION ...................................................... ..... 4
Special Service Tools .......................................... ..... 4
Commercial Service Tools ................................... ..... 4
SQUEAK AND RATTLE TROUBLE DIAGNOSES ..... 5
Work Flow ........................................................... ..... 5
CUSTOMER INTERVIEW ................................ ..... 5
DUPLICATE THE NOISE AND TEST DRIVE .. ..... 6
CHECK RELATED SERVICE BULLETINS ...... ..... 6
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE ................................................. ..... 6
REPAIR THE CAUSE ...................................... ..... 6
CONFIRM THE REPAIR .................................. ..... 7
Generic Squeak and Rattle Troubleshooting ...... ..... 7
INSTRUMENT PANEL ..................................... ..... 7
CENTER CONSOLE ........................................ ..... 7
DOORS ............................................................ ..... 7
TRUNK ............................................................. ..... 8
SUNROOF/HEADLINING ................................ ..... 8
SEATS .............................................................. ..... 8
UNDERHOOD .................................................. ..... 8
Diagnostic Worksheet ......................................... ..... 9
WINDSHIELD GLASS ........................................... ....11
Removal and Installation ..................................... .... 11
REMOVAL ........................................................ .... 11
INSTALLATION ................................................ ... 12
BACK DOOR WINDOW GLASS ........................... ... 13
Removal and Installation ..................................... ... 13
REMOVAL ........................................................ ... 13
INSTALLATION ................................................ ... 14
POWER WINDOW SYSTEM ................................. ... 15
Component Parts and Harness Connector Location ... 15
System Description ............................................. ... 16
WITH FRONT POWER WINDOW ANTI-PINCH
SYSTEM .......................................................... ... 16 WITH FRONT AND REAR WINDOW ANTI-
PINCH SYSTEM .............................................. ... 16
MANUAL OPERATION ..................................... ... 17
AUTO OPERATION .......................................... ... 19
POWER WINDOW SERIAL LINK .................... ... 20
POWER WINDOW LOCK ................................ ... 20
RETAINED POWER OPERATION ................... ... 21
ANTI-PINCH SYSTEM ..................................... ... 21
POWER WINDOW CONTROL BY THE KEY
CYLINDER SWITCH ........................................ ... 21
CAN Communication System Description ........... ... 22
CAN Communication Unit .................................... ... 22
Schematic/With Front Power Window Anti-Pinch
System ................................................................. ... 23
Wiring Diagram — WINDOW —/With Front Power
Window Anti-Pinch System ................................. ... 24
Terminal and Reference Value for BCM / With Front
Power Window Anti-Pinch System ...................... ... 28
Terminal and Reference Value for Power Window
Main Switch / With Front Power Window Anti-pinch
System ................................................................. ... 29
Terminal and Reference Value for Front Power Win-
dow Switch (Passenger Side) / With Front Power
Window Anti-pinch System .................................. ... 30
Schematic/With Front and Rear Power Window
Anti-Pinch System ............................................... ... 31
Wiring Diagram — WINDOW —/With Front and
Rear Power Window Anti-Pinch System ............. ... 32
Terminal and Reference Value for BCM / With Front
and Rear Power Window Anti-Pinch ................... ... 37
Terminal and Reference Value for Power Window
Main Switch / With Front and Rear Power Window
Anti-pinch System ................................................ ... 38
Terminal and Reference Value for (Front and Rear)
Power Window Switch / With Front and Rear Win-
dow Anti-pinch System ........................................ ... 39
CONSULT-II Function (BCM) .............................. ... 40
ACTIVE TEST .................................................. ... 41
WORK SUPPORT ............................................ ... 41
DATE MONITOR .............................................. ... 41
IDX-3
A
C
D E
F
G H
I
J
K L
B
IDX
ALPHABETICAL INDEX
BRK/SW - Wiring diagram ...............
EC-615, EC-1298
Bulb specifications ............................................ LT-203
Bumper, front ....................................................... EI-14
Bumper, rear ........................................................ EI-17
C
Camshaft inspection(VK45DE) ........................ EM-213
Camshaft inspection(VQ35DE) ......................... EM-86
Camshaft position sensor (PHASE) EC-307, EC-1043
Camshaft(VK45DE) ......................................... EM-212
Camshaft(VQ35DE) ........................................... EM-84
CAN .................................................................... DI-29
CAN - Wiring diagram ......... EC-172, EC-863, LAN-49,
LAN-87
, LAN-128, LAN-173, LAN-221, LAN-262,
LAN-306
, LAN-353, LAN-402, LAN-436
CAN (Controller Area Network) . BL-24, BL-59, BL-98,
BL-191
, GW-22, GW-88, RF-13, SE-16
CAN communication EC-171, EC-862, AT-32, AT-106,
TF-13
, TF-32, WT-9, BRC-11, BL-24, BL-59, BL-98,
BL-191
, GW-22, GW-88, RF-13, SE-16, DI-84, WW-9
Canister-See EVAP canister ............... EC-42, EC-733
Center bearing assembly (propeller shaft) ........ PR-13
Center bearing disassembly (propeller shaft) .... PR-12
CHARGE - Wiring diagram ................................ SC-24
Charging system ................................................ SC-23
Chassis and body maintenance ........................ MA-29
CHIME - Wiring diagram ..................................... DI-63
CIGAR - Wiring diagram .................................. WW-55
Cigarette lighter ............................................... WW-55
Cigarette lighter illumination ............................. LT-158
Circuit breaker ................................................... PG-17
Clock ................................................................. DI-112
CLOCK - Wiring diagram .................................. DI-112
Closed loop control .............................. EC-32, EC-723
Collision diagnosis ........................................... SRS-46
Combination lamp, rear, removal and installation ........
LT-149
Combination meter ............................................... DI-5
Combination meter removal and installation - See
Instrument panel .................................................. IP-11
COMM - Wiring diagram .................................. AV-114
COMPAS - Wiring diagram ................................. DI-40
Compass ............................................................ DI-38
Component Location (auto A/C) ...................... ATC-43
Compression pressure(VK45DE) .................... EM-229
Compression pressure(VQ35DE) .................... EM-100
Compressor clutch removal and installation .. ATC-144
Compressor special service tool ...................... ATC-17
Condenser ..................................................... ATC-155
Connecting rod bearing clearance(VK45DE) .. EM-269
Connecting rod bushing clearance .................. EM-142
Connecting rod bushing clearance(VK45DE) .. EM-264
Connecting rod(VK45DE) ................................ EM-264
Connecting rod(VQ35DE) ................................ EM-140
Console box - See Instrument panel ................... IP-10
CONSULT for VDC ......................................... BRC-25
CONSULT-II Reference value (A/T) .................. AT-90
Control units (terminal arrangement) ................. PG-76
Control valve (A/T) ............................................. AT-37
Controller Area Network (CAN) . BL-24, BL-59, BL-98,
BL-191
, GW-22, GW-88, RF-13, SE-16
Converter housing installation ........... AT-272, AT-276
COOL/F - Wiring diagram ................ EC-471, EC-1217
Coolant replacement(VQ35DE) ........................ MA-15
Cooling circuit (engine)(VK45DE) ..................... CO-35
Cooling circuit (engine)(VQ35DE) ...................... CO-9
Cooling fan motor ............................ EC-478, EC-1224
Cooling fan(VK45DE) ....................................... CO-49
Cooling fan(VQ35DE) ....................................... CO-21
Cowl top .............................................................. EI-23
Cowl top cover .................................................... EI-23
Crankcase ventilation system - See Positive crankcase
ventilation ............................................. EC-51
, EC-742
Crankshaft position sensor (POS) ... EC-300, EC-1036
Crankshaft(VK45DE) ...................................... EM-246
Crankshaft(VQ35DE) ...................................... EM-140
Crash zone sensor .......................................... SRS-42
Cylinder block boring(VK45DE) ...................... EM-267
Cylinder block(VK45DE) ................................. EM-245
Cylinder block(VQ35DE) ................................. EM-122
Cylinder head bolt tightening(VK45DE) .......... EM-231
Cylinder head bolt tightening(VQ35DE) .......... EM-103
Cylinder head(VK45DE) ................................. EM-229
Cylinder head(VQ35DE) ................................. EM-100
D
D/LOCK - Wiring diagram ....................... BL-26
, BL-32
Daytime light system ........................................... LT-39
Daytime running light - See Daytime light system LT-39
Diagnosis sensor unit ..................................... SRS-45
Diagnostic trouble code (DTC) for OBD system EC-15,
EC-707
Direct clutch solenoid valve ............... AT-158, AT-160
Display and amp.assembly ............... ATC-51, ATC-63
Door glass ........................................... GW-76, GW-80
Door glass Fitting Adjustment(Front) ................ GW-78
Door glass Fitting Adjustment(Rear) ................. GW-83
Door lock .......................................................... BL-157
Door mirror ...................................................... GW-114
Door trim ............................................................. EI-34
Door, front ........................................... BL-153, GW-76
Door, rear ............................................ BL-153, GW-80
Drive belt inspection ......................................... MA-22
Drive belt inspection(VQ35DE) ......................... MA-14
Drive belt(VK45DE) ........................................ EM-173
Drive belt(VQ35DE) .......................................... EM-15
Drive shaft ......................................................... MA-38
Drive shaft (rear) ............................................... RAX-9
Driver air bag .................................................. SRS-35
DTRL - Wiring diagram ....................................... LT-42
Duct and grilles .............................................. ATC-134
E
ECM power supply EC-164
, EC-413, EC-855, EC-1137
ECM/PW - Wiring diagram ............... EC-414, EC-1138
IDX-4
ALPHABETICAL INDEX
ECTS - Wiring diagram ...................... EC-210, EC-916
Electric sunroof .................................................. RF-10
Electric throttle control actuator ........ EC-424, EC-426,
EC-1148
, EC-1150
Electric throttle control actuator (VK45DE) ..... EM-178
Electric throttle control actuator (VQ35DE) ....... EM-19
Electrical load signal circuit .............. EC-679, EC-1369
Electrical unit ..................................................... PG-76
Electrical units location ...................................... PG-70
Electronic ignition (EI) system ............. EC-33, EC-724
Engine control module (ECM) .......... EC-402, EC-1134
Engine control system diagram ....................... EC-721
Engine control system diagram and chart ......... EC-30
Engine coolant temperature sensor (ECTS) ... EC-208,
EC-220
, EC-914, EC-927
Engine coolant(VK45DE) .................................. CO-37
Engine coolant(VQ35DE) ................................. CO-11
Engine oil filter replacement ............................. MA-26
Engine oil filter replacement(VQ35DE) ............. MA-19
Engine oil precautions .......................................... GI-8
Engine oil replacement(VQ35DE) ..................... MA-18
Engine oil(VK45DE) ........................................... LU-25
Engine oil(VQ35DE) ............................................ LU-7
Engine removal(VK45DE) ............................... EM-240
Engine removal(VQ35DE) .............................. EM-112
Engine room cover(VK45DE) ......................... EM-172
ETC1 - Wiring diagram .................... EC-427, EC-1151
ETC2 - Wiring diagram .................... EC-434, EC-1158
ETC3 - Wiring diagram .................... EC-438, EC-1162
EVAP canister ...................................... EC-42, EC-733
EVAP canister purge volume control solenoid valve ....
EC-336
, EC-1069, EC-1233
EVAP canister vent control valve ...... EC-343, EC-568,
EC-1076
, EC-1241
EVAP control system (small leak) diagnosis .. EC-327,
EC-367
, EC-1061, EC-1108
EVAP control system pressure sensor ........... EC-350,
EC-353
, EC-359, EC-1083, EC-1086, EC-1092
EVAP control system purge flow monitoring diagnosis
EC-322
, EC-1056
EVAP vapor lines inspection ................. MA-21, MA-28
Evaporative emission (EVAP) system . EC-39, EC-730
Evaporator ..................................................... ATC-156
Exhaust manifold(VK45DE) ............................ EM-182
Exhaust manifold(VQ35DE) .............................. EM-26
Exhaust system ................................................... EX-3
Exhaust system inspection ..................... EX-3, MA-29
Expansion valve ............................................. ATC-157
F
F/FOG - Wiring diagram ..................................... LT-81
F/PUMP - Wiring diagram ................ EC-669, EC-1359
Final drive pre-inspection .................. FFD-20, RFD-17
Final drive removal and installation .. FFD-12, FFD-14,
RFD-14
Floor trim ............................................................. EI-39
Flow charts ......................................................... GI-27
Fluid temperature sensor (A/T) ........................ AT-136
Fluorescent leak detector ............................. ATC-158
Fog lamp, front ................................................... LT-79
Front axle ............................................ FAX-4, FAX-10
Front brake solenoid valve ................. AT-154, AT-156
Front bumper ...................................................... EI-14
Front door ............................. BL-153, BL-157, GW-76
Front fog lamp .................................................... LT-79
Front passenger air bag .................................. SRS-39
Front seat belt ...................................................... SB-3
Front seat belt pre-tensioner ..... SB-2, SRS-3, SRS-44
Front suspension .............................................. FSU-6
Front washer ...................................................... WW-4
Front wiper ......................................................... WW-4
FTTS - Wiring diagram .... EC-269, EC-274, EC-1006,
EC-1011
Fuel cut control (at no load high engine speed) EC-34,
EC-725
Fuel filter replacement ......................................... FL-4
Fuel gauge ............................................................ DI-5
Fuel injection system (Bank 1) .......... EC-986, EC-995
Fuel injection system (Bank 2) .......... EC-986, EC-995
Fuel injector and fuel tube(VK45DE) .............. EM-192
Fuel injector and fuel tube(VQ35DE) ................ EM-45
Fuel level sensor EC-385, EC-387, EC-389, EC-1117,
EC-1119
, EC-1121
Fuel line inspection .................................. FL-3, MA-25
Fuel line inspection(VQ35DE) .......................... MA-17
Fuel precautions .......................................... GI-6, GI-7
Fuel pressure check ........................... EC-99, EC-789
Fuel pressure release ......................... EC-99, EC-789
Fuel pump ....................................... EC-668, EC-1358
Fuel pump and gauge .......................................... FL-4
Fuel system ......................................................... FL-3
Fuel tank ............................................................ FL-10
Fuel tank temperature sensor .......... EC-267, EC-273,
EC-1004
, EC-1010
Fuel tank vacuum relief valve ............. EC-42, EC-733
FUELB1 - Wiring diagram .. EC-250, EC-260, EC-988,
EC-997
FUELB2 - Wiring diagram .. EC-251, EC-261, EC-989,
EC-998
Fuse .................................................................. PG-17
Fuse and fusible link box .................................. PG-83
Fusible link ........................................................ PG-17
G
Gauges ................................................................. DI-5
Glass ...................................... GW-11, GW-76, GW-80
Glove box lamp ................................... LT-156, LT-202
Grille - See Exterior ............................................ EI-22
Ground distribution ........................................... PG-31
H
H/AIM - Wiring diagram ..................................... LT-75
H/LAMP - Wiring diagram .................................. LT-11
Harness connector ............................................ PG-74
Harness layout .................................................. PG-46
IDX-7
A
C
D E
F
G H
I
J
K L
B
IDX
ALPHABETICAL INDEX
Pressure switch 6 ...............................
AT-164, AT-181
Pressure test (A/T) ............................................ AT-54
Propeller shaft ........................................... PR-4, PR-7
Propeller shaft on vehicle service .............. PR-4, PR-7
Propeller shaft vibration ............................. PR-4, PR-7
PS/SEN - Wiring diagram ................ EC-398, EC-1130
R
R/VIEW - Wiring diagram ................................. DI-117
Radiator(VK45DE) ............................................. CO-41
Radiator(VQ35DE) ............................................ CO-14
Rear axle ........................................................... RAX-5
Rear bumper ........................................................ EI-17
Rear combination lamp removal and installation ..........
LT-149
Rear door ............................................ BL-153, GW-80
Rear seat ......................................................... SE-106
Rear suspension ............................................... RSU-5
Rear view monitor ............................................. DI-114
Rear washer .................................................... WW-38
Rear window defogger ...................................... GW-86
Rear wiper ....................................................... WW-38
Refrigerant connection precaution ..................... ATC-8
Refrigerant discharging evacuating charging ATC-138
Refrigerant general precaution .......................... ATC-7
Refrigerant lines ............................................ ATC-138
Refrigerant pressure sensor ........... EC-674, EC-1364,
ATC-90
, ATC-156
Refrigeration cycle ........................................... ATC-21
Removal and installation (A/T) ........... AT-270, AT-273
Removal and installation (Transfer) .................... TF-44
Revolution sensor (A/T) ...................... AT-118, AT-263
Rocker cover(VK45DE) ................................... EM-197
Rocker cover(VQ35DE) ..................................... EM-51
Room lamp - See Interior lamp ......................... LT-159
ROOM/L - Wiring diagram ................................ LT-167
RP/SEN - Wiring diagram ................ EC-675, EC-1365
S
Seal - See Exterior .............................................. EI-27
SEAT - Wiring diagram ...................................... SE-93
Seat belt inspection ............................................. SB-6
Seat belt, front ..................................................... SB-3
Seat, rear ......................................................... SE-106
Self-diagnosis (Transfer) .................................... TF-22
SEN/PW - Wiring diagram ............... EC-484, EC-1230
SHIFT - Wiring diagram ................................... AT-237
Shift change signal ........................................ EC-1290
Shift lock system .............................................. AT-236
Shift schedule .................................................. AT-351
Shock absorber (rear) ....................................... RSU-9
Side air bag (satellite) sensor .......................... SRS-43
Side curtain air bag .......................................... SRS-40
Side trim .............................................................. EI-36
SMJ (super multiple junction) ............................ PG-78
SNOW MODE SW ......................................... EC-1388
SNOWSW - Wiring diagram .......................... EC-1389
Spark plug replacement .................................... MA-27
Spark plug replacement(VQ35DE) ................... MA-20
Spark plug(VK45DE) ...................................... EM-190
Spark plug(VQ35DE) ........................................ EM-43
Specification value ............................. EC-153, EC-844
Speedometer ........................................................ DI-5
Spiral cable ..................................................... SRS-37
Spot lamp .......................................................... LT-187
SROOF - Wiring diagram ..................... BL-172, RF-14
SRS - See Supplemental Restraint System ..... SRS-5
SRS - Wiring diagram ..................................... SRS-11
SRS Trouble diagnoses .................................... SRS-7
Stabilizer bar (rear) ......................................... RSU-16
Stall test (A/T) .................................................... AT-52
Standardized relay ............................................. PG-80
START - Wiring diagram .................................... SC-11
Starter ................................................................ SC-10
Starting system .................................................. SC-10
Steering gear and linkage inspection ................ MA-36
Steering linkage ................................................. PS-19
Steering wheel and column ................... PS-10, PS-12
Steering wheel turning force .............................. PS-10
Step lamp .......................................................... LT-126
Stop lamp .......................................................... LT-118
Stop lamp switch .............................. EC-614, EC-1297
STOP/L - Wiring diagram .................................. LT-120
Sun roof, electric ................................................ RF-10
Sunload sensor ............................. ATC-110, ATC-119
Sunroof .................................................. RF-10, RF-25
Supplemental Restraint System ....................... SRS-5
Supplemental restraint system - Wiring diagram ..........
SRS-11
Suspension ....................................................... MA-37
Symbols and abbreviations ...................... GI-10, GI-23
T
Tachometer ........................................................... DI-5
TCM circuit diagram ........................................... AT-51
TCM inspection table ......................................... AT-89
Thermostat(VK45DE) ....................................... CO-53
Thermostat(VQ35DE) ....................................... CO-26
Three way catalyst function (Bank 1) EC-316, EC-1050
Three way catalyst function (Bank 2) EC-316, EC-1050
Three way catalyst precautions ............................ GI-6
Three way catalyst(VK45DE) .......................... EM-182
Three way catalyst(VQ35DE) ........................... EM-26
Throttle control motor ....................... EC-437, EC-1161
Throttle control motor relay .............. EC-432, EC-1156
Throttle position sensor (TPS) .......... EC-213, EC-278,
EC-479
, EC-481, EC-633, EC-920, EC-1015, EC-1225,
EC-1227
, EC-1316
Throttle valve closed position learning ............. EC-786
Tie-rod ............................................................... PS-19
Timing chain(VK45DE) ................................... EM-200
Timing chain(VQ35DE) ..................................... EM-64
Tire rotation ............................................. WT-6, MA-35
Top tether strap child restraint ........................... SB-10
Torque converter installation AT-271, AT-272, AT-276
LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
C
D E
F
G H
I
J
L
M
SECTION LAN
A
B
LAN
Revision: 2005 July 2005 FX
LAN SYSTEM
CAN
PRECAUTIONS .......................................................... 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 5
Precautions When Using CONSULT-II ................ ..... 5
CHECK POINTS FOR USING CONSULT-II .... ..... 5
Precautions For Trouble Diagnosis ..................... ..... 5
CAN SYSTEM .................................................. ..... 5
Precautions For Harness Repair ......................... ..... 6
CAN SYSTEM .................................................. ..... 6
TROUBLE DIAGNOSES WORK FLOW ............... ..... 7
When Displaying CAN Communication System
Errors .................................................................. ..... 7
WHEN A MALFUNCTION IS DETECTED BY
CAN COMMUNICATION SYSTEM .................. ..... 7
WHEN A MALFUNCTION IS DETECTED
EXCEPT CAN COMMUNICATION SYSTEM ... ..... 7
TROUBLE DIAGNOSIS FLOW CHART .......... ..... 8
Diagnosis Procedure ........................................... ..... 9
SELECTING CAN SYSTEM TYPE (HOW TO
USE SPECIFICATION TABLE) ........................ ..... 9
ACQUISITION OF DATA BY CONSULT-II ....... ... 10
HOW TO USE CHECK SHEET TABLE ........... .... 11
CAN Diagnostic Support Monitor ........................ ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ECM ............................ ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR TCM ............................ ... 19
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DISPLAY CONTROL
UNIT ................................................................. ... 20
DESCRIPTION OF “CAN DIAG MNTR” SCREEN
FOR DISPLAY UNIT ........................................ ... 21
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR AWD CONTROL UNIT ... 22
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ICC UNIT .................... ... 23
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR INTELLIGENT KEY UNIT
... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR BCM ............................ ... 25
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR LDW CAMERA UNIT ... ... 26
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR UNIFIED METER AND A/
C AMP. .............................................................. ... 27
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) ................ ... 28
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DRIVER SEAT CON-
TROL UNIT ...................................................... ... 28
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR IPDM E/R .................... ... 29
CAN COMMUNICATION ........................................ ... 30
System Description .............................................. ... 30
CAN Communication Unit .................................... ... 30
TYPE 1/TYPE 2/TYPE 9 .................................. ... 30
TYPE 3/TYPE 4 ................................................ ... 34
TYPE 5/TYPE 6/TYPE 10 ................................ ... 38
TYPE 7/TYPE 8 ................................................ ... 42
CAN SYSTEM (TYPE 1) ........................................ ... 47
Component Parts and Harness Connector Location ... 47
Schematic ............................................................ ... 48
Wiring Diagram - CAN - ....................................... ... 49
Check Sheet ........................................................ ... 52
CHECK SHEET RESULTS (EXAMPLE) .......... ... 54
Inspection Between TCM and Data Link Connector
Circuit .................................................................. ... 70
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... ... 71
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. ... 71
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit ... 72
ECM Circuit Inspection ........................................ ... 73
TCM Circuit Inspection ........................................ ... 73