AT-1
AUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
CONTENTS
D
E
F
G
H
I
J
K
L
M
SECTIONAT
A
B
AT
AUTOMATIC TRANSMISSION
INDEX FOR DTC ........................................................ 5
Alphabetical Index .................................................... 5
DTC No. Index ......................................................... 6
PRECAUTIONS .......................................................... 7
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 7
Precautions .............................................................. 7
Wiring Diagrams and Trouble Diagnosis .................. 8
PREPARATION ........................................................... 9
Special Service Tools ............................................... 9
Commercial Service Tools ...................................... 10
A/T FLUID ..................................................................11
Changing A/T Fluid ................................................. 11
Checking A/T Fluid ................................................. 12
A/T CONTROL SYSTEM .......................................... 14
Cross-Sectional View (2WD Models) ..................... 14
Cross-Sectional View (4WD Models) ..................... 15
Shift Mechanism ..................................................... 16
TCM Function ......................................................... 27
CAN Communication .............................................. 28
Input/Output Signal of TCM .................................... 28
Line Pressure Control ............................................ 29
Shift Control ........................................................... 30
Lock-up Control ...................................................... 31
Engine Brake Control ............................................. 32
Control Valve .......................................................... 33
TROUBLE DIAGNOSIS ............................................ 34
DTC Inspection Priority Chart ................................ 34
Fail-safe ................................................................. 34
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ..................................................... 36
A/T Electrical Parts Location .................................. 41
Circuit Diagram ...................................................... 42
Inspections Before Trouble Diagnosis .................... 43
Check Before Engine Is Started ............................. 46
Check at Idle .......................................................... 47
Cruise Test - Part 1 ................................................ 48
Cruise Test - Part 2 ................................................ 50
Cruise Test - Part 3 ................................................ 51Vehicle Speed at Which Gear Shifting Occurs ....... 52
Vehicle Speed at Which Lock-up Occurs/Releases... 52
Symptom Chart ....................................................... 53
TCM Input/Output Signal Reference Values ........... 76
CONSULT-II Function (A/T) .................................... 77
Diagnostic Procedure Without CONSULT-II ........... 89
DTC U1000 CAN COMMUNICATION LINE .............. 91
Description .............................................................. 91
On Board Diagnosis Logic ...................................... 91
Possible Cause ....................................................... 91
DTC Confirmation Procedure ................................. 91
Wiring Diagram — AT — CAN ................................ 92
Diagnostic Procedure ............................................. 93
DTC P0615 START SIGNAL CIRCUIT ..................... 94
Description .............................................................. 94
CONSULT-II Reference Value ................................ 94
On Board Diagnosis Logic ...................................... 94
Possible Cause ....................................................... 94
DTC Confirmation Procedure ................................. 94
Wiring Diagram — AT — STSIG ............................ 95
Diagnostic Procedure ............................................. 96
DTC P0700 TCM ....................................................... 98
Description .............................................................. 98
On Board Diagnosis Logic ...................................... 98
Possible Cause ....................................................... 98
DTC Confirmation Procedure ................................. 98
Diagnostic Procedure ............................................. 98
DTC P0705 PARK/NEUTRAL POSITION SWITCH... 99
Description .............................................................. 99
CONSULT-II Reference Value ................................ 99
On Board Diagnosis Logic ...................................... 99
Possible Cause ....................................................... 99
DTC Confirmation Procedure ................................. 99
Wiring Diagram — AT — PNP/SW .......................100
Diagnostic Procedure ...........................................101
DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) ...............................................103
Description ............................................................103
CONSULT-II Reference Value ..............................103
On Board Diagnosis Logic ....................................103
ATC-1
AUTOMATIC AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
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D
E
F
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L
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SECTIONAT C
A
B
AT C
AUTOMATIC AIR CONDITIONER
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 4
Precautions for Working with HFC-134a (R-134a)..... 4
Contaminated Refrigerant ........................................ 4
General Refrigerant Precautions .............................. 5
Precautions for Refrigerant Connection ................... 5
ABOUT ONE-TOUCH JOINT ................................ 5
FEATURES OF NEW TYPE REFRIGERANT
CONNECTION ...................................................... 7
O-RING AND REFRIGERANT CONNECTION..... 9
Precautions for Servicing Compressor ................... 12
Precautions for Service Equipment ........................ 12
RECOVERY/RECYCLING EQUIPMENT ............ 12
ELECTRONIC LEAK DETECTOR ...................... 12
VACUUM PUMP ................................................. 13
MANIFOLD GAUGE SET .................................... 13
SERVICE HOSES ............................................... 13
SERVICE COUPLERS ........................................ 14
REFRIGERANT WEIGHT SCALE ...................... 14
CALIBRATING ACR4 WEIGHT SCALE .............. 14
CHARGING CYLINDER ...................................... 14
Precautions for Leak Detection Dye ....................... 14
IDENTIFICATION ................................................ 15
IDENTIFICATION LABEL FOR VEHICLE ........... 15
Wiring Diagrams and Trouble Diagnosis ................ 15
PREPARATION ......................................................... 16
Special Service Tools ............................................. 16
HFC-134a (R-134a) Service Tools and Equipment... 16
Commercial Service Tools ...................................... 19
REFRIGERATION SYSTEM ..................................... 20
Refrigerant Cycle ................................................... 20
REFRIGERANT FLOW ....................................... 20
FREEZE PROTECTION ..................................... 20
Refrigerant System Protection ............................... 20
REFRIGERANT PRESSURE SENSOR ............. 20
PRESSURE RELIEF VALVE ............................... 21
Components ........................................................... 22
REFRIGERATION SYSTEM ............................... 22LUBRICANT .............................................................. 24
Maintenance of Lubricant Quantity in Compressor... 24
LUBRICANT ........................................................ 24
CHECKING AND ADJUSTING ............................ 24
AIR CONDITIONER CONTROL ............................... 26
Description .............................................................. 26
Operation ................................................................ 26
AIR MIX DOORS CONTROL .............................. 26
BLOWER SPEED CONTROL ............................. 26
INTAKE DOOR CONTROL ................................. 26
MODE DOOR CONTROL ................................... 26
DEFROSTER DOOR CONTROL ........................ 26
MAGNET CLUTCH CONTROL ........................... 27
SELF-DIAGNOSTIC SYSTEM ............................ 27
Description of Control System ................................ 28
Control Operation ................................................... 28
DISPLAY SCREEN .............................................. 29
AUTO SWITCH ................................................... 29
TEMPERATURE CONTROL DIAL (TEMPERA-
TURE CONTROL) (DRIVER SIDE) ..................... 29
TEMPERATURE CONTROL DIAL (TEMPERA-
TURE CONTROL) (PASSENGER SIDE) ............ 29
TEMPERATURE CONTROL DIAL (TEMPERA-
TURE AND MODE CONTROL) (REAR) ............. 29
RECIRCULATION (REC) SWITCH ..................... 29
DEFROSTER (DEF) SWITCH ............................. 29
REAR WINDOW DEFOGGER SWITCH ............. 29
OFF SWITCH ...................................................... 29
A/C SWITCH ....................................................... 29
MODE SWITCH (FRONT) ................................... 29
FRONT BLOWER CONTROL DIAL .................... 29
MODE SWITCH (REAR) ..................................... 29
Discharge Air Flow ................................................. 30
FRONT ................................................................ 30
System Description ................................................. 31
SWITCHES AND THEIR CONTROL FUNCTION... 31
CAN Communication System Description .............. 32
TROUBLE DIAGNOSIS ............................................ 33
CONSULT-II Function (BCM) ................................. 33
CONSULT-II BASIC OPERATION ....................... 33
AV-1
AUDIO-VISUAL SYSTEM
K ELECTRICAL
CONTENTS
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SECTIONAV
A
B
AV
AUDIO-VISUAL SYSTEM
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 3
Wiring Diagrams and Trouble Diagnosis .................. 3
SYSTEM DESCRIPTION ............................................ 4
System Functions ..................................................... 4
AUDIO ................................................................... 4
NATS AUDIO LINK (WITHOUT NAVIGATION
SYSTEM) .............................................................. 4
VEHICLE INFORMATION SYSTEM ..................... 5
NAVIGATION SYSTEM ......................................... 5
HANDS-FREE PHONE ......................................... 7
Component Description ............................................ 8
AUDIO UNIT ......................................................... 8
NAVI CONTROL UNIT .......................................... 8
GPS ANTENNA .................................................... 9
DISPLAY UNIT ...................................................... 9
AV SWITCH .......................................................... 9
Component Parts Location ..................................... 10
Location Of Antenna .............................................. 10
Schematic — AUDIO — / With 1CD Player Type... 12
Wiring Diagram — AUDIO — / With 1CD Player Type
... 13
Schematic — AUDIO — / With 6CD Player Type... 16
Wiring Diagram — AUDIO — / With 6CD Player Type
... 17
Schematic — NAVI — ............................................ 20
Wiring Diagram — NAVI — .................................... 21
Schematic — NAVI — / COMM .............................. 28
Wiring Diagram — NAVI — / COMM ...................... 29
Wiring Diagram — TELEPHONE (PRE WIRE) —
/ Without NAVI ........................................................ 32
CAN Communication .............................................. 33
SYSTEM DESCRIPTION .................................... 33
TERMINALS AND REFERENCE VALUE FOR CON-
TROL UNIT ............................................................... 34
Audio Unit (1CD Player Type) ................................ 34
Audio Unit (6CD Player Type) Without NAVI .......... 35Audio Unit (With NAVI) ........................................... 37
NAVI Control Unit ................................................... 38
Display Unit ............................................................ 41
DIAGNOSIS SYSTEM ............................................... 44
Navigation System Diagnosis Function .................. 44
On Bord Self-Diagnosis Function ........................... 44
DESCRIPTION .................................................... 44
DIAGNOSIS ITEM ............................................... 44
OPERATION PROCEDURE ................................ 45
Self Diagnosis Mode ............................................... 46
ERROR DETECTION RANGE OF SELF-DIAG-
NOSIS MODE ..................................................... 47
DIAGNOSIS RESULTS ....................................... 47
Confirmation/Adjustment Mode .............................. 48
SCREEN TROUBLE DIAGNOSIS ...................... 49
VEHICLE SIGNALS ............................................ 49
SPEAKER TEST ................................................. 50
NAVIGATION ....................................................... 50
ERROR HISTORY ............................................... 51
VEHICLE CAN DIAGNOSIS ............................... 53
AV COMM DIAGNOSIS ....................................... 54
HANDSFREE PHONE ........................................ 54
BLUETOOTH ....................................................... 54
DELETE UNIT CONNECTION LOG ................... 55
CONSULT-II Functions ........................................... 56
CONSULT-II FUNCTIONS ................................... 56
CONSULT-II BASIC OPERATION PROCEDURE
... 56
SELF-DIAG RESULTS ........................................ 56
DATA MONITOR ................................................. 58
AV COMM MONITOR .......................................... 59
ECU PART NUMBER .......................................... 60
TROUBLE DIAGNOSIS ............................................ 61
Navigation System .................................................. 61
RGB Image ............................................................. 61
Voice Activated Control System ............................. 62
Steering Wheel Switch ............................................ 63
Component Parts Inspection .................................. 63
STEERING WHEEL SWITCH UNIT INSPEC-
BCS-1
BODY CONTROL SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
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SECTIONBCS
A
B
BCS
BODY CONTROL SYSTEM
PRECAUTIONS .......................................................... 2
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 2
BCM (BODY CONTROL MODULE) ........................... 3
System Description .................................................. 3
BCM FUNCTION ................................................... 3
COMBINATION SWITCH READING FUNCTION..... 3
CAN COMMUNICATION CONTROL .................... 6
BCM STATUS CONTROL ..................................... 7
SYSTEMS CONTROLLED BY BCM DIRECTLY..... 8
SYSTEMS CONTROLLED BY BCM AND IPDM
E/R ........................................................................ 8
SYSTEMS CONTROLLED BY BCM AND COM-
BINATION METER ................................................ 8
MAJOR COMPONENTS AND CONTROL SYS-TEM ....................................................................... 9
CAN Communication System Description ................ 9
Schematic ............................................................... 10
LHD MODELS ..................................................... 10
RHD MODELS .................................................... 12
CONSULT-II Function (BCM) ................................. 14
CONSULT–II INSPECTION PROCEDURE ......... 14
ITEMS OF EACH PART ...................................... 15
WORK SUPPORT ............................................... 15
CAN Communication Inspection Using CONSULT-
II (Self-Diagnosis) ................................................... 16
Configuration .......................................................... 17
Removal and Installation of BCM ........................... 17
REMOVAL ........................................................... 17
INSTALLATION ................................................... 17
BL-1
BODY, LOCK & SECURITY SYSTEM
IBODY
CONTENTS
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D
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SECTIONBL
A
B
BL
BODY, LOCK & SECURITY SYSTEM
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 4
Precautions for procedures with out cowl top cover..... 4
Precautions for Work ................................................ 4
Wiring Diagrams and Trouble Diagnosis .................. 4
PREPARATION ........................................................... 5
Commercial Service Tools ........................................ 5
SQUEAK AND RATTLE TROUBLE DIAGNOSES..... 6
Work Flow ................................................................ 6
CUSTOMER INTERVIEW ..................................... 6
DUPLICATE THE NOISE AND TEST DRIVE ....... 7
CHECK RELATED SERVICE BULLETINS ........... 7
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE ...................................................... 7
REPAIR THE CAUSE ........................................... 7
CONFIRM THE REPAIR ....................................... 8
Generic Squeak and Rattle Troubleshooting ........... 8
INSTRUMENT PANEL .......................................... 8
CENTER CONSOLE ............................................. 8
DOORS ................................................................. 8
TRUNK .................................................................. 9
SUNROOF/HEADLINING ..................................... 9
SEATS ................................................................... 9
UNDERHOOD ....................................................... 9
Diagnostic Worksheet ............................................ 10
HOOD ....................................................................... 12
Fitting Adjustment .................................................. 12
LONGITUDINAL AND LATERAL CLEARANCE
ADJUSTMENT .................................................... 13
FRONT END HEIGHT ADJUSTMENT ............... 13
SURFACE HEIGHT ADJUSTMENT ................... 13
Removal and Installation of Hood Assembly .......... 14
REMOVAL ........................................................... 14
INSTALLATION ................................................... 14
Removal and Installation of Hood Hinge ................ 15
REMOVAL ........................................................... 15
INSTALLATION ................................................... 15
Removal and Installation of Hood Lock Control ..... 15REMOVAL ........................................................... 15
INSTALLATION ................................................... 16
Hood Lock Control Inspection ................................ 17
RADIATOR CORE SUPPORT .................................. 18
Removal and Installation ........................................ 18
REMOVAL ........................................................... 18
INSTALLATION ................................................... 19
FRONT FENDER ...................................................... 20
Removal and Installation ........................................ 20
REMOVAL ........................................................... 20
INSTALLATION ................................................... 20
POWER DOOR LOCK SYSTEM .............................. 21
Component Parts and Harness Connector Location... 21
KING CAB ........................................................... 21
DOUBLE CAB ..................................................... 22
System Description ................................................. 23
OUTLINE ............................................................. 24
CAN Communication System Description .............. 25
CAN Communication Unit ....................................... 25
Schematic ............................................................... 26
Wiring Diagram —D/LOCK— ................................. 27
Terminals and Reference Value for BCM ............... 34
CONSULT-II Function (BCM) ................................. 35
CONSULT-II BASIC OPERATION PROCEDURE
... 35
CONSULT-II APPLICATION ITEMS .................... 36
Work Flow ............................................................... 37
Trouble Diagnoses Chart by Symptom ................... 37
Check Power Supply and Ground Circuit ............... 37
Check Door Switch ................................................. 39
CHECK DOOR SWITCH (DOUBLE CAB) .......... 39
CHECK DOOR SWITCH (KING CAB) ................ 41
Check Key Switch ................................................... 43
Check Door Key Cylinder Switch (LHD Model Only)... 45
Check Front Door Lock Actuator (Driver Side) ....... 48
Check Front Door Lock Actuator (Passenger Side)... 49
Check Front Door Lock Actuator Switch ................. 50
Check Rear Door Lock Actuator LH (Double Cab
Model) ..................................................................... 50
Check Rear Door Lock Actuator RH (Double Cab
BR-1
BRAKE SYSTEM
F BRAKES
CONTENTS
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SECTIONBR
A
B
BR
BRAKE SYSTEM
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 3
Precautions for Brake System .................................. 3
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
Commercial Service Tools ........................................ 4
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ................................................ 5
NVH Troubleshooting Chart ..................................... 5
BRAKE PEDAL .......................................................... 6
Inspection and Adjustment ....................................... 6
ADJUSTMENT ...................................................... 7
Removal and Installation .......................................... 8
COMPONENTS .................................................... 8
REMOVAL ............................................................. 8
INSPECTION AFTER REMOVAL ......................... 9
INSTALLATION ..................................................... 9
BRAKE FLUID .......................................................... 10
On-board Inspection ............................................... 10
CHECKING BRAKE FLUID LEVEL .................... 10
Drain and Refill ....................................................... 10
Bleeding Brake System ........................................... 11
LHD MODEL ........................................................ 11
RHD MODEL ........................................................ 11
BRAKE TUBE AND HOSE ....................................... 12
Hydraulic Circuit ..................................................... 12
Removal and Installation of Front Brake Tube and
Brake Hose ............................................................ 13
REMOVAL ........................................................... 13
INSTALLATION ................................................... 13
Removal and Installation of Rear Brake Tube and
Brake Hose ............................................................ 13
REMOVAL ........................................................... 13
INSTALLATION ................................................... 13
Inspection after Installation .................................... 14
LOAD SENSING VALVE .......................................... 15
Removal and Installation ........................................ 15
REMOVAL ........................................................... 15INSTALLATION ................................................... 15
Inspection ............................................................... 16
INSPECTION ...................................................... 16
BRAKE MASTER CYLINDER .................................. 17
On-Board Inspection ............................................... 17
LEAK INSPECTION ............................................ 17
Removal and Installation ........................................ 17
REMOVAL ........................................................... 17
INSTALLATION ................................................... 17
Components ........................................................... 17
Disassembly and Assembly .................................... 18
DISASSEMBLY ................................................... 18
ASSEMBLY ......................................................... 18
BRAKE BOOSTER ................................................... 19
On-Vehicle Service ................................................. 19
OPERATING CHECK .......................................... 19
AIRTIGHT CHECK .............................................. 19
Removal and Installation ........................................ 20
COMPONENTS ................................................... 20
REMOVAL ........................................................... 20
INSPECTION AFTER REMOVAL ....................... 20
INSTALLATION ................................................... 21
VACUUM LINES ....................................................... 22
Component ............................................................. 22
Removal and Installation ........................................ 23
Inspection ............................................................... 23
VISUAL INSPECTION ......................................... 23
CHECK VALVE INSPECTION ............................. 23
FRONT DISC BRAKE ............................................... 24
On-Board Inspection ............................................... 24
PAD WEAR INSPECTION ................................... 24
Components ........................................................... 24
Removal and Installation of Brake Pad .................. 25
REMOVAL ........................................................... 25
INSTALLATION ................................................... 25
Removal and Installation of Brake Caliper Assembly
... 26
REMOVAL ........................................................... 26
INSTALLATION ................................................... 26
Disassembly and Assembly of Brake Caliper
BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTIONBRC
A
B
BRC
BRAKE CONTROL SYSTEM
ABS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 3
Precautions for Brake System .................................. 3
Precautions for Brake Control .................................. 3
PREPARATION ........................................................... 4
Special Service Tools (SST) ..................................... 4
SYSTEM DESCRIPTION ............................................ 5
System Diagram ....................................................... 5
Functions .................................................................. 5
Operation That Is Not “System Error” ...................... 5
Fail-Safe Function .................................................... 5
ABS, EBD SYSTEM .............................................. 5
Hydraulic Circuit Diagram ........................................ 6
CAN COMMUNICATION ............................................ 7
System Description .................................................. 7
TROUBLE DIAGNOSIS .............................................. 8
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ....................................................... 8
INTRODUCTION ................................................... 8
DIAGNOSIS FLOWCHART .................................. 9
ASKING COMPLAINTS ...................................... 10
EXAMPLE OF DIAGNOSIS SHEET ................... 10
Component Parts Location ...................................... 11
Schematic — ABS — ............................................. 12
Wiring Diagram — ABS — ..................................... 13
CONSULT- II Functions .......................................... 17
CONSULT-II MAIN FUNCTION ........................... 17
CONSULT-II BASIC OPERATION PROCEDURE
... 17
Self-Diagnosis ........................................................ 18
OPERATION PROCEDURE ............................... 18
ERASE MEMORY ............................................... 18
DISPLAY ITEM LIST ........................................... 18
Data Monitor ........................................................... 20
OPERATION PROCEDURE ............................... 20
DISPLAY ITEM LIST ........................................... 20Active Test .............................................................. 21
OPERATION PROCEDURE ................................ 21
SOLENOID VALVE .............................................. 22
ABS MOTOR ....................................................... 22
For Fast and Accurate Diagnosis ........................... 23
PRECAUTIONS FOR DIAGNOSIS ..................... 23
Basic Inspection ..................................................... 23
BASIC INSPECTION 1 BRAKE FLUID LEVEL,
LEAKS, AND BRAKE PADS ................................ 23
BASIC INSPECTION 2 POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION .................................................................... 23
BASIC INSPECTION 3 ABS WARNING LAMP
AND BRAKE WARNING LAMP INSPECTION .... 24
Inspection 1 Wheel Sensor System ........................ 24
Inspection 2 ABS Actuator and Electric Unit (Control
Unit) ........................................................................ 26
Inspection 3 ABS Actuator Relay or ABS Motor
Relay Circuit ........................................................... 26
Inspection 4 CAN Communication Circuit .............. 28
Inspection 5 ABS Actuator and Electric Unit (Control
Unit) Power Supply and Ground Circuit .................. 28
Inspection 6 Brake Fluid Level Switch Circuit ......... 30
Inspection 7 Parking Brake Switch Circuit .............. 32
Inspection 8 Warning lamp system ......................... 33
Symptom 1: Excessive ABS Function Operation
Frequency ............................................................... 33
Symptom 2: Unexpected Pedal Reaction ............... 34
Symptom 3: The Stopping Distance Is Long .......... 34
Symptom 4: ABS Function Does Not Operate ....... 35
Symptom 5: Pedal Vibration or ABS Operation
Sound Occurs ......................................................... 35
Symptom 6: ABS Warning Lamp Indication Is Not
Normal .................................................................... 35
WHEEL SENSORS ................................................... 37
Removal and Installation ........................................ 37
REMOVAL ........................................................... 38
INSTALLATION ................................................... 38
DI-1
DRIVER INFORMATION SYSTEM
K ELECTRICAL
CONTENTS
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SECTIONDI
A
B
DI
DRIVER INFORMATION SYSTEM
PRECAUTION ............................................................ 3
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 3
Wiring Diagrams and Trouble Diagnosis .................. 3
COMBINATION METERS ........................................... 4
System Description .................................................. 4
UNIFIED METER CONTROL UNIT ...................... 4
POWER SUPPLY AND GROUND CIRCUIT ........ 4
SPEEDOMETER ................................................... 4
TACHOMETER ..................................................... 4
WATER TEMPERATURE GAUGE ........................ 4
FUEL GAUGE ....................................................... 5
ODO/TRIP METER ............................................... 5
TRIP COMPUTER ................................................ 5
ENGINE OIL MAINTENANCE INFORMATION..... 6
METER ILLUMINATION CONTROL ..................... 6
CLOCK .................................................................. 6
AMBIENT AIR TEMPERATURE INDICATION ...... 6
Component Parts and Harness Connector Location..... 7
Arrangement of Combination Meter ......................... 8
Internal Circuit .......................................................... 9
Wiring Diagram — METER — ................................ 10
Terminals and Reference Value for Combination
Meter ...................................................................... 12
Self-Diagnosis Mode of Combination Meter ........... 13
FUNCTION .......................................................... 13
OPERATION PROCEDURE ............................... 13
TEST ITEM ......................................................... 13
CONSULT-II Function (METER) ............................. 15
CONSULT-II BASIC OPERATION ....................... 15
SELF-DIAG RESULTS ........................................ 16
DATA MONITOR ................................................. 17
Trouble Diagnosis .................................................. 18
HOW TO PERFORM TROUBLE DIAGNOSIS ... 18
PRELIMINARY CHECK ...................................... 19
Symptom Chart ...................................................... 19
Power Supply and Ground Circuit Inspection ........ 19
Vehicle Speed Signal Inspection ............................ 20
Engine Speed Signal Inspection ............................ 21Engine Coolant Temperature Signal Inspection ..... 21
Fuel Level Sensor Signal Inspection ...................... 22
Ambient Sensor Signal Inspection .......................... 24
Fuel Gauge Fluctuates, Indicates Wrong Value, or
Varies ...................................................................... 25
Fuel Gauge Does Not Move to Full position ........... 25
DTC [U1000] CAN Communication Circuit ............. 26
DTC [B2205] Vehicle Speed Circuit ........................ 26
Electrical Components Inspection .......................... 27
FUEL LEVEL SENSOR UNIT CHECK ................ 27
AMBIENT SENSOR CHECK ............................... 27
Removal and Installation of Combination Meter ..... 27
WARNING LAMPS .................................................... 28
System Description ................................................. 28
OIL PRESSURE WARNING LAMP ..................... 28
Component Parts and Harness Connector Location... 28
Schematic ............................................................... 29
Wiring Diagram — WARN — .................................. 30
A/T MODELS ....................................................... 30
M/T MODELS ...................................................... 37
Oil Pressure Warning Lamp Stays Off (Ignition
Switch ON) ............................................................. 44
Oil Pressure Warning Lamp Does Not Turn Off (Oil
Pressure Is Normal) ................................................ 45
Oil Pressure Warning Lamp Keeps Blinking (Oil
Level Is Normal) ..................................................... 46
Component Inspection ............................................ 47
OIL PRESSURE SWITCH ................................... 47
OIL LEVEL SENSOR .......................................... 47
A/T INDICATOR ........................................................ 48
System Description ................................................. 48
Wiring Diagram — AT/IND — ................................. 49
A/T Indicator Does Not Illuminate ........................... 50
WARNING CHIME ..................................................... 51
System Description ................................................. 51
POWER SUPPLY AND GROUND CIRCUIT ....... 51
LIGHT WARNING CHIME ................................... 51
KEY REMINDER WARNING CHIME .................. 51
LOW-FUEL WARNING CHIME ........................... 51
SEAT BELT WARNING CHIME ........................... 52