2003 NISSAN TEANA Afs

GI-46
TERMINOLOGY

Exhaust gas recirculation control-BPT
valveEGRC-BPT valve BPT valve
Exhaust gas recirculation control-solenoid
valveEGRC-solenoid valve EGR control solenoid valve
Exhaust gas recirculation temperature sen-
sor
EGRT sensor Exhaust gas temperature sensor
EGR temperature sensor
Flash electrically erasable programmable
read only memoryFEEPROM ***
Flash erasable programmable read only
memoryFEPROM ***
Flexible fuel sensor FFS ***
Flexible fuel system FF system ***
Fuel pressure regulator *** Pressure regulator
Fuel pressure regulator control solenoid
valve*** PRVR control solenoid valve
Fuel trim FT ***
Heated Oxygen sensor HO2S Exhaust gas sensor
Idle air control system IAC system Idle speed control
Idle air control valve-air regulator IACV-air regulator Air regulator
Idle air control valve-auxiliary air control
valveIACV-AAC valve Auxiliary air control (AAC) valve
Idle air control valve-FICD solenoid valve IACV-FICD solenoid valve FICD solenoid valve
Idle air control valve-idle up control sole-
noid valveIACV-idle up control solenoid valve Idle up control solenoid valve
Idle speed control-FI pot ISC-FI pot FI pot
Idle speed control system ISC system ***
Ignition control IC ***
Ignition control module ICM ***
Indirect fuel injection system IFI system ***
Intake air IA Air
Intake air temperature sensor IAT sensor Air temperature sensor
Knock *** Detonation
Knock sensor KS Detonation sensor
Malfunction indicator lamp MIL Check engine light
Manifold absolute pressure MAP ***
Manifold absolute pressure sensor MAPS ***
Manifold differential pressure MDP ***
Manifold differential pressure sensor MDPS ***
Manifold surface temperature MST ***
Manifold surface temperature sensor MSTS ***
Manifold vacuum zone MVZ ***
Manifold vacuum zone sensor MVZS ***
Mass air flow sensor MAFS Air flow meter
Mixture control solenoid valve MC solenoid valve Air-fuel ratio control solenoid valve
Multiport fuel injection System MFI system Fuel injection controlNEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM

GI-48
TERMINOLOGY

***: Not applicableTransmission control module TCM A/T control unit
Turbocharger TC Turbocharger
Vehicle speed sensor VSS Vehicle speed sensor
Volume air flow sensor VAFS Air flow meter
Warm up oxidation catalyst WU-OC Catalyst
Warm up oxidation catalytic converter sys-
temWU-OC system ***
Warm up three way catalyst WU-TWC Catalyst
Warm up three way catalytic converter sys-
temWU-TWC system ***
Wide open throttle position switch WOTP switch Full switchNEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM

IDX-2
ALPHABETICAL INDEX
Numerics
3rd position switch ............................. AT-161
, AT-210
A
A/C air flow ...................................................... ATC-31
A/C component layout ..................................... ATC-20
A/C compressor clutch removal and installation ...........
ATC-136
A/C compressor mounting ............................. ATC-134
A/C compressor precaution ............................. ATC-11
A/C compressor special service tool ................ ATC-15
A/C control operation (auto A/C) ...................... ATC-29
A/C diagnostic work flow (auto A/C) ................ ATC-94
A/C evaporator ............................................... ATC-144
A/C HFC134a (R134a) system precaution ........ ATC-5
A/C HFC134a (R134a) system service procedure .......
ATC-131
A/C HFC134a (R134a) system service tools ... ATC-16
A/C HFC134a system service equipment precaution ...
ATC-12
A/C lubricant (R134a) ...................................... ATC-21
A/C lubrication oil ........................................... ATC-150
A/C operational check ...................................... ATC-54
A/C self-diagnoses (auto A/C) .......... ATC-46, ATC-94
A/C service data specification ........................ ATC-150
A/C system description (auto A/C) ................... ATC-24
A/C, A - Wiring diagram ................................... ATC-39
A/T fluid checking .................................. AT-14, MA-35
A/T fluid replacement ............................. AT-15, MA-36
A/T IND - Wiring diagram .................................... DI-48
A/T shift control system ................................... AT-213
A/T shift lock system ........................................ AT-216
A/T shift lock system - Wiring diagram ............ AT-217
A/T trouble diagnoses ........................................ AT-34
Accelerator control system ............................... ACC-3
Accelerator pedal position (APP) sensor ........ EC-251,
EC-258
, EC-272, EC-631, EC-638, EC-652
Accelerator pedal released position learning .... EC-47,
EC-389
AFS ..................................................................... LT-75
AFS - Wiring diagram ......................................... LT-79
Air bag .............................................................. SRS-3
Air bag disposal .............................................. SRS-48
Air bag precautions ........................................... SRS-3
Air cleaner and air duct(QR20DE) .................... EM-17
Air cleaner and air duct(VQ23DE and VQ35DE) ..........
EM-131
Air cleaner filter replacement(QR20DE) ........... MA-20
Air cleaner filter replacement(VQ23DE and VQ35DE) .
MA-30
Air cleaner filter(QR20DE) ................................ EM-17
Air cleaner filter(VQ23DE and VQ35DE) ........ EM-132
Air conditioner cut control .................... EC-25, EC-362
Air flow meter - See Mass air flow sensor ...... EC-124,
EC-466
Air mix. door motor ......................... ATC-66, ATC-124
Ambient sensor ............................... ATC-96, ATC-109
Angular tightening application(QR20DE) ............ EM-6
Angular tightening application(VQ23DE and VQ35DE)
EM-120
Antenna ............................................................. AV-38
APPS1 - Wiring diagram ................... EC-253, EC-633
APPS2 - Wiring diagram ................... EC-260, EC-640
APPS3 - Wiring diagram ................... EC-274, EC-654
ASC/BS - Wiring diagram ................................ EC-605
ASC/SW - Wiring diagram ............................... EC-597
ASCBOF - Wiring diagram ............................... EC-661
ASCD ............................................................... EC-363
ASCD (automatic speed control device) ........... ACS-2
ASCD brake switch ........................... EC-602, EC-660
ASCD indicator lamp ....................................... EC-667
ASCD steering switch ...................................... EC-595
ASCIND - Wiring diagram ................................ EC-668
AT indicator lamp ................................................ DI-48
Audio ........................................................ AV-4, AV-18
AUDIO - Wiring diagram .......................... AV-7, AV-21
Auto air conditioner - Wiring diagram ............. ATC-39
Auto amp ...................................................... ATC-108
Auto anti-dazzling inside mirror ....................... GW-80
Automatic amplifier ........... ATC-44, ATC-56, ATC-108
AV communication line .......................... AV-49, AV-73
Axle ................................................................... MA-42
B
BA/FTS - Wiring diagram ................................. AT-111
BACK/L - Wiring diagram ................................. LT-193
Back-up lamp ................................................... LT-193
Basic inspection .................................. EC-40, EC-381
Battery ................................................................. SC-4
BCM (Body control module) .............................. BCS-3
Blower motor ................................... ATC-72, ATC-115
Blower unit .................................................... ATC-113
Boring/horning cylinder block(QR20DE) ......... EM-104
Boring/horning cylinder block(VQ23DE and VQ35DE) .
EM-250
Brake fluid level ................................................ MA-40
Brake hydraulic line ........................................... BR-11
Brake inspection ............................................... MA-41
Brake lines and cables inspection .................... MA-40
Brake pedal .......................................................... BR-6
Brake switch ......... EC-245, EC-602, EC-626, EC-660
BRK/SW - Wiring diagram ................ EC-247, EC-627
Bulb specifications ........................................... LT-261
Bumper, front ...................................................... EI-14
Bumper, rear ....................................................... EI-17
C
Camshaft inspection(QR20DE) ........................ EM-44
Camshaft inspection(VQ23DE and VQ35DE) EM-194
Camshaft position sensor (PHASE) .. EC-176, EC-524
Camshaft(QR20DE) .......................................... EM-41
Camshaft(VQ23DE and VQ35DE) .................. EM-192
CAN - Wiring diagram ......... EC-114, EC-459, AT-134,
CVT-54

IDX-5
A
C
D
E
F
G
H
I
J
K
L B
IDX
ALPHABETICAL INDEX
Heated oxygen sensor 1 (bank 2) .... EC-486, EC-496,
EC-696
Heated oxygen sensor 1 heater ...................... EC-308
Heated oxygen sensor 1 heater (bank 1) ........ EC-706
Heated oxygen sensor 1 heater (bank 2) ........ EC-706
Heated oxygen sensor 2 .................................. EC-313
Heated oxygen sensor 2 (bank 1) ..... EC-714, EC-723
Heated oxygen sensor 2 (bank 2) ..... EC-714, EC-723
Heated oxygen sensor 2 heater ...................... EC-319
Heated seat ....................................................... SE-61
Heater and cooling unit (Heater core) ........... ATC-119
HFC134a (R134a) system precaution ............... ATC-5
HFC134a (R134a) system service procedure ATC-131
HFC134a (R134a) system service tools .......... ATC-16
HFC134a system service equipment precaution ..........
ATC-12
HLC - Wiring diagram ...................................... WW-43
HO2S1 - Wiring diaram ..................... EC-145, EC-152
Horn ................................................................. WW-62
HORN - Wiring diagram ................................... WW-62
How to erase DTC for OBD system ..... EC-35, EC-376
HSEAT - Wiring diagram ................................... SE-70
I
IATSEN - Wiring diagram .................. EC-325
, EC-731
Idle air volume learning ....................... EC-47, EC-389
Idle speed .............................. EC-40, EC-381, EC-387
Ignition coil ......................................... EC-329, EC-735
Ignition coil(QR20DE) ........................................ EM-31
Ignition coil(VQ23DE and VQ35DE) ................ EM-152
Ignition control system ....................... EC-329, EC-735
Ignition timing ........................ EC-40, EC-381, EC-387
IGNSYS - Wiring diagram .................. EC-330, EC-736
In vehicle sensor ............................. ATC-99, ATC-110
INF/D - Wring diagram ........................... AV-43, AV-65
INJECT - Wiring diagram ................... EC-290, EC-685
Injector ............................................... EC-289, EC-684
Input/Output signal of TCM .............................. CVT-19
Instrument panel .................................................. IP-10
INT/L - Wiring diagram ..................................... LT-217
Intake air temperature sensor ............ EC-324, EC-730
Intake door control linkage adjustment ............ ATC-71
Intake door motor ........................... ATC-69, ATC-117
Intake manifold collector(VQ23DE and VQ35DE) ........
EM-133
Intake manifold(QR20DE) ................................. EM-19
Intake manifold(VQ23DE and VQ35DE) ......... EM-138
Intake sensor ................................ ATC-105, ATC-112
Intake valve timing control ............................... EC-116
Intake valve timing control (Bank 1) ................ EC-461
Intake valve timing control (Bank 2) ................ EC-461
Intake valve timing control solenoid valve (Bank 1) ......
EC-545
Intake valve timing control solenoid valve (Bank 2) ......
EC-545
Interior ................................................................. EI-38
Interior lamp ........................................ LT-217, LT-219
IPDM (Intelligent power distribution module engine room) ................................................................. PG-17
IVC - Wiring diagram ....................................... EC-119
IVCB1 - Wiring diagram ................................... EC-546
IVCB2 - Wiring diagram ................................... EC-548
K
Knock sensor (KS) ............................. EC-164
, EC-512
KS - Wiring diagram ........................... EC-165, EC-513
L
L/USSV - Wiring diagram ............................... CVT-148
LAN system circuit ........................................... ATC-59
LCD display ....................................................... AV-61
Line pressure and secondary pressure control CVT-20
Line pressure solenoid valve .......... CVT-97, CVT-102
Line pressure test (A/T) ..................................... AT-46
Liquid gasket application(QR20DE) ........... EM-6, LU-3
Liquid gasket application(VQ23DE and VQ35DE) ........
EM-120
, LU-15, CO-3, CO-27
Location of electrical units ................................. PG-67
Lock-up and select control ............................... CVT-21
Lock-up select solenoid valve ........................ CVT-147
LPSV - Wiring diagram ...................... AT-127, CVT-98
Lubricant (R134a) A/C ..................................... ATC-21
Lubricants ......................................................... MA-14
Lubrication circuit (engine)(QR20DE) .................. LU-5
Lubrication circuit (engine)(VQ23DE and VQ35DE) .....
LU-17
Lubrication oil A/C .......................................... ATC-150
M
MAFS - Wiring diagram ..................... EC-126
, EC-468
Magnet clutch ................................. ATC-78, ATC-136
MAIN - Wiring diagram ........ EC-106, EC-451, AT-158
Maintenance (engine)(VQ23DE and VQ35DE) MA-24
Malfunction indicator (MI) .................... EC-36, EC-377
Mass air flow sensor (MAFS) ............. EC-124, EC-466
Meter ..................................................................... DI-4
METER - Wiring diagram .................................... DI-10
MIL data link connectors circuit ......... EC-344, EC-763
MIL/DL - Wiring diagram .................... EC-344, EC-763
Mirror, door ......................................... GW-74, GW-77
Mirror, out side .................................... GW-74, GW-77
MMSW - Wiring diagram ................................ CVT-114
Mode door control linkage adjustment ............. ATC-65
Mode door motor ............................ ATC-63, ATC-123
Molding - See Exterior EI-25, EI-27, EI-28, EI-29, EI-30
Mud guard - See Exterior .................................... EI-24
Multiport fuel injection (MFI) system .... EC-21, EC-358
Multiport fuel injection precautions ....................... GI-6
N
NATS - Wiring diagram .................................... BL-143
NATS (Nissan anti-theft system) precautions ....... GI-3
NONDTC - Wiring diagram .............. AT-168, CVT-160

LAN-2 Harness Layout ...................................................... 68
Malfunction Area Chart ........................................... 69
MAIN LINE ........................................................... 69
BRANCH LINE .................................................... 69
SHORT CIRCUIT ................................................ 69
Main Line Between Driver Seat Control Unit and
Data Link Connector ............................................... 70
Main Line Between Data Link Connector and TCM ... 71
Main Line Between TCM and ABS Actuator and
Electric Unit (Control Unit) ...................................... 71
ECM Branch Line Circuit ........................................ 72
Driver Seat Control Unit Branch Line Circuit .......... 73
AFS Control Unit Branch Line Circuit ..................... 74BCM Branch Line Circuit ......................................... 74
Data Link Connector Branch Line Circuit ................ 75
Intelligent Key Unit Branch Line Circuit ................... 76
Unified Meter and A/C Amp. Branch Line Circuit .... 76
Steering Angle Sensor Branch Line Circuit ............. 77
Display Control Unit Branch Line Circuit ................. 78
Display Unit Branch Line Circuit ............................. 78
TCM Branch Line Circuit (Models with A/T) ............ 79
TCM Branch Line Circuit (Models with CVT) .......... 80
ABS Actuator and Electric Unit (Control Unit) Branch
Line Circuit .............................................................. 80
IPDM E/R Branch Line Circuit ................................. 81
CAN Communication Circuit ................................... 82

TROUBLE DIAGNOSES WORK FLOW
LAN-27
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
MA
B
LAN

2. CAN DIAG SUPPORT MNTR: Check each item on “CAN DIAG SUPPORT MNTR”. Draw a line on the
diagnosis sheet to indicate the error circuit.
a. Reception item of “ENGINE”: On “TCM”, “UNKWN” is indicated. This means ECM cannot receive the sig-
nal from TCM. Draw a line to indicate an error between ECM and TCM (line 2-a in the figure).
NOTE:
If “UNKWN” is indicated on “TRANSMIT DIAG”, then the control unit cannot transmit CAN communication
signal to each unit. Draw a line between the control unit and the splice.
b. Reception item of “ADAPTIVE LIGHT”: On “TCM”, “UNKWN” is indicated. This means AFS cannot
receive the signal from TCM. Draw a line to indicate an error between AFS and TCM (line 2-b in the fig-
ure).
c. Reception item of “MULTI AV”: “UNKWN” is not indicated. This indicates normal communication between
AV and its receiving units. Do not draw any line.
SKIB8725E

HOW TO USE THIS SECTION
LAN-41
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN

HOW TO USE THIS SECTIONPFP:00008
CautionBKS002DH

This section describes information specific to a vehicle, sheets for trouble diagnosis, and inspection pro-
cedures.

For trouble diagnosis procedure, refer to LAN-17, "Trouble Diagnosis Procedure" .
Abbreviation ListBKS002DI
Abbreviations in CAN communication signal chart and the diagnosis sheet are as per the following list.
Abbreviation Unit nameSELECT SYSTEM
(CONSULT-II)CAN DIAG SUPPORT MNTR
(CONSULT-II)
ABS ABS actuator and electric unit (control unit) ABS VDC/TCS/ABS
ADP Driver seat control unit AUTO DRIVE POS. –
AFS AFS control unit ADAPTIVE LIGHT –
BCM BCM BCM BCM/SEC
DISPDisplay unit
– DISPLAY
Display control unit
DLC Data link connector – –
ECM ECM ENGINE ECM
I-KEY Intelligent Key unit INTELLIGENT KEY I-KEY
IPDM-E IPDM E/R IPDM E/R IPDM E/R
M&A Unified meter and A/C amp. METER A/C AMP METER/M&A
STRG Steering angle sensor – STRG
TCM TCMA/T
TCM
TRANSMISSION

LAN-44
[CAN]
TROUBLE DIAGNOSIS

TROUBLE DIAGNOSISPFP:00004
CAN Diagnostic Support MonitorBKS002DN
Use “CAN DIAG SUPPORT MNTR” for detecting the root cause.
MONITOR ITEM LIST (CONSULT-II)
ECM
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
Driver seat control unit
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
AFS control unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF→ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT
ENGINEINITIAL DIAG Status of CAN controller
OKNG
TRANSMIT DIAG Signal transmission status
UNKWN TCM Signal receiving status from the TCM
VDC/TCS/ABSModels with VDC: Signal receiving status from the ABS actuator
and electric unit (control unit)
Models with ABS: Not used even though indicated
METER/M&A Signal receiving status from the unified meter and A/C amp. OK UNKWN
ICC Not used even though indicated
BCM/SEC Signal receiving status from the BCM
OK UNKWN
IPDM E/R Signal receiving from the IPDM E/R
AWD/4WD/e4WD
Not used even though indicated
EPS
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT
AUTO DRIVE
POS.INITIAL DIAG Status of CAN controller
OKNG
TRANSMIT DIAG Signal transmission status
UNKWN BCM/SEC Signal receiving status from the BCM
METER/M&A Signal receiving status from the unified meter and A/C amp.
TCM Signal receiving status from the TCM
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT PAST PRSNT PAST
ADAPTIVE
LIGHTTRANSMIT DIAG Not used even though indicated
ECM Signal receiving status from the ECM
OKOK
or
1 – 39
*UNKWN 0 METER/M&ASignal receiving status from the unified
meter and A/C amp.
TCM Signal receiving status from the TCM
STRGSignal receiving status from the steering
angle sensor
EPS Not used even though indicated
IPDM E/R Signal receiving status from the IPDM E/R OKOK
or
1 – 39
*UNKWN 0