ignition NISSAN TEANA 2003 Service Manual

LAN-46
[CAN]
TROUBLE DIAGNOSIS

TCM (Models with A/T)
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
TCM (Models with CVT)
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
ABS actuator and electric unit (control unit) (Models with ABS)
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.
ABS actuator and electric unit (control unit) (Models with VDC)
CAUTION:
Never replace the unit even when “NG” is indicated on the “INITIAL DIAG” at this stage. Follow the trouble diagnosis proce-
dures. SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT
A/TINITIAL DIAG Status of CAN controller
OKNG
TRANSMIT DIAG Signal transmission status
UNKWN ECM Signal receiving status from the ECM
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&ASignal receiving status from the unified meter and A/C amp.
meterOK UNKWN
ICC/e4WD Not used even though indicated
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT
TRANSMISSIONINITIAL DIAG Status of CAN controller
OKNG
TRANSMIT DIAG Signal transmission status
UNKWN ECM Signal receiving status from the ECM
VDC/TCS/ABSSignal receiving status from the ABS actuator and electric unit
(control unit)
METER/M&A Signal receiving status from the unified meter and A/C amp.
ICC Not used even though indicated
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT PAST PRSNT PAST
ABSTRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39*UNKWN 0
ECM Signal receiving status from the ECM
SELECT SYS-
TEMCAN DIAG SUP-
PORT MNTRDescriptionNormal Error
PRSNT
ABSINITIAL DIAG Status of CAN controller
OKNG
Caution
TRANSMIT DIAG Signal transmission status
UNKWN ECM Signal receiving status from the ECM
TCM Signal receiving status from the TCM
METER/M&A Not used even though indicated
STRG Signal receiving status from the steering angle sensor OK UNKWN
ICC Not used even though indicated

TROUBLE DIAGNOSIS
LAN-47
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN

IPDM E/R
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 PAST PRSNT PAST
IPDM E/RTRANSMIT DIAG Signal transmission status
OKOK
or
1 – 39*UNKWN 0 ECM Signal receiving status from the ECM
BCM/SEC Signal receiving status from the BCM

TROUBLE DIAGNOSIS
LAN-51
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN

CAN Communication Signal ChartBKS002DP
Refer to LAN-15, "How to Use CAN Communication Signal Chart" for how to use CAN communication signal
chart.
TYPE 1/TYPE 2
NOTE:
Refer to LAN-41, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive
Signals
ECM
ADP
BCM
M&A
DISP
TCM
ABS
IPDM-E
A/C compressor request signal T R
Accelerator pedal position signal T R
Closed throttle position signal T R
Cooling fan speed request signal T R
Engine and A/T integrated control signalTR
RT
Engine coolant temperature signal T R
Engine speed signal T R
Fuel consumption monitor signalTR
TR
Malfunction indicator signal T R
Wide open throttle position signal T R
A/C switch signal R T
Blower fan motor switch signal R T
Buzzer output signal T R
Door switch signal R T R R
Front fog light request signal T R R
Front wiper request signal T R
High beam request signal T R R
Ignition switch signal R T R
Key fob door unlock signal R T
Key fob ID signal R T
Key switch signal R T
Low beam request signal T R
Oil pressure switch signalRT
TR
Position light request signal T R R
Rear fog status signal T R
Rear window defogger switch signal T R
Sleep wake up signal T R R
Turn indicator signal T R
3rd position switch signal T R
A/C switch/indicator signalRT
TR
Distance to empty signal T R
Fuel level low warning signal T R
Stop lamp switch signal T R

LAN-52
[CAN]
TROUBLE DIAGNOSIS

*: P range only
TYPE 3
NOTE:
Refer to LAN-41, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive Vehicle speed signalRT
RRR T R
A/T CHECK indicator lamp signal R T
A/T position indicator lamp signal
R
*RT
Output shaft revolution signal R T
ABS warning lamp signal R T
Brake warning lamp signal R T
Front wiper stop position signal R T
High beam status signal R T
Low beam status signal R T
Rear window defogger control signal R R R TSignals
ECM
ADP
BCM
M&A
DISP
TCM
ABS
IPDM-E
SignalsECM
ADP
AFS
BCM
I-KEY
M&A
STRG
DISP
TCM
ABS
IPDM-E
A/C compressor request signal TR
Accelerator pedal position signal T R R
Closed throttle position signal T R
Cooling fan speed request signal TR
Engine and A/T integrated control signalTR
RT
Engine coolant temperature signal T R
Engine speed signal T R R
Fuel consumption monitor signalTR
TR
Malfunction indicator signal T R
Wide open throttle position signal T R
A/C switch signal R T
Blower fan motor switch signal R T
Buzzer output signalTR
TR
Door lock/unlock status signal T R
Door switch signal R T R R R
Front fog light request signal T R R
Front wiper request signal T R
High beam request signal T R R
Ignition switch signal R T R
Key fob door unlock signal R T
Key fob ID signal R T
Key switch signal R T

TROUBLE DIAGNOSIS
LAN-53
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN

*: P range onlyLow beam request signal T R
Oil pressure switch signalRT
TR
Position light request signal T R R
Rear fog status signal T R
Rear window defogger switch signal T R
Sleep wake up signalTRR R
RT
Turn indicator signal T R
Door lock/unlock/trunk open request signal R T
Hazard warning lamp request signal R T
Ignition knob switch signal R T
Key warning signal T R
Starter permission signal R T
3rd position switch signal T R
A/C switch/indicator signalRT
TR
Distance to empty signal T R
Fuel level low warning signal T R
Stop lamp switch signal T R
Vehicle speed signalRT
RRRRR T R
Steering angle sensor signal R T R
A/T CHECK indicator lamp signal R T
A/T position indicator lamp signal
R
*RR T
Output shaft revolution signal R T
ABS warning lamp signal R T
Brake warning lamp signal R T
SLIP indicator lamp signal R T
VDC OFF indicator lamp signal R T
VDC operation signalRT
Front wiper stop position signal R T
High beam status signal R R T
Low beam status signal R R T
Rear window defogger control signal R R R TSignals
ECM
ADP
AFS
BCM
I-KEY
M&A
STRG
DISP
TCM
ABS
IPDM-E

LAN-54
[CAN]
TROUBLE DIAGNOSIS

TYPE 4
NOTE:
Refer to LAN-41, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive
Signals
ECM
ADP
AFS
BCM
I-KEY
M&A
STRG
DISP
TCM
ABS
IPDM-E
A/C compressor request signal TR
Accelerator pedal position signal T R R
ASCD CRUISE lamp signal T R
ASCD SET lamp signal T R
Closed throttle position signal T R
Cooling fan speed request signal TR
Engine and CVT integrated control signalTR
RT
Engine coolant temperature signal T R
Engine speed signal T R R R
Fuel consumption monitor signalTR
TR
Malfunction indicator signal T R
Wide open throttle position signal T R
A/C switch signal R T
Blower fan motor switch signal R T
Buzzer output signalTR
TR
Door lock/unlock status signal T R
Door switch signal R T R R R
Front fog light request signal T R R
Front wiper request signal T R
High beam request signal T R R
Ignition switch signal R T R
Key fob door unlock signal R T
Key fob ID signal R T
Key switch signal R T
Low beam request signal T R
Oil pressure switch signalRT
TR
Position light request signal T R R
Rear fog status signal T R
Rear window defogger switch signal T R
Sleep wake up signalTRR R
RT
Turn indicator signal T R
Door lock/unlock/trunk open request signal R T
Hazard warning lamp request signal R T
Ignition knob switch signal R T
Key warning signal T R

LAN-70
[CAN]
TROUBLE DIAGNOSIS

Main Line Between Driver Seat Control Unit and Data Link ConnectorBKS002E3
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
–Harness connector B2
–Harness connector M103
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the following harness connectors.
–Harness connectors B116 and B46
–Harness connectors B2 and M103
2. Check the continuity between harness connectors.
OK or NG
OK >> GO TO 3.
NG >> Repair the main line between the harness connector B46 and B2.
3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.
OK or NG
OK >>
Present error: Check the following items again.
–Decision of CAN system type.
–Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).
–Procedure for detecting root cause.

Past error: Error was detected in the main line between the driver seat control unit and the data
link connector.
NG >> Repair the main line between the harness connector M103 and the data link connector.
Harness connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
B462
B212 Yes
12 11 Yes
Harness connector Data link connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M10312
M326Yes
11 1 4 Ye s

TROUBLE DIAGNOSIS
LAN-71
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN

Main Line Between Data Link Connector and TCMBKS002E4
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the ECM harness connector and the harness connector M55.
4. Check continuity between the data link connector and the harness connector.
OK or NG
OK >>
Present error: Check the following items again.
–Decision of CAN system type.
–Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).
–Procedure for detecting root cause.

Past error: Error was detected in the main line between the data link connector and the TCM.
NG >> Repair the main line between the data link connector and the harness connector M55.
Main Line Between TCM and ABS Actuator and Electric Unit (Control Unit)BKS002E5
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
–Harness connector M53
–Harness connector E103
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the following harness connectors.
–Harness connectors M55 and F102
–Harness connectors M53 and E103
2. Check the continuity between harness connectors.
OK or NG
OK >> GO TO 3.
NG >> Repair the main line between the harness connector M55 and M53.
Data link connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M326
M555Yes
14 3 Yes
Harness connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M555
M5319 Yes
318Yes

LAN-72
[CAN]
TROUBLE DIAGNOSIS

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors E253 and E11.
2. Check the continuity between harness connectors.
OK or NG
OK >>
Present error: Check the following items again.
–Decision of CAN system type.
–Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).
–Procedure for detecting root cause.

Past error: Error was detected in the main line between the TCM and the ABS actuator and
electric unit (control unit).
NG >> Repair the main line between the harness connector E103 and E253.
ECM Branch Line CircuitBKS002E6
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
Models with automatic drive positioner
–ECM connector
–Harness connector M11
–Harness connector B3
Models without automatic drive positioner
–ECM connector
–Harness connector M11
–Harness connector B3
–Harness connector B2
–Harness connector M103
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of ECM.
2. Check the resistance between the ECM harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the ECM branch line.
Harness connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
E10319
E25312G Yes
18 13G Yes
ECM harness connector
Resistance (Ω)
Connector No. Terminal No.
M51 94 86 Approx. 108 – 132

TROUBLE DIAGNOSIS
LAN-73
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN

3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-70, "
Circuit Diagram" (QR engine),
EC-413, "
Circuit Diagram" (VQ engine).
OK or NG
OK >>
Present error: Replace the ECM. Refer to EC-47, "Procedure After Replacing ECM" (QR
engine), EC-389, "
Procedure After Replacing ECM" (VQ engine).

Past error: Error was detected in the ECM branch line.
NG >> Repair the power supply and the ground circuit.
Driver Seat Control Unit Branch Line CircuitBKS002EE
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
–Driver seat control unit connector
–Harness connector B46
–Harness connector B116
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of driver seat control unit.
2. Check the resistance between the driver seat control unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the driver seat control unit branch line.
3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the driver seat control unit. Refer to SE-17, "
Schematic" .
OK or NG
OK >>
Present error: Replace the driver seat control unit. Refer to SE-103, "Removal and Installation"
.

Past error: Error was detected in the driver seat control unit branch line.
NG >> Repair the power supply and the ground circuit.
Driver seat control unit harness connector
Resistance (Ω)
Connector No. Terminal No.
B117 2 12 Approx. 54 – 66