2007 INFINITI FX35 Service Manual

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Page 3441 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS LAN-77
[CAN]
C
D E
F
G H
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M A
B
LAN
Revision: 2006 July 2007 FX35/FX45
Main Line Between TCM and Data Link ConnectorNKS004NY
INSPECTION PROCEDURE
1. CHECK HARNESS C

TROUBLE DIAGNOSIS LAN-77
[CAN]
C
D E
F
G H
I
J
L
M A
B
LAN
Revision: 2006 July 2007 FX35/FX45
Main Line Between TCM and Data Link ConnectorNKS004NY
INSPECTION PROCEDURE
1. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the connector of ECM and the harness connector M82 and F102.
4. 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).
–Not copied from on-board diagnosis.
–Procedure for detecting root cause.
Past error: Error was detected in the main line between the TCM and the data link connector.
NG >> Repair the main line between the harness connector M82 and the data link connector.
Main Line Between Data Link Connector and Unified Meter and A/C Amp.NKS004NZ
INSPECTION PROCEDURE
1. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the ECM connector and the unified meter and A/C amp. connector.
4. Check the continuity between the data link connector and the unified meter and A/C amp. harness con- nector.
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).
–Not copied from on-board diagnosis.
–Procedure for detecting root cause.
Past error: Error was detected in the main line between the data link connector and the unified
meter and A/C amp.
NG >> Repair the main line between the data link connector and the unified meter and A/C amp.
Harness connector Data link connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M82 14H
M5 6Yes
15H 14 Yes
Data link connector Unified meter and A/C amp. harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M5 6
M55 1Yes
14 11 Yes

Page 3442 of 4366

INFINITI FX35 2007 Service Manual LAN-78
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Main Line Between Unified Meter and A/C Amp. and ABS Actuator and Electric
Unit (Control Unit)
NKS004O0
INSPECTION PROCEDURE
1. CHEC

LAN-78
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Main Line Between Unified Meter and A/C Amp. and ABS Actuator and Electric
Unit (Control Unit)
NKS004O0
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 M41
–Harness connector E211
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of unified meter and A/C amp. and the harness connector M41 and E211.
2. Check the continuity between the unified meter and A/C amp. harness connector and the harness con- nector.
OK or NG
OK >> GO TO 3.
NG >> Repair the main line between the unified meter and A/C amp. connector and the harness connec- tor M41.
3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of ABS actuator and electric unit (control unit).
2. Check the continuity between the harness connector and the ABS actuator and electric unit (control unit) 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).
–Not copied from on-board diagnosis.
–Procedure for detecting root cause.
Past error: Error was detected in the main line between the unified meter and A/C amp. and
ABS actuator and electric unit (control unit).
NG >> Repair the main line between the harness connector E211 and the ABS actuator and electric unit (control unit) harness connector.
Unified meter and A/C amp. harness connector Harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
M55 1
M41 29G Yes
11 1 8 G Ye s
Harness connector ABS actuator and electric unit (control unit)
harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
E211 29G
E56 11 Ye s
18G 15 Yes

Page 3443 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS LAN-79
[CAN]
C
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F
G H
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J
L
M A
B
LAN
Revision: 2006 July 2007 FX35/FX45
Main Line Between ABS Actuator and Electric Unit (Control Unit) and Driver
Seat Control Uni

Page 3444 of 4366

INFINITI FX35 2007 Service Manual LAN-80
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
ECM Branch Line CircuitNKS004O2
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery c

Page 3445 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS LAN-81
[CAN]
C
D E
F
G H
I
J
L
M A
B
LAN
Revision: 2006 July 2007 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of AWD control unit.
2. Check

TROUBLE DIAGNOSIS LAN-81
[CAN]
C
D E
F
G H
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L
M A
B
LAN
Revision: 2006 July 2007 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of AWD control unit.
2. Check the resistance between the AWD control unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the AWD control unit branch line.
3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AWD control unit. Refer to TF-16, "
Circuit Diagram" .
OK or NG
OK >>Present error: Replace the AWD control unit. Refer to TF-39, "AWD CONTROL UNIT" .
Past error: Error was detected in the AWD control unit branch line.
NG >> Repair the power supply and the ground circuit.
Display Control Unit Branch Line CircuitNKS004O4
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the display control unit for damage, bend and loose connection (unit side and connector side).
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of display control unit.
2. Check the resistance between the display control unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the display control unit branch line.
3. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the display control unit. Refer to AV- 5 6 , "
Schematic — INF/D
—" .
OK or NG
OK >>Present error: Replace the display control unit. Refer to AV- 9 2 , "Removal and Installation of
Display Control Unit" .
Past error: Error was detected in the display control unit branch line.
NG >> Repair the power supply and the ground circuit.
AWD control unit harness connector Resistance ( Ω)
Connector No. Terminal No.
M92 8 16 Approx. 54 – 66
Display control unit harness connector Resistance ( Ω)
Connector No. Terminal No.
M76 25 26 Approx. 54 – 66

Page 3446 of 4366

INFINITI FX35 2007 Service Manual LAN-82
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
ICC Unit Branch Line CircuitNKS004OK
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the batt

Page 3447 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS LAN-83
[CAN]
C
D E
F
G H
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M A
B
LAN
Revision: 2006 July 2007 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of A/T assembly.
2. Check the

Page 3448 of 4366

INFINITI FX35 2007 Service Manual LAN-84
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Data Link Connector Branch Line CircuitNKS004O7
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconne

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