Infiniti FX35 / FX45. Manual — part 775
TROUBLE DIAGNOSIS
LAN-77
< SERVICE INFORMATION >
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
N
O
P
-
Harness connector R1
-
Harness connector M31
OK or NG
OK
>> GO TO 2.
NG
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of LDW camera unit.
2.
Check the resistance between the LDW camera unit harness connector terminals.
OK or NG
OK
>> GO TO 3.
NG
>> Repair the LDW camera unit branch line. (Replace the room lamp harness if error is detected on
the shield line.)
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the LDW camera unit. Refer to
OK or NG
OK
>> • Present error: Replace the LDW camera unit. Refer to
DI-91, "Removal and Installation for LDW
• Past error: Error was detected in the LDW camera unit branch line.
NG
>> Repair the power supply and the ground circuit.
Steering Angle Sensor Branch Line Circuit
INFOID:0000000001328663
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 steering angle sensor 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 steering angle sensor.
2.
Check the resistance between the steering angle sensor harness connector terminals.
OK or NG
OK
>> GO TO 3.
NG
>> Repair the steering angle sensor branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the steering angle sensor. Refer to
.
OK or NG
OK
>> • Present error: Replace the steering angle sensor. Refer to
BRC-56, "Removal and Installation"
.
• Past error: Error was detected in the steering angle sensor branch line.
LDW camera unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
R9
10
5
Approx. 54 – 66
Steering angle sensor harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M14
4
5
Approx. 54 – 66
LAN-78
< SERVICE INFORMATION >
[CAN]
TROUBLE DIAGNOSIS
NG
>> Repair the power supply and the ground circuit.
Unified Meter and A/C Amp. Branch Line Circuit
INFOID:0000000001328664
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 unified meter and A/C amp. for damage, bend and loose con-
nection (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 unified meter and A/C amp.
2.
Check the resistance between the unified meter and A/C amp. harness connector terminals.
OK or NG
OK
>> GO TO 3.
NG
>> Repair the unified meter and A/C amp. branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the unified meter and A/C amp. Refer to
ply and Ground Circuit Inspection"
OK or NG
OK
>> • Present error: Replace the unified meter and A/C amp. Refer to
tion of Unified Meter and A/C Amp"
• Past error: Error was detected in the unified meter and A/C amp. branch line.
NG
>> Repair the power supply and the ground circuit.
ABS Actuator and Electric Unit (Control Unit) Branch Line Circuit
INFOID:0000000001328665
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 ABS actuator and electric unit (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 ABS actuator and electric unit (control unit).
2.
Check the resistance between the ABS actuator and electric unit (control unit) harness connector termi-
nals.
OK or NG
Unified meter and A/C amp. harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M55
1
11
Approx. 54 – 66
ABS actuator and electric unit (control unit) harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E56
11
15
Approx. 54 – 66
TROUBLE DIAGNOSIS
LAN-79
< SERVICE INFORMATION >
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
N
O
P
OK
>> GO TO 3.
NG
>> Repair the ABS actuator and electric unit (control unit) branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to
.
OK or NG
OK
>> • Present error: Replace the ABS actuator and electric unit (control unit). Refer to
• Past error: Error was detected in the ABS actuator and electric unit (control unit) branch line.
NG
>> Repair the power supply and the ground circuit.
ICC Sensor Branch Line Circuit
INFOID:0000000001328666
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 ICC sensor 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 ICC sensor.
2.
Check the resistance between the ICC sensor harness connector terminals.
OK or NG
OK
>> GO TO 3.
NG
>> Repair the ICC sensor branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ICC sensor. Refer to
OK or NG
OK
>> • Present error: Replace the ICC sensor. Refer to
.
• Past error: Error was detected in the ICC sensor branch line.
NG
>> Repair the power supply and the ground circuit.
Driver Seat Control Unit Branch Line Circuit
INFOID:0000000001328667
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
-
Harness connector B151
-
Harness connector B8
OK or NG
OK
>> GO TO 2.
NG
>> Repair the terminal and connector.
ICC sensor harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E39
3
6
Approx. 54 – 66
LAN-80
< SERVICE INFORMATION >
[CAN]
TROUBLE DIAGNOSIS
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
.
OK or NG
OK
>> • Present error: Replace the driver seat control unit. Refer to
SE-16, "Component Parts and Har-
.
• Past error: Error was detected in the driver seat control unit branch line.
NG
>> Repair the power supply and the ground circuit.
IPDM E/R Branch Line Circuit
INFOID:0000000001328668
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).
-
IPDM E/R
-
Harness connector E205
-
Harness connector B5
OK or NG
OK
>> GO TO 2.
NG
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of IPDM E/R.
2.
Check the resistance between the IPDM E/R harness connector terminals.
OK or NG
OK
>> GO TO 3.
NG
>> Repair the IPDM E/R branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the IPDM E/R. Refer to
.
OK or NG
OK
>> • Present error: Replace the IPDM E/R. Refer to
PG-24, "Removal and Installation of IPDM E/R"
.
• Past error: Error was detected in the IPDM E/R branch line.
NG
>> Repair the power supply and the ground circuit.
Driver seat control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B152
14
15
Approx. 54 – 66
IPDM E/R harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E9
48
49
Approx. 108 – 132
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