Infiniti FX35, FX50 (S51). Manual — part 1284
LAN-78
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
E-SUS BRANCH LINE CIRCUIT
E-SUS BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000005241917
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 E-SUS control unit for damage, bend and loose connection
(unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of E-SUS control unit.
2.
Check the resistance between the E-SUS control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the E-SUS control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the E-SUS control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the E-SUS control unit. Refer to
YES (Past error)>>Error was detected in the E-SUS control unit branch line.
NO
>> Repair the power supply and the ground circuit.
E-SUS control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B38
32
29
Approx. 54 – 66
LAN
RAS BRANCH LINE CIRCUIT
LAN-79
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
RAS BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000005241918
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 RAS control unit for damage, bend and loose connection (unit
side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of RAS control unit.
2.
Check the resistance between the RAS control unit harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the RAS control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the RAS control unit. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the RAS control unit. Refer to
STC-109, "Removal and Installation"
YES (Past error)>>Error was detected in the RAS control unit branch line.
NO
>> Repair the power supply and the ground circuit.
RAS control unit harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
B37
1
8
Approx. 54 – 66
LAN-80
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
CGW BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT 1)
CGW BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT 1)
Diagnosis Procedure
INFOID:0000000005241919
1.
CHECK DTC
Check DTC of the CAN gateway with CONSULT-III.
Is U1010 or B2600 indicated?
YES
>> Perform a diagnosis of the indicated DTC.
NO
>> GO TO 2.
2.
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 CAN gateway for damage, bend and loose connection (unit
side and connector side).
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the terminal and connector.
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect the connector of CAN gateway.
2.
Check the resistance between the CAN gateway harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 4.
NO
>> Repair the CAN gateway branch line (CAN communication circuit 1).
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the CAN gateway. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the CAN gateway. Refer to
.
YES (Past error)>>Error was detected in the CAN gateway branch line (CAN communication circuit 1).
NO
>> Repair the power supply and the ground circuit.
CAN gateway harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M125
1
7
Approx. 54 – 66
LAN
CGW BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT 2)
LAN-81
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
CGW BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT 2)
Diagnosis Procedure
INFOID:0000000005241920
1.
CHECK DTC
Check DTC of the CAN gateway with CONSULT-III.
Is U1010 or B2600 indicated?
YES
>> Perform a diagnosis of the indicated DTC.
NO
>> GO TO 2.
2.
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 CAN gateway for damage, bend and loose connection (unit
side and connector side).
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the terminal and connector.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of CAN gateway.
2.
Check the continuity between the CAN gateway harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair the CAN gateway branch line (CAN communication circuit 2).
4.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the CAN gateway. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the CAN gateway. Refer to
.
YES (Past error)>>Error was detected in the CAN gateway branch line (CAN communication circuit 2).
NO
>> Repair the power supply and the ground circuit.
CAN gateway harness connector
Continuity
Connector No.
Terminal No.
M125
6
4
Existed
12
10
Existed
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст