1.CHECK AWD SOLENOID POWER SUPPLY
Turn the ignition switch OFF.
Disconnect AWD control unit harness connector.
Check the voltage between AWD control unit harness connector and ground.
AWD control unit
—
Voltage
Connector
Terminal
B213
9
Ground
Battery voltage
Is the inspection result normal?
YES
>>
GO TO 2
.
NO
>>
Perform the trouble diagnosis for power supply circuit. Refer to
Diagnosis Procedure (GT-R certified NISSAN dealer)
.
2.CHECK AWD SOLENOID GROUND
Check the continuity between AWD control unit harness connector and ground.
AWD control unit
—
Continuity
Connector
Terminal
B213
10
Ground
Existed
11
Is the inspection result normal?
YES
>>
GO TO 3
.
NO
>>
Repair or replace error-detected parts.
3.CHECK AWD SOLENOID CIRCUIT
Disconnect AWD solenoid harness connector.
Check the continuity between AWD control unit harness connector and AWD solenoid harness connector.
AWD control unit
AWD solenoid
Continuity
Connector
Terminal
Connector
Terminal
B213
1
B123
1
Existed
2
2
Check the continuity between AWD control unit harness connector and the ground.
AWD control unit
—
Continuity
Connector
Terminal
B213
1
Ground
Not existed
2
Check the continuity between AWD solenoid harness connector and the ground.
AWD solenoid
—
Continuity
Connector
Terminal
B123
1
Ground
Not existed
2
Is the inspection result normal?
YES
>>
GO TO 4
.
NO
>>
Repair or replace error-detected parts.
4.CHECK AWD SOLENOID
Check the resistance between AWD solenoid harness connector terminals. Refer to
Component Inspection (GT-R certified NISSAN dealer)
.
Is the inspection result normal?
YES
>>
GO TO 5
.
NO
>>
AWD solenoid is malfunctioning. Replace electric controlled coupling. Refer to
Exploded View (GT-R certified NISSAN dealer)
.
5.CHECK TERMINALS AND HARNESS CONNECTORS
Check AWD control unit pin terminals for damage or loose connection with harness connector.
Check AWD solenoid pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>>
Replace AWD control unit. Refer to
Exploded View (GT-R certified NISSAN dealer)
.
NO
>>
Repair or replace error-detected parts.