1.CHECK POWER SUPPLY AND GROUND CIRCUIT Perform the trouble diagnosis for power supply and ground circuit. Refer to Diagnosis Procedure (GT-R certified NISSAN dealer). Is the inspection result normal? YES>>GO TO 2. NO>>Repair or replace the error-detected parts.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is any DTC detected?
YES>>Check the DTC.
NO>>GO TO 3.
3.CHECK AWD WARNING LAMP SIGNAL
With CONSULT-III

1. Turn the ignition switch ON.
   ■ CAUTION ■
   Never start the engine.
2. Check “4WD WARN LAMP” of CONSULT-III “DATA MONITOR” for “ALL MODE AWD/4WD”.

Does the item on “DATA MONITOR” indicate “On”?
YES>>GO TO 4.
NO>>Replace AWD control unit. Refer to Exploded View (GT-R certified NISSAN dealer).
4.CHECK COMBINATION METER POWER SUPPLY CIRCUIT
Perform the trouble diagnosis for combination meter power supply circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>INSPECTION END
NO>>Repair or replace the error-detected parts.