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 AWD 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 AWD control unit.
2. Check the resistance between the AWD control unit harness connector terminals.

   AWD control unit harness connector | Resistance (Ω)
   Connector No. | Terminal No.
   B213 | 8 | 16 | Approx. 54 – 66

Is the measurement value within the specification?
YES>>GO TO 3.
NO>>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 Diagnosis Procedure (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES (Present error)>>Replace the AWD control unit. Refer to Exploded View (GT-R certified NISSAN dealer).
YES (Past error)>>Error was detected in the AWD control unit branch line.
NO>>Repair the power supply and the ground circuit.