AWD Control Unit Circuit Inspection

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of AWD control unit for damage, bend and loose connection (control unit side and harness side).
OK or NG
- OK: GO TO 2.
- NG: Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect AWD control unit connector.
Check resistance between AWD control unit harness connector terminals.

AWD CONTROL UNIT CONNECTOR TERMINAL RESISTANCE CHART

AWD control unit connector	Terminal		Resistance (Approx.)
M10	8	16	54 - 66 ohm

Fig 1: Identifying Resistance Between AWD Control Unit Harness Connector Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Replace AWD control unit.
NG: Repair harness between AWD control unit and data link connector.