VDC/TCS/ABS 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 VDC/TCS/ABS 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 VDC/TCS/ABS control unit connector.
Check resistance between VDC/TCS/ABS control unit harness connector terminals.

VDC/TCS/ABS CONTROL UNIT CONNECTOR TERMINAL RESISTANCE CHART

VDC/TCS/ABS control unit connector	Terminal		Resistance (Approx.)
M93	61	63	54 - 66 ohm

Fig 1: Identifying Resistance Between VDC/TCS/ABS Control Unit Harness Connector Terminals 61 And 63

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

OK or NG

OK: Replace VDC/TCS/ABS control unit.
NG: Repair harness between VDC/TCS/ABS control unit and data link connector.