Inspection Between TCM and VDC/TCS/ABS Control Unit Circuit

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 following terminals and connectors for damage, bend and loose connection (connector side and harness side).
  - Harness connector F102
  - Harness connector M72
OK or NG

OK: GO TO 2.

NG: Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect A/T assembly connector and harness connector F102.

Check continuity between A/T assembly harness connector and harness connector.

CONTINUITY SPECIFICATIONS

A/T assembly connector		Harness connector		Continuity
Connector	Terminal	Connector	Terminal	Continuity
F40	3	F102	24H	Yes
F40	8	F102	25H	Yes

OK or NG

OK: GO TO 3.

NG: Repair harness.

Fig 1: Identifying Continuity Between A/T Assembly Harness Connector And Harness Connector

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

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect VDC/TCS/ABS control unit connector.

Check continuity between harness connector (A) and VDC/TCS/ABS control unit harness connector (B).

CONTINUITY SPECIFICATIONS

A		B		Continuity
Connector	Terminal	Connector	Terminal	Continuity
M72	24H	M93	61	Yes
M72	25H	M93	63	Yes

Fig 2: Identifying Continuity Between Harness Connector And VDC/TCS/ABS Control Unit Harness Connector

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

OK or NG

OK: Connect all the connectors and diagnose again. Refer to "TROUBLE DIAGNOSES WORK FLOW ".

NG: Repair harness.