TCM Circuit Check

WARNING: This page is about a different car, the 2003 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Check following terminals and connector for damage, bend and loose connection. (control module-side and harness side)
  - TCM
  - Harness connector F53
  - Harness connector M223
  - Harness connector M15
  - Harness connector E81
1. OK or NG
OK: GO TO 2.

NG: Repair terminal or connector.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect TCM connector.
2. Check resistance between TCM harness connector F51 terminals 5 (L) and 6 (R).
  
  Fig 1: Checking TCM Circuit Harness For Open Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
1. OK or NG
OK: Replace TCM.

NG: Repair harness ABS/TCS control unit and TCM.