TCM Circuit Check

WARNING: This page is about a different car, the 2002 Infiniti Q45. 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 F105.
- Harness connector M135.
OK or NG
1. OK >> GO TO 2.
2. NG >> Repair terminal or connector.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect TCM connector.
2. Check resistance between TCM harness connector F103 terminals 6 (LG/B) and 7(P/B).
  6(LG/B)-7(P/B) : Approx. 108-136ohm
  
  Fig 1: Checking Resistance Between TCM Harness Connector F103 Terminals 6 (LG/B) And 7(P/B)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK >> Replace TCM.
2. NG >> Repair harness between splice points M13, M14 and TCM.