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Home >> Infiniti >> 1994 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Trouble Code (DTC) Testing (Q45) >> DTC 16: Traction Control System (TCS) Signal
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DTC 16: Traction Control System (TCS) Signal

  1. Check Input Signal Circuit

    Turn ignition off. Disconnect ECM harness connector and Traction Control Module (TCM) 20-pin harness connector. Check harness continuity between ECM terminal No. 36 and TCM terminal No. 7 (Red/Green wire). See Fig 1 and Fig 2 . If continuity is present, go to next step. If continuity is not present, verify harness and connector continuity between ECM and TCM. Repair harness or connectors as necessary.
  2. Check Component

    Inspect TCS function. See the TRACTION CONTROL SYSTEM article. Replace TCS component(s) if necessary and perform FINAL CHECK.
Fig 1: Locating Traction Control Module (TCM) Harness Connector
G93D78587Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: DTC Checking Input Signal Circuit
G93E78588Courtesy of NISSAN MOTOR CO., U.S.A.