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Home >> Infiniti >> 1998 >> Q45 Base >> Repair and Diagnosis >> Brakes >> Anti-Lock - Traction Control >> Diagnosis & Testing >> Diagnostic Procedure No. 19 >> TAC Module Code 34 (Power Supply Circuit For Sensor)

TAC Module Code 34 (Power Supply Circuit For Sensor)

  1. Disconnect TAC module 20-pin connector. See Figure. Disconnect secondary throttle sensor. Check continuity of Brown/White wire between TAC module 20-pin connector terminal No. 15 and secondary throttle sensor connector. If continuity exists, go to next step. If continuity does not exist, repair Brown/White wire.
  2. Disconnect PCM harness connector. Check continuity of Black wire between PCM harness connector terminal No. 129 and TAC module 20-pin connector terminal No. 1. If continuity exists, check for poor harness connections at TAC module and PCM harness connectors. If continuity does not exist, repair Black wire as necessary.
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