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Output Signal Circuit

  1. Turn ignition off. Disconnect ECM and ignition coil relay harness connectors. Check continuity between ECM terminal No. 16 (harness side) and ignition coil relay connector terminal No. 1 (Gray/Red wire). See WIRING DIAGRAMS article. If continuity is present, go to next step. If continuity is not present, check harness and connectors between ECM and ignition coil relay. Repair as necessary and repeat step 1).
  2. Check harness continuity between ECM and ignition coil in each cylinder. See Fig 1 . Continuity should be present. If continuity is not present, repair or replace harness or connectors.
Fig 1: Checking Output Signal Circuit
G94J44130Courtesy of NISSAN MOTOR CO., U.S.A.
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