Output Signal Circuit
- Turn ignition switch off. Disconnect ECU and ignition coil relay harness connectors. Check continuity between ECU terminal No. 16 (harness side) and ignition coil relay connector terminal No. 1 (Gray/Red wire). See appropriate wiring diagram in WIRING DIAGRAMS
. Continuity should be present. If continuity is not present, check harness and connectors between ECU and ignition coil relay.
- Check harness continuity between ECU and ignition coil in each cylinder. See Fig 1
. Continuity should be present. If continuity is not present, repair or replace harness or connectors.
Courtesy of NISSAN MOTOR CORP., U.S.A.