Signal Circuit Inspection
- Ignition "OFF"
- Disconnect the ECM connector.
- Ignition "ON"
- Measure
between Pin No. 41 (COM) terminal of ECM harness connector and chassis ground.
Specification: Battery voltage
- Is the measured value within specification?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Repair or replace as necessary and go to "VERIFICATION OF REPAIR " procedure.
NO
- Repair as necessary and go to "VERIFICATION OF REPAIR " procedure.