Open or Short Check
- Turn "OFF" the ignition switch.
- Disconnect ECM connector.
- Measure resistance between ground terminal of the PCM (ECM) harness connector and chassis ground.
Specification: Below. 1Ω
- Is the result within specifications?
YES
- Go to "SIGNAL CIRCUIT INSPECTION " procedure.
NO
- Repair open or short in ground circuit between the PCM (ECM) harness connector and chassis ground and then, Go to "VERIFICATION OF VEHICLE REPAIR "