Check poor conection of the ignition S/W power supply circuit.
Measure the voltage between "ON/START power" terminal of "ECM/PCM" harness connector and chassis ground.
■ Specification
IG key "ON" : 11.5V~13.0V
IG key "OFF" : Below 0.2V
Is the measured voltage value normal?
![]() | ▶ Check power supply and operating state of the engine control relay. |
![]() | ▶ Repair open between "ON" terminal of the ignition S/W and "ON/START power" terminal of "ECM/PCM" harness connector. ▶ Go to "ECM/PCM" inspection procedure. |