Signal Circuit Inspection
- Ignition "OFF".
- Disconnect the HECU harness connector.
- Measure resistance between terminal "7" of the HECU harness connector and terminal "22" of the HECU harness connector.
Specification : Approx. 60Ω
- Is the measured resistance within specifications?
YES
- Fault is intermittent caused by open or short in CAN signal harness or was repaired and HECU memory was not cleared, go to "CAN BUS SHORT (TO GROUND) INSPECTION " procedure.
NO
- Check for open or short in CAN signal harness between terminal "7" of the HECU harness connector and terminal "22" of the HECU harness connector. Repair as necessary and then go to" VERIFICATION OF VEHICLE REPAIR " procedure.