Signal circuit inspection
■ Open or Short Check
- IG "OFF".
- Disconnect HECU and EPB ECU connector.
- Measure resistance between CAN HIGH (LOW) terminal of the HECU harness connector and CAN HIGH (LOW) terminal of the EPB ECU harness connector.
Specification: Approx. below 1Ω
- Is the measured value within specifications?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair open in CAN BUS line between HECU harness connector and EPB ECU harness connector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.