FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

W/Harness Inspection





Engine Control
U1008 Lost Communication with Radiator Shutter (Active Air Flap) (C-CAN) - Inspection/Repair:_:W/Harness Inspection

W/Harness Inspection




1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration,or damage.
3. Has a problem been found?






CAN communication circuit inspection

CAN communication line inspection
1. IG KEY OFF.
2. Disconnect HCU connector and ESC connector.
3. Measure the resistance between CAN-HIGH terminal of HCU harness connector and CAN-HIGH terminal of ESC harness connector.
4. Measure the resistance between CAN-LOW terminal of HCU harness connector and CAN-LOW terminal of ESC harness connector.

Specification :below 1Ohms








5. Is the measured registance within specification ?