W/Harness Inspection

Active Hydraulic Booster
C1807 Sub CAN bus off - Inspection/Repair:_:W/Harness Inspection

Terminal and Connector 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?






Signal circuit inspection

Open Check
1. IG "OFF".
2. Disconnect HECU and AHB connector.
3. Measure resistance between CAN HIGH terminal (LOW terminal) of the HECU harness connector and CAN HIGH terminal (LOW terminal) of the AHB harness connector.

Specification :Approx. below 1Ohms




4. Is the measured value within specifications?