W/Harness Inspection

Electronic Stability Control
C1513 Brake switch error - Inspection/Repair:_:W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness(es) and terminal condition. 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 (In case of brake-pedal released)

Check for open or short in harness
1. IG "ON"
2. Measure voltage between signal terminal of the HECU harness connector and chassis ground.

Specification :Brake Light Signal(A) - 0V
Brake Signal(B) - Battery voltage




3. Is the measured value within specifications?






Signal Circuit Inspection (In case of brake-pedal pressed)

Check for open or short in harness
1. IG "ON"
2. Measure voltage between signal terminal of the HECU harness connector and chassis ground.

Specification :Brake Light Signal(A) - Battery voltage
Brake Signal(B) - 0V




3. Is the measured value within specifications?