W/Harness Inspection

ABS/ESC
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 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 (brake pedal isn't pressed)

Open or Short Check
1. IG "ON".
2. Measure voltage between brake light switch (brake switch) terminal of the HECU harness connector and hassis ground.

Specification :
Brake light switch - 0V
Brake switch - B+




3. Is the measured value within specifications ?






Signal circuit inspection (brake pedal is pressed)

Open or Short Check
1. IG "ON".
2. Press the brake pedal.
3. Measure voltage between brake light switch (brake switch) terminal of the HECU harness connector and chassis ground.

Specification :
Brake light switch - B+
Brake switch - 0V




4. Is the measured value within specifications ?