W/Harness Inspection

Front Back Warning System
B1621 Power 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 ?






Power Circuit Inspection

1. IG "ON" & ENG "OFF".
2. Measure the power voltage of "Front Supersonic Sensor" and "Rear Supersonic Sensor". (FBWS side)

Specification :Approx. 8V








3. Is the signal output normal ?