W/Harness Inspection

Tire Pressure Monitoring System
C1345 Front Low Frequency Initiator Channel Failure - 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?






Power Circuit Inspection

1. IG OFF.
2. Disconnect Front Initiator connector and TPMS ECU connector.
3. Measure resistance between power terminal of Front Initiator harness connector and power terminal of TPMS ECU harness connector.

Specification :Below approx. 1Ohms




4. Is the measured value within specifications?






Signal Circuit Inspection

1. IG OFF.
2. Disconnect Front Initiator connector and TPMS ECU connector.
3. Measure resistance between signal terminal of Front Initiator harness connector and signal terminal of TPMS ECU harness connector

Specification :Below approx. 1Ohms




4. Is the measured value within specifications?






Ground Circuit Inspection

1. IG "OFF".
2. Disconnect Front Initiator connector and TPMS ECU connector.
3. Measure resistance between ground terminal of Front Initiator harness connector and ground terminal of TPMS ECU harness connector.

Specification :Below approx. 1Ohms




4. Is the measured value within specifications?