W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminal condition.
Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
3. Has a problem been found?
YES
1) Repair if necessary and then go to "Verification of Vehicle Repair" procedure.
NO
1) Go to "Power Circuit Inspection" procedure.

Power Supply Circuit Inspection

1. Engine "OFF".
2. Connect TPMS receiver connector.
3. Engine "ON".
4. Measure waveform between terminal "5" of TPMS receiver harness connector and chassis ground by using a oscilloscope.




5. Is the measured waveform within specifications?
YES
1) Go to "Return Circuit Inspection" procedure.
NO
1) Check for supply harness.
2) Repair if necessary and then go to "Verification of Vehicle Repair" procedure.