W/Harness Inspection

Terminal and Connector inspection

1. Many malfunctions in the electrical system are caused by poor harness 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?






Ground Circuit Inspection

Check open in harness
1. IG "OFF" and disconnect FTPS connector.
2. IG "ON".
3. Measure the voltage between power terminal of FTPS harness connector and chassis ground. (Measurement "A")
4. Measure the voltage between power and ground terminals of FTPS harness connector. (Measurement "B")

Specification : Approx. 5V









5. Is the measured voltage within specification?






Signal Circuit Inspection

Check short to battery in harness
1. IG "OFF" and disconnect FTPS connector and ECM connector.
2. Measure the resistance between signal and power terminals of FTPS harness connector.

Specification : Infinite





3. Is the measured resistance within specification?