W/Harness Inspection

Terminal and connection 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?






Voltage Inspection

1. IG "OFF".
2. Disconnect MAPS connector.
3. IG "ON" & ENG "OFF".
4. Measure voltage between each of signal / power / ground terminals of MAPS harness connector and chassis ground.

Specification : MAP signal terminal : Approx. 0V
Power terminal : Approx. 5V
Ground terminal : Approx. 0V





5. Is the measured voltage within specification ?