W/Harness Inspection

Terminal & 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 ?






Power Circuit Inspection

1. Check Voltage
(1) Ignition "OFF"
(2) Disconnect PCM connector
(3) Ignition "ON" & Engine "OFF"
(4) Measure voltage between terminal "76" of PCM harness connector and chassis ground

Specification : B+



(5) Is the measured voltage within specifications ?






NOTE:
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM. After testing PCM on the vehicle, use this function to reuse the PCM on the others