Operation CHARM: Car repair manuals for everyone.

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 ?






Power Circuit Inspection

1. IG "OFF" & ENG "OFF"
2. Disconnect fuel pump relay.
3. IG "ON" & ENG "OFF"
4. Measure voltage between harness terminal 30 (85) of chassis ground.

Specification : B+





5. Is the measured voltage within specification ?






Control Circuit Inspection

1. IG "OFF"
2. Disconnect fuel pump relay.
3. IG "ON" & ENG "OFF"
4. Measure voltage between harness terminal 86 and chassis ground.

Specification : Approx. 2.5V





5. Is the measured voltage within specification ?