FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of 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 terminal condition. 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?
YES
>Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
>Go to" Power Circuit Inspection" procedure.

Power Supply Circuit Inspection

1. IG "OFF"
2. Disconnect APS connector.
3. IG "ON" & ENG "OFF".
4. Measure voltage between terminal 1 of APS harness connector and chassis ground.
5. Measure voltage between terminal 4 of APS harness connector and chassis ground.
A. Specification : Approx. 5V




6. Is the measured voltage within specification ?
YES
- Go to "Signal Circuit Inspection" procedure.
NO
- Repair or replace as necessary and then, go to "Signal Circuit Inspection" procedure.

Signal Circuit Inspection

1. IG "OFF".
2. Disconnect APS and PCM connector.
3. Measure resistance between terminal 2 and 3 of APS harness connector.
A. Specification : Infinite Ohms




4. Is the measured resistance within specification ?
YES
- Go to "Component Inspection" procedure.
NO
- Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.