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 ?
YES
1) Repair as necessary and go to "Verification Vehicle Repair" procedure.
NO
1) Go to "W/Harness Inspection" procedure.

Power Supply Circuit Inspection

1. Check for open/short in harness
1. Ignition "ON" & engine "OFF" & PTG "ON"
2. Disconnect "OPTICAL SENSOR" connector.
3. Measure voltage between terminal of optical sensor and chassis ground
4. Measure voltage between terminal "R43-1" of optical sensor and chassis ground
A. Specification : Approx. 5V




5. Is the measured voltage within specifications ?
YES
1) Go to "Component Inspection" procedure.
NO
1) Check for open or short in harness. Repair as necessary and go to "Verification of Vehicle Repair" procedure.