W/Harness Inspection

Electronic Control Suspension
C1502 ECS Switch Fault - W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness(es) 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?






Signal Circuit Inspection

Check for short
1. IG "OFF"
2. Disconnect console switch connector and ECS ECU connector.
3. Measure resistance between power terminal of console switch harness connector and chassis ground.

Specification : Infinite




4. Is the measured value within specifications?





Check for open
1. IG "OFF"
2. Disconnect console switch connector and ECS ECU connector.
3. Measure resistance between signal terminal of console switch harness connector and signal terminal of ECS ECU harness connector.

Specification : Below approx. 1 Ohms




4. Is the measured value within specifications?