W/Harness Inspection

Electronic Stability Control
C1259 Steering Angle Sensor - Electrical Malfunction - Inspection/Repair:_: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?






Power Circuit Inspection

Open or Short Check
1. Ignition "ON" & Engine "OFF".
2. Measure voltage between power terminal of the steering angle sensor harness connector and chassis ground.

Specification :Approx. 12V




3. Is the measured value within specifications?






Ground Circuit Inspection

Open or Short Check
1. Ignition "OFF" & Engine "OFF".
2. Disconnect steering angle sensor connector.
3. Measure resistance between ground terminal of the steering angle sensor harness connector and chassis ground.

Specification :Approx. below 1Ohms




4. Is the measured value within specifications?






Signal Circuit Inspection

Open or Short Check
1. Ignition "ON" & Engine "OFF".
2. Measure resistance between signal terminals(STG-A/STG-B/STG-Z) of the HECU harness connector and signal terminals(STG-A/STG-B/STG-Z) of the steering angle sensor harness connector.

Specification :Approx. below 1Ohms




3. Is the measured value within specifications?