W/Harness Inspection

Air Conditioner
B1233 In-Car Temperature Sensor Short (Low) - Inspection/Repair:_:W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor connection. 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 short to ground in harness
1. Ignition "OFF"
2. Disconnect Incar temp.sensor and Connect A/C control unit main harness connector.
3. Measure resistance between Signal(+) terminal of incar temp.sensor harness connector and chassis ground.

Specification :Infinity




4. Is the measured resistance within specification?