Component Inspection

Air Conditioner
B1238 Ambient temperature sensor open (High) - Inspection/Repair:_:Component Inspection

Component Inspection

1. Check Ambient sensor
1. Ignition "OFF".
2. Disconnect ambient sensor.
3. Measure resistance between terminal "1" and "2" of ambient sensor.
A. Specification : Refer the specifications in fig3)








4. Is the measured resistance within specifications in fig3)? (tolerance limits ±3%)
YES
1) Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known-good ambient sensor and check for proper operation.
If the problem is corrected, replace ambient sensor and then go to "Verification of Vehicle Repair" procedure.