Component Inspection

Air Conditioner

Air Conditioner - B1259 AQS Sensor Fault - Component Inspection

Component Inspection

Check Ambient sensor
1. Engine "ON"
2. Connect AQS sensor
3. Measure voltage value between terminal "4" and "5" of AQS sensor
A. Specification : Refer the specifications in fig 3)








4. Is the measured voltage within specifications in fig 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 AQS sensor and check for proper operation. If the problem is corrected, replace AQS sensor and then go to "Verification of Vehicle Repair" procedure.