Component Inspection

Component Inspection

Check Incar Temp. sensor
1. Ignition "OFF".
2. Disconnect incar sensor.
3. Measure resistance between terminal "4" and "2" of incar sensor.

Specification : Refer the specifications in fig 3)









Fig 3) Specifications : Resistance value of incar sensor as a function of temperature
4. Is the measured resistance within specifications in fig 3) ? (tolerance limits ± 3%)





Check A/C Control Unit
1. Engine "ON".
2. Disconnect incar sensor.
3. Measure Voltage between terminal "5" of A/C Control Unit and chassis ground.

Specification : Approx. 5V





4. Is the measured voltage within specifications ?