Temperature Sensor Test.
Is the humidity sensor OK?
YES -
Go to step 8.
NO -
Replace the humidity/in-car temperature sensor See: Heating and Air Conditioning/Cabin Temperature Sensor / Switch/Service and Repair.?
8. Disconnect the humidity/in-car temperature sensor 4P connector.
9. Disconnect climate control unit connector A (40P).
10. Check for continuity between body ground and climate control unit connector A (40P) terminal No. 27.
Is there continuity?
YES -
Repair a short to body ground in the wire between the climate control unit and the humidity sensor.?
NO -
Go to step 11.
11. Check for continuity between climate control unit connector A (40P) terminals No. 6 and No. 27.
Is there continuity?
YES -
Repair a short in the wires.?
NO -
Go to step 12.
12. Turn the ignition switch to ON (II), and measure the voltage between climate control unit connector A (40P) terminal No. 27 and body
