Air Conditioning (A/C) System (12.03)
Climate Control (12.00)
May 2007 Workshop Manual 12-3-7
DTC Inspection
Using WDS
1. Connect the WDS to the body diagnostic socket (Refer to ’A ppendix & Glossary ’, page 20-1-2).
2. Select ‘Air-Con’ from the menu.
3. Read the fault codes from the WDS screen.
Single Fault Codes
Code Description Possible Cause
02 Solar radiation sensor system inspection
Present fault. 1. Solar radiation sensor fault.
2. Open or short circuit in the wiring harness between the A/C
module and the solar radiation sensor.
Code Description Possible Cause
06 Cabin temperature sensor system
inspection. 1. Cabin temperature sensor fault
2. Open or short circuit in wiring
harness between A/C module and
cabin temperature sensor
Code Description Possible Cause
07 Cabin temperature sensor system
inspection. 1. Cabin temperature sensor fault
2. Open or short circuit in wiring harness between A/C module and
cabin temperature sensor
Code Description Possible Cause
10 Evaporator temperature sensor system
inspection 1. Evaporator temperature sensor fault
2. Open or short circuit in the wiring harness between the A/C
module and the evaporator temperature sensor
Code Description Possible Cause
12 Ambient temperature sensor system
inspection 1. Ambient temperature sensor fault
2. Open or short circuit in the wiring harness between the A/C
module and the ambient temperature sensor
Code Description Possible Cause
14 ECT sensor system inspection 1. ECT fault
2. A/C module fault
3. PCM fault
4. Open or short circuit in the wiring harnesses between the A/C
module, the ECT sensor, and the PCM
Code Description Possible Cause
18 Air mix actuator (potentiometer) system
inspection 1. Air mix actuator fault
2. Open circuit in the wiring harness between the A/C module and
the air mix actuator
3. Short circuit in the wiring harness between the A/C module (C0792-12) and the air mix actuator (terminal 5)
21 Airflow mode actuator (potentiometer)
system inspection 1. Airflow mode actuator fault
2. Open circuit in wiring harness between A/C module and airflow
mode actuator
3. Short circuit in wiring harnes s between A/C module (C0792-4)
and airflow mode actuator (terminal 5)
Code Description Possible Cause
11 Evaporator temperature sensor system
inspection. 1. Evaporator temperature sensor fault
2. Open or short circuit in wiring harness between A/C module and
evaporator temperature sensor
