How to proceed with troubleshooting (2006/01- )

• Use these procedures to troubleshoot the air conditioning system.
• *: Use the intelligent tester.

1. Vehicle brought to workshop

2. Customer problem analysis and symptom check

3. Inspect battery voltage

If the voltage is below 11 v, recharge or replace the battery before proceeding.

1. 1
   Check can communication system*
2. 2
   Use the intelligent tester to check if the can communication system is functioning.

Result

1. 1
   Check dtc or check sensor check code through panel diagnosis*
2. 2
   Check dtcs or sensor check codes.
3. 3
   Write down the dtcs or sensor check codes.
4. 4
   Clear the dtcs or sensor check codes.
5. 5
   Check whether the dtcs or sensor check codes recur.
6. 6
   Reproduce the problem symptoms in accordance with the dtcs or sensor check codes that were written down, and check whether the dtcs or sensor check codes recur.

Refer to the dtc chart when any dtcs or sensor check codes are output.

Result

6. Refer to problem symptoms table

Result

1. 1
   Overall analysis and troubleshooting*
2. 2
   Data list / active test (see page ac-37)
3. 3
   Panel diagnosis (indicator check) (see page ac-31)
4. 4
   Panel diagnosis (sensor check) (see page ac-31)
5. 5
   Panel diagnosis (actuator check) (see page ac-31)
6. 6
   Terminals of ecu (see page ac-27)

   

8. Adjust, repair or replace

9. Confirmation test