Repair procedures

Self Diagnosis

1. Self-diagnosis process




2. How to read self-diagnostic code
After the display panel blinks three times every 0.5 second, the corresponding fault code blinks on the setup temperature display panel every 0.5 second and will show two figures. Codes are displayed in numerical format
Fault code





3. Fault code display
(1) Continuance operation : None or one DTC code.




(2) Continuance operation : Two or more DTC code.




(3) STEP operation
A. Normal or one fault code is same as a continuance operation.
B. Two or more DTC code.




4. If fault codes are displayed while checking, inspect for malfunction causes by referring to the fault code table.
5. Fail Safe






Replacement

1. Disconnect the negative (-) battery terminal.
2. Remove the audio unit.

3. Separate the heater and A/C control unit (A) from the center facia after loosening the mounting screws.








4. Disconnect the connectors (A) and then remove the heater and A/C controller.




5. Install in the reverse order of removal.