DTC 1-4-5

DTC 1-4-5. AIR DISTRIBUTION SWITCH FAULTY CONTROL SIGNAL:








- Condition for DTC:
If signal from control module air distribution switch is faulty, the control module records the fault and stores the DTC.

- Cause of fault:
Fault in control module air distribution switch. There may also be a fault in the control module internal wiring.

- Symptoms:
Fault warning to driver. LEDs by A/C and REC buttons flash for 20 sec. Control module ignores the faulty signal and substitutes a preset value equivalent to 100 % defrost.
Internal fault in control module. Fault in control module air distribution switch or internal wiring.

Check DTC:





- Delete DTCs. Deleting DTCS
- Ignition off.
- Ignition on.
- Test ECC.system. Test Procedures
- Check If DTC recurs: Start test mode 1 and read out DTCs. Initializing Test Modes
- If DTC 1-4-5 recurs. Test with new control module and carry out self-adjustment of damper motor limit positions. Self Adjustment of Damper Motor Limit Positions