ECC-422

Diagnostic Trouble Code (DTC) Information

Condition







Diagnostic trouble code (DTC) ECC-422 is stored if the ECC control module detects that the power supply is incorrect.

Possible source

- Short-circuit in the cable between ECC control module terminal 29 and blower fan relay (by the fan motor).

Condition

- Driver fault warning. The LEDs beside the A/C and REC switches flash for approximately 20 seconds.
- The blower fan motor does not react when the blower fan switch is in position 5.