ECC-431

Diagnostic Trouble Code (DTC) Information

Condition







Diagnostic trouble code (DTC) ECC-431 is stored if the ECC control module detects that there is no signal from the blower fan switch.

Condition

- The ECC control module ignores the faulty signal and compensates the shortfall with a substitute value.

Possible source

- Open-circuit in blower fan switch in ECC control module.
- Internal fault in ECC control module.

Condition

- Driver fault warning. The LEDs beside the A/C and REC switches flash for approximately 20 seconds.