Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECC-432 is stored if the ECC control module detects a short-circuit to ground in the signal cable from the blower fan switch.

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

Possible source
- Short-circuit to ground in the blower fan switch in the ECC control module.
- Internal fault in the ECC control module.

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