HEA-815

Diagnostic Trouble Code (DTC) Information

Condition







A diagnostic trouble code (DTC) is stored if there is a short-circuit to ground or an open-circuit in the combustion fan circuit.

Condition

- Heater not activated.

Possible source

- Contact resistance in control module or combustion fan connectors.
- Open-circuit in the signal cable.
- Open-circuit in power cable.
- Short-circuit to ground in signal cable.
- Defective combustion fan.

Condition

- Poor heating in passenger compartment.