HEA-813

Diagnostic Trouble Code (DTC) Information

Condition







A diagnostic trouble code (DTC) is stored if the flame goes out due to a malfunction while the system is operating.

Condition

- Heater not activated.

Possible source

- No fuel supply.
- Contact resistance in control module connector.
- Open-circuit in the signal cable.
- Short-circuit to supply voltage in signal cable.
- Flame sensor clogged with soot.
- Defective flame sensor.
- Open-circuit in ground lead.

Condition

- Poor heating in passenger compartment.