Fault-Tracing Information

Fault-tracing information

Condition




- No diagnostic trouble codes (DTCs) stored
- The fault is permanent.

Note! If the sun sensor is covered, the control module will not receive the signal for sun intensity and will be unable to regulate the heat accordingly. Fault causes of this type are not included in the fault-tracing procedure.

Possible source
- Open-circuit or short-circuit to supply in the ground lead for the sun sensor
- Open-circuit, short-circuit to ground or voltage in the signal cable for sun sensor
- Defective sun sensor.

Fault symptom[s]
- The passenger compartment temperature is not reduced when sun intensity is high