Heating System H02

Fault code 23

Footwell blower outlet sensor - Open circuit/ground short

Diagnostic conditions
- Ignition on
- No control module fault stored
- No fault with power supply sensors (5 V) stored

Possible cause of fault
- Short circuit to B+/ground / between one another or open circuit in the wiring between the air-conditioning system regulator and the footwell blower outlet sensor
- Footwell blower outlet sensor faulty
- Air-conditioning system regulator faulty

Affected pins
Connector B, pin 7 and pin 9

Diagnosis/troubleshooting