Fault Code 0709

Fault code 0709

Sun sensor

Diagnostic conditions
- Ignition on
- Battery voltage OK (11.4 to 14.5 V)
- Internal function test completed on air-conditioning system regulator control module

Possible causes of fault
- Short circuit to ground
- Open circuit/short circuit to B+
- Sun sensor faulty
- Front air-conditioning system regulator control module faulty

Affected pins
Air-conditioning system regulator control module, front: Plugs C and E
- Plug C: Pin 7 'Left sun sensor signal'
- Plug C: Pin 15 'Right sun sensor signal'
- Plug E: Pin 1 '5 V reference voltage'
- Plug E: Pin 12 'Ground sensor'

Diagnosis/troubleshooting