Fault Code 0490

Fault code 0490

Blower outlet sensor, rear right

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

Possible causes of fault
- Short circuit to ground
- Open circuit/short circuit to B+
- Short circuit between lines
- Blower outlet sensor faulty
- Rear air-conditioning system regulator faulty

Affected pins
Air-conditioning system regulator control module, rear: Plug D
- Pin 6 'Ground sensor'
- Pin 10 'Outlet temperature sensor (signal for rear right blower outlet sensor)'

Diagnosis/troubleshooting