Fault Code 2193

Fault Code 2193

Power supply, front blower regulator

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+
- Blower regulator faulty
- Blower motor faulty
- Front air-conditioning system regulator faulty

Affected pins
- 2-zone and 4-zone air conditioning systems

Air-conditioning system regulator control module, front: Plug C
- Pin 8 Supply voltage (power supply to front blower regulator)
- Manual air conditioning

Air-conditioning system regulator control module, front: Plug A
- Pin Supply voltage (power supply to front blower regulator)

Diagnosis/troubleshooting
- 2-zone and 4-zone air conditioning systems

Work Instruction 1 - 5:

Work Instruction 1 - 5: