Wiper Park Switch Failure

Test 1 - 2:

Test 3 - 7:

Test 8 - 13:

SYMPTOM
WIPER PARK SWITCH FAILURE

POSSIBLE CAUSES
- Wiper motor shorted to ground
- Wiper park switch sense circuit shorted to ground
- Wiper park switch sense circuit open after relay
- Wiper PK SW sense circuit between the relay and wiper motor
- Wiper park SW sense shorted voltage
- Fused ignition SW output open
- Ground circuit open
- Intermittent wiper relay
- Wiper motor shorted to voltage
- CTM
- CTM