Wiper Wash Function Not Working

SYMPTOM
* WIPER WASH FUNCTION NOT WORKING

POSSIBLE CAUSES
- Do wipers operate
- Open washer pump control circuit
- Open washer pump control switch output CKT
- Open ground circuit/washer pump connector
- Defective washer pump
- DEF multi-function SW/washer SW
- DEF BCM/washer switch
- DEF BCM/wiper operates
- Default BCM/10 Volts
- BCM/washer pump control CKT