Intermittent Wipers Inoperative or Erratic, No DTC's

SYMPTOM
* INTERMITTENT WIPERS INOPERATIVE OR ERRATIC, NO DTC's

POSSIBLE CAUSES
- No Response/CCD bus failure - CTM
- Open intermittent wiper switch sense CKT
- Open intermittent wiper switch MUX CKT - CTM
- Defective wiper switch - intermittent wipers
- Defective Central Timer Module - intermittent wipers
- Defective Central Timer Module - wiper switch sense