Intermittent Wipers Inoperative or Erratic, No DTC's

Tests 1 - 3:

Tests 4 - 8:

Tests 9 - 12:

SYMPTOM
INTERMITTENT WIPERS INOPERATIVE OR ERRATIC, NO DTC'S

POSSIBLE CAUSES
- Wipers park properly
- Fused ignition switch output circuit
- Wiper motor relay control wire open
- Wiper relay
- Wiper switch mode signal wire open
- Wiper switch mode sense wire open
- Driver low speed wiper motor driver wire cavity 8 open
- Multi-function switch
- Low speed wiper switch output (cavity 9) circuit
- Central timer module - wiper motor relay control open
- Multi- function switch - wiper intermittent open