Wiper Not Working At All

2003 Chrysler 300M V6-3.5L VIN MSECTION Wiper Not Working At All

Test 1 - 2:




Test 3 - 7:




Test 8 - 12:




Test 13 - 17:




Test 18 - 19:






SYMPTOM
WIPER NOT WORKING AT ALL

POSSIBLE CAUSES
- Wiper MUX circuit shorted to voltage
- Fused B(+) circuit
- Fused B(+) circuit open
- Ground circuit open
- Wiper high/low relay
- Common circuit shorted to ground
- Open common circuit open
- Wiper on/off relay
- Wiper on/off relay control circuit open
- Wiper on/off relay control circuit shorted to voltage
- Fused ignition switch output circuit open
- Windshield wiper switch MUX circuit open
- Windshield wiper switch MUX circuit shorted to ground
- Wiper motor
- BCM-On/Off relay driver
- BCM wiper MUX circuit open
- Multi-function switch
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.