LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2005 >> Pacifica Limited >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures - Diagnostic Information And Procedures - Power Windows, Telecommunication, Vehicle Theft/Security, Windshield Wiper & Washer, Verification Tests >> Windshield Wiper & Washer >> Symptom: FRONT WIPER SWITCH INPUT OPEN-BCM >> Diagnostic Procedure

Diagnostic Procedure

FRONT WIPER SWITCH INPUT OPEN-BCM SYMPTOM CHART

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, select Body, Body Controller and read the Front Wiper Switch volts.
Is the voltage above 4.8 volts?
Yes --> Go To 2
No --> Go To 6		 All
2 Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Measure the resistance of the Front Wiper Switch MUX circuit between the BCM C5 harness connector and the Wiper/Washer Switch harness connector.
Is the resistance below 5.0 ohms?
Yes --> Go To 3
No --> Repair the Front Wiper Switch MUX circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .		 All
3 Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Multi-Function Switch MUX Return circuit between the BCM C4 harness connector and the Multi-Function Switch harness connector.
Is the resistance below 5.0 ohms?
Yes --> Go To 4
No --> Repair the Multi-Function Switch MUX Return circuit for an open.
Perform BODY VERIFICATION TEST - VER 1  .		 All
4 Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Turn the ignition on.
Measure the voltage of the Front Wiper MUX Switch Signal circuit.
Is the voltage above 1.0 volt?
Yes --> Repair the Front Wiper Switch MUX circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 5		 All
5 Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Turn the ignition on.
Connect a jumper wire between the Front Wiper Switch MUX circuit and the Multi-Function Switch MUX Return circuit.
With the DRBIII®, read the Front Wiper Switch volts?
Is the voltage below 0.5 volt?
Yes --> Replace the Wiper/Washer Switch.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1  .		 All
6 Turn the ignition on.
With the DRBIII®, erase all BCM DTCs.
Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.

Were any problems found?
Yes --> Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Test Complete.		 All
scientia non olet · About LEMON Manuals