Front Wiper Switch Mux Input Open - Chrysler Town and Country 2003 Owner's Manual

WINDSHIELD WIPER & WASHER
Symptom:

FRONT WIPER SWITCH MUX INPUT OPEN

WIRING HARNESS INSPECTION
WINDSHIELD WIPER SWITCH MUX CIRCUIT OPEN
MULTIFUNCTION SWITCH MUX RETURN CIRCUIT OPEN
WIPER MUX CIRCUIT SHORTED TO VOLTAGE
BCM
MULTI-FUNCTION SWITCH
TEST
1 Turn the ignition on.
With the DRB, select Body, Body Controller and read the Front Wiper Sw volts.
Is the voltage above 4.8 volts?
Yes → Go To 2
→ Go To 6
No
2 Turn the ignition off.
Disconnect the Multi-Function 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 Multi-Function Switch harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Repair the Front Wiper Switch MUX circuit for an open.
No
3 Turn the ignition off.
Disconnect the Multi-Function 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
→ Repair the Multi-Function Switch MUX Return circuit for an
No
4 Turn the ignition off.
Disconnect the Multi-Function 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.
→ Go To 5
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
open.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
984
APPLICABILITY
All
All
All
All