Rear Wiper Switch Mux Input Short To Ground - Chrysler Town and Country 2003 Owner's Manual

WINDSHIELD WIPER & WASHER
Symptom:

REAR WIPER SWITCH MUX INPUT SHORT TO GROUND

When Monitored and Set Condition:
REAR WIPER SWITCH MUX INPUT SHORT TO GROUND
When Monitored: Ignition ON
Set Condition: A Sensor voltage is below 0.24 volts for more than 0.125 seconds.
REAR WIPER SWITCH SHORTED
INTERMITTENT WIRING AND CONNECTORS
REAR WIPER SWITCH MUX CIRCUIT SHORT TO GROUND
REAR WIPER SWITCH MUX RETURN CIRCUIT SHORT TO GROUND
REAR WIPER SWITCH MUX CIRCUIT SHORT TO MUX RETURN CIRCUIT
BODY CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRB, select Body, Body Control Module and read the R Wiper Switch Sensor
voltage.
Does the DRB display a Switch voltage less than 0.4 volts?
Yes → Go To 2
→ Go To 6
No
2 Turn the ignition off.
Disconnect the Rear Wiper Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Body Control Module and read the R Wiper Switch Sensor
voltage..
Does the DRB display more than 4.8 volts?
Yes → Replace the Rear Wiper Switch in accordance with the Service
→ Go To 3
No
3 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Rear Wiper Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Rear Wiper Switch MUX circuit.
Is the resistance less than 5.0 ohms?
Yes → Repair the Rear Wiper Switch MUX Circuit for a short to ground.
→ Go To 4
No
POSSIBLE CAUSES
ACTION
Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
1000
APPLICABILITY
All
All
All