Chrysler Concorde 2004 Service Manual page 548

WINDSHIELD WIPER & WASHER
Symptom:
WIPER PARK SWITCH FAILURE/WIPERS RUN CONTINUOUSLY
When Monitored and Set Condition:
WIPER PARK SWITCH FAILURE/WIPERS RUN CONTINUOUSLY
When Monitored: The ignition must be in the run position and battery voltage supplied
to the BCM on the Fused B(+) circuit.
Set Condition: The code will set if the BCM does not detect a low to high voltage
transition on the Wiper Park Switch Sense circuit within 8 seconds after energizing the
wiper relay On/Off relay.
WIPER PARK SWITCH OPERATION
WIPER PARK SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
WIPER PARK SWITCH SENSE CIRCUIT OPEN
WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND
GROUND CIRCUIT OPEN
WIPER MOTOR OPERATION
BCM
TEST
1 Turn the ignition on.
With the DRBIII , erase BCM DTC's.
Cycle the ignition off and then on.
Turn the windshield wiper switch to each intermittent position, then low and high
speed positions.
Turn the windshield wiper switch to the off position.
With the DRBIII , read BCM DTC's.
Does the DRB display WIPER PARK SWITCH FAILURE?
Yes → Go To 2
→ At this time the condition to set the code is not present. Inspect
No
2 Turn the ignition off.
Disconnect the Windshield Wiper Motor harness connector.
Disconnect the BCM C3 harness connector.
Turn the ignition on.
Measure the voltage of the Wiper Park Switch Sense circuit in the Windshield Wiper
Motor harness connector.
Is there any voltage present?
Yes → Repair the Wiper Park Switch Sense circuit for a short to voltage.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
the related wiring harness and connectors, repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
532
APPLICABILITY
All
All