Wiper, Erratic Operation In Intermittent Speeds - Chrysler Concorde 2004 Service Manual

WINDSHIELD WIPER & WASHER
Symptom:

*WIPER, ERRATIC OPERATION IN INTERMITTENT SPEEDS

WIPER ON/OFF RELAY
WIPER PARK SWITCH SENSE CIRCUIT OPEN
WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND
WIPER MOTOR
BCM
TEST
1 Install a substitute relay in place of the Wiper On/Off Relay
Turn the ignition on.
Turn the wipers on.
Does the system operate correctly?
Yes → Replace the Wiper On/Off Relay.
→ Go To 2
No
2 Turn the ignition off.
Disconnect the Windshield Wiper Motor harness connector.
Disconnect the BCM C3 harness connector.
Measure the resistance of the Wiper Park Switch Sense circuit between the BCM C3
harness connector and the Wiper Motor harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Repair the Wiper Park Switch Sense circuit for an open.
No
3 Turn the ignition off.
Disconnect the Windshield Wiper Motor harness connector.
Disconnect the BCM C3 harness connector.
Measure the resistance between ground and the Wiper Park Switch Sense circuit.
Is the resistance below 100.0 ohms?
Yes → Repair the Wiper Park Switch Sense circuit for a short to ground.
→ Go To 4
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
544
APPLICABILITY
All
All
All