Dodge Ram 2004 Service Manual page 549

FCM-WASHER PUMP OUTPUT CIRCUIT OPEN —
TEST
3 Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Measure the resistance between ground and the Washer Pump Motor Ground circuit.
Is the resistance above 5.0 ohms?
Yes → Repair the Washer Pump Motor Ground circuit for an open.
→ Go To 4
No
4 Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Disconnect the IPM C3 harness connector.
Measure the resistance of the Washer Pump Motor Control circuit.
Is the resistance above 5.0 ohms?
Yes → Repair the Washer Pump Motor Control circuit for an open.
→ Go To 5
No
5 Turn the ignition off.
Disconnect the FCM from the IPM.
Disconnect the IPM C3 harness connector.
Measure the internal resistance of the IPM Washer Pump Motor Control circuit.
Is the resistance above 5.0 ohms?
Yes → Replace the Power Distribution Center (PDC) in accordance with
→ Replace the Front Control Module (FCM) in accordance with the
No
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
WINDSHIELD WIPER & WASHER
Continued
535
APPLICABILITY
All
All
All