Fcm-Wiper On-Off Relay Output Circuit High - Dodge Ram 2004 Service Manual

WINDSHIELD WIPER & WASHER
Symptom:

FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT HIGH

INTERMITTENT CONDITION
WIPER ON/OFF RELAY
POWER DISTRIBUTION CENTER INTERNAL SHORT TO VOLTAGE
FRONT CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , clear all FCM DTC's.
Turn the Wipers ON than OFF.
With the DRBIII , read the DTC information.
Does the DRBIII read: Wiper ON-OFF Relay Output Circuit High?
Yes → Go To 2
→ The condition that caused the symptom is currently not present.
No
2 Turn the ignition off.
Remove the Wiper On/Off Relay from the IPM.
Turn the ignition on.
Activate the Wiper Switch to all speed positions.
With the DRBIII , read DTCs.
Does the DRBIII display: Wiper On/Off Relay Output Circuit High?
Yes → Replace the Wiper On/Off Relay in accordance with the Service
→ Go To 3
No
3 Turn the ignition off.
Remove the Wiper On/Off Relay from the IPM.
Remove the FCM from the IPM.
Measure the voltage between the Wiper On/Off Relay Control circuit and ground in
the IPM.
Is there any voltage present?
Yes → Replace the Power Distribution Center (PDC) in accordance with
→ Replace the Front Control Module (FCM) in accordance with the
No
POSSIBLE CAUSES
ACTION
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
536
APPLICABILITY
All
All
All