Fcm-Wiper Speed Relay Output Circuit Low - Dodge Ram 2004 Service Manual

WINDSHIELD WIPER & WASHER
Symptom:

FCM-WIPER SPEED RELAY OUTPUT CIRCUIT LOW

INTERMITTENT CONDITION
WIPER HIGH/LOW RELAY
POWER DISTRIBUTION CENTER
FRONT CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , clear all FCM DTC's.
Actuate the Wipers in all speed positions.
With the DRBIII , read the DTC information.
Does the DRBIII read: Wiper Speed Relay Output Circuit Low?
Yes → Go To 2
→ The condition that caused the symptom is currently not present.
No
2 Turn the ignition off.
Install a substitute relay in place of the Wiper High/Low Relay.
Turn the ignition on.
Activate the Wiper Switch to all speed positions.
With the DRBIII , read DTCs.
Does the DRBIII display: Wiper Speed Relay Output Circuit Low?
Yes → Go To 3
→ Replace the Wiper High/Low Relay in accordance with the Service
No
3 Turn the ignition off.
Remove the Wiper High/Low Relay.
Remove the FCM from the IPM.
Measure the resistance between ground and the Wiper High/Low Relay Control
circuit in the IPM.
Is the resistance below 5.0 ohms?
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.
542
APPLICABILITY
All
All
All