Fcm-Left Lowbeam Output Circuit Low - Dodge Ram 2004 Service Manual

EXTERIOR LIGHTING
Symptom:

FCM-LEFT LOWBEAM OUTPUT CIRCUIT LOW

INTERMITTENT CONDITION
LEFT LOWBEAM OUTPUT CIRCUIT SHORT TO GROUND
FRONT CONTROL MODULE
POWER DISTRIBUTION CENTER
TEST
1 Turn the ignition on.
With the DRBIII , clear all FCM DTC's.
Turn the Lowbeam Lamps on.
With the DRBIII , read the DTC information.
Does the DRBIII read: Left Lowbeam Output Circuit Low?
Yes → Go To 2
→ The condition that caused the symptom is currently not present.
No
2 Turn the ignition off.
Disconnect the IPM C7 harness connector.
Measure the resistance between ground and the Left Lowbeam Output circuit.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Repair the Left Lowbeam Output circuit for a short to ground.
No
3 Turn the ignition off
Disconnect the FCM connector.
Disconnect the IPM C7 harness connector.
Measure the resistance between ground and the Left Lowbeam Output circuit in the
IPM.
Is the resistance below 5.0 ohms?
Yes → Replace the Power Distribution Center(PDC).
→ Replace the Front Control Module.
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.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
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APPLICABILITY
All
All
All