Chrysler 300/300 Touring/300C, Dodge Magnum. Manual - part 495
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When Monitored:
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With the Headlamps activated.
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Set Condition:
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When the FCM detects a LOW condition.
Possible Causes
(L33) LEFT HIGHBEAM OUTPUT CIRCUIT
FRONT CONTROL MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC’s.
Turn the Highbeam Headlamps on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B1633-LEFT HI BEAM CONTROL CIRCUIT LOW?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible
intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
Perform the BODY VERIFICATION TEST - VER 1.
2.
(L33) LEFT HIGHBEAM OUTPUT CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 harness connector.
Measure the resistance between ground and the (L33) Left Highbeam
Output circuit.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Front Control Module (FCM) in accordance
with the service information.
Perform the BODY VERIFICATION TEST - VER 1.
No
>> Repair the (L33) Left Highbeam Output circuit for a short to
ground condition.
Perform the BODY VERIFICATION TEST - VER 1.
8L - 10
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
LX