Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 496
•
When Monitored:
•
With the Highbeam Headlamps activated.
•
Set Condition:
•
When the FCM detects a High condition.
Possible Causes
(L34) RIGHT 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: B1637-RIGHT 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.
(L34) RIGHT HIGHBEAM OUTPUT CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 harness connector.
Measure the resistance between ground and the (L34) Right 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 (L34) Right Highbeam Output circuit for a short
to ground condition.
Perform the BODY VERIFICATION TEST - VER 1.
8L - 14
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
LX
B1638-RIGHT HI BEAM CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
LX
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 15
•
When Monitored:
•
With the Headlamps activated.
•
Set Condition:
•
When the FCM detects a HIGH condition.
Possible Causes
(L34) RIGHT HIGH BEAM CONTROL CIRCUIT
FRONT CONTROL MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC’s.
Turn the Headlamps on.
With the Scan Tool read the DTC information.
Does the Scan Tool read: B1638-RIGHT HI BEAM CONTROL CIRCUIT HIGH?
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.
(L34) RIGHT HIGH BEAM CONTROL CIRCUIT
Turn the ignition off.
Disconnect the FCM C2 harness connector.
Measure the resistance of the (L34) Right High Beam Control circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (L34) Right High Beam Control circuit for a short
to battery condition.
Perform the BODY VERIFICATION TEST - VER 1.
No
>> Replace the Front Control Module (FCM) in accordance
with the service information.
Perform the BODY VERIFICATION TEST - VER 1.
8L - 16
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
LX
B163B-FRONT LEFT TURN CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
LX
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 17
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