Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 493

LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS

DIAGNOSIS AND TESTING

8L - 2

LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS

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B162B-LEFT LOW BEAM CONTROL CIRCUIT LOW

For a complete wiring diagram Refer to Section 8W.

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LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS

8L - 3

•

When Monitored:

•

With the Headlamps activated.

•

Set Condition:

•

When the FCM detects a LOW condition.

Possible Causes

(L43) LEFT LOW 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: B162B-LEFT LOW 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.

(L43) LEFT LOW BEAM CONTROL CIRCUIT

Turn the ignition off.

Disconnect the FCM C2 harness connector.

Measure the resistance between ground and the (L43) Left Low Beam
Control 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 (L43) Left Low Beam Control circuit for a short

to ground condition.

Perform the BODY VERIFICATION TEST - VER 1.

8L - 4

LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS

LX

B162F-RIGHT LOW BEAM CONTROL CIRCUIT LOW

For a complete wiring diagram Refer to Section 8W.

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LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS

8L - 5