Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 478

5.

CHECK THE (E2) PANEL LAMPS DIMMER SIGNAL CIRCUIT FOR AN OPEN

Disconnect the Instrument Cluster C1 harness connector.

Measure the resistance of the (E2) Panel Lamps Dimmer Signal circuit
between the Instrument Cluster C1 harness connector and the Head-
lamp Switch harness connector.

Is the resistance above 5.0 ohms?

Yes

>> Repair the (E2) Panel Lamps Dimmer Signal circuit for an

open.

Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).

No

>> Replace the Instrument Cluster in accordance with the ser-

vice information.

Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).

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B1613-PANEL ILLUMINATION CONTROL CIRCUIT LOW

For a complete wiring diagram Refer to Section 8W.

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INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS

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•

When Monitored:
With the Ignition on, and the Panel Illumination active.

•

Set Condition:
Panel Illumination Status HIGH.

Possible Causes

(E12) PANEL LAMPS DRIVER CIRCUIT SHORTED TO GROUND

HEADLAMP SWITCH SHORTED TO GROUND

DRIVER HEATED SEAT SWITCH SHORTED TO GROUND

PASSENGER HEATED SEAT SWITCH SHORTED TO GROUND

CLOCK MODULE SHORTED TO GROUND

PRNDL LAMP SHORTED TO GROUND

SWITCH BANK SHORTED TO GROUND

INSTRUMENT CLUSTER

Diagnostic Test

1.

CHECK FOR AN ACTIVE DTC

Turn the ignition on.

With the scan tool, record and erase DTCs.

Activate the Panel Illumination.

Wait 30 seconds.

With the scan tool, read DTCs.

Is the DTC active?

Yes

>> Go To 2

No

>> The condition that caused this code to set is not present at this time. Check for an intermittent condition

by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also
inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated termi-
nals.

Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST - VER 1).

2.

CHECK THE SWITCH BANK FOR A SHORT TO GROUND

Turn the ignition off.

Disconnect the Switch Bank harness connector.

Turn the ignition on.

Activate the Panel Illumination.

With the scan tool, read DTCs.

Does the scan tool display-B1614–PANEL ILLUMINATION CON-
TROL CIRCUIT HIGH?

Yes

>> Replace the Switch Bank in accordance with the service

information.

Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).

No

>> Go To 3

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3.

CHECK THE HEADLAMP SWITCH FOR A SHORT TO GROUND

Turn the ignition off.

Disconnect the Headlamp Switch harness connector.

Turn the ignition on.

Activate the Panel Illumination.

With the scan tool, read DTCs.

Does the scan tool display-B1614–PANEL ILLUMINATION CON-
TROL CIRCUIT HIGH?

Yes

>> Replace the Headlamp Switch in accordance with the ser-

vice information.

Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).

No

>> Go To 4

4.

CHECK THE DRIVER HEATED SEAT SWITCH FOR A SHORT TO GROUND

Turn the ignition off.

Disconnect the Driver Heated Seat Switch harness connector.

Turn the ignition on.

Activate the Panel Illumination.

With the scan tool, read DTCs.

Does the scan tool display-B1614–PANEL ILLUMINATION CON-
TROL CIRCUIT HIGH?

Yes

>> Replace the Driver Heated Seat Switch in accordance with

the service information.

Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1).

No

>> Go To 5

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