Chrysler 300M 2002 Service Manual page 2066

DIMMING LEVEL SWITCH FAILURE —
TEST
7 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Turn the ignition on.
Measure the voltage of the Panel Lamp Dimmer Signal circuit.
Is the voltage above 10.0 volts?
Yes → Go To 8
→ Replace and program the BCM in accordance with the Service
No
8 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Turn the ignition on.
Connect a jumper wire between the Panel Lamps Dimmer Signal and the Headlamp
Switch Return circuit at the Headlamp Switch harness connector.
With the DRB, select Body Computer then Sensors and read the dimming level
voltage.
Is the voltage below 1.0 volt?
Yes → Replace the Headlamp Switch.
→ Replace and program the BCM in accordance with the Service
No
9 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the BCM C2 harness connector.
Measure the resistance between ground and the Panel Lamp Dimmer Signal circuit.
Is the resistance below 1000.0 ohms?
Yes → Repair the Panel Lamp Dimmer Signal circuit for a short to
→ Go To 10
No
10 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the BCM C2 harness connector.
Measure the resistance between the Panel Lamp Dimmer Signal circuit and the
Headlamp Switch Return circuit.
Is the resistance below 1000.0 ohms?
Yes → Repair the Panel Lamp Dimmer Signal circuit for a short to the
→ Go To 11
No
ACTION
Information.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
Headlamp Switch Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
Continued
343
APPLICABILITY
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