Bcm - Dimming Level Switch Failure - Chrysler Concorde 2004 Service Manual

Symptom:

BCM - DIMMING LEVEL SWITCH FAILURE

When Monitored and Set Condition:
BCM - DIMMING LEVEL SWITCH FAILURE
When Monitored: Continuously.
Set Condition: The BCM detects an open or short circuit condition for 10 seconds on the
Panel Lamps Dimmer Signal circuit.
CHECKING DIMMING SWITCH POSITIONS
HEADLAMP SWITCH - OPEN
HEADLAMP SWITCH - SHORTED
OPEN HEADLAMP SWITCH RETURN CIRCUIT
PANEL LAMP DIMMER SIGNAL CIRCUIT SHORTED TO GROUND
BCM - HEADLAMP RETURN CIRCUIT OPEN
MEASURE THE VOLTAGE OF THE PANEL LAMP DIMMER SIGNAL CIRCUIT
MEASURE THE VOLTAGE OF THE PANEL LAMP DIMMER SIGNAL CIRCUIT
OPEN PANEL LAMP DIMMER SIGNAL CIRCUIT
PANEL LAMP DIMMER SIGNAL CIRCUIT SHORTED TO THE HEADLAMP SWITCH RETURN
CIRCUIT
PANEL LAMP DIMMER SIGNAL CIRCUIT SHORTED TO VOLTAGE
TEST
1 Turn the ignition on.
With the DRB, select Body Computer then Sensors and observe the dimming level
voltage.
Is the voltage between 0.4 and 10.2 volts?
Yes → Go To 2
→ Go To 3
No
POSSIBLE CAUSES
ACTION
345
INSTRUMENT CLUSTER
APPLICABILITY
All