Cluster And Panel Illumination Problems - Chrysler Concorde 2004 Service Manual

Symptom:

*CLUSTER AND PANEL ILLUMINATION PROBLEMS

CHECKING FOR INSTRUMENT CLUSTER DTC
CHECKING THE PANEL LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND
INSTRUMENT CLUSTER
PANEL LAMP DRIVER CIRCUIT SHORTED TO GROUND
PANEL LAMP DRIVER CIRCUIT SHORTED TO VOLTAGE
CHECKING FOR A SHORT TO GROUND
CHECKING FOR A SHORT TO VOLTAGE
OBSERVE THE DIMMING LEVEL VOLTAGE
ATTEMPT TO COMMUNICATE WITH THE INSTRUMENT CLUSTER
TEST
1 Turn the ignition on.
With the DRB, select Body then Electro/Mech Cluster (MIC).
Was the DRB able to I/D or communicate with the Instrument Cluster?
Yes → Go To 2
→ Refer to the Communication category for the related symptom(s).
No
2 Turn the ignition on.
Note: Check the Instrument Cluster (MIC) for any DTCs.
With the DRB, select Body Computer then Sensors and observe the dimming level
voltage.
Rotate the dimmer switch to the low position, then to the high position and observe
the dimming level voltage
Does the dimming level voltage change between approximately 0.2 and 3.0 volts?
Yes → Go To 3
→ Refer to symptom list for problems related to the Dimming Level
No
3 Turn the park lamps on.
Rotate the dimmer switch to the low position, then to the high position and observe
the panel lamps.
Do the panel lamps stay at full intensity with the dimmer switch in any position?
Yes → Go To 4
→ Go To 6
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Switch Failure DTC.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
361
APPLICABILITY
All
All
All