Auto Headlamps And Or Fog Lamps Not Operating Properly - Chrysler Concorde 2004 Service Manual

EXTERIOR LIGHTING
Symptom:
*AUTO HEADLAMPS AND OR FOG LAMPS NOT OPERATING
PROPERLY
SENSOR GROUND CIRCUIT OPEN
SUN SENSOR SIGNAL CIRCUIT OPEN
SUN SENSOR SIGNAL CIRCUIT SHORT TO GROUND
SUN SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
SUN SENSOR SHORTED
SUN SENSOR VTSS LED
BODY CONTROL MODULE - AUTO HEADLAMPS
BODY CONTROL MODULE SENSOR SHORT TO GROUND
BODY CONTROL MODULE SUN SENSE OPEN
HEADLAMP SWITCH - AUTO FOG
HEADLAMP SWITCH - AUTO HEAD
TEST
1 Note: This test assumes that the headlamps and fog lamps operate properly
in the manual mode.
Turn the Headlamp Switch to the Auto position and fog lamps off.
With the DRBIII read the Headlamp Switch Voltage.
Is the voltage approximately 2.3 volts?
Yes → Go To 2
No
2 Note: This test assumes that the headlamps and fog lamps operate properly
in the manual mode.
Turn the Headlamp Switch to the Auto position.
Pull the Fog Lamp Switch ON.
With the DRBIII read the Headlamp Switch Voltage.
Is the voltage approximately 3.7 volts?
Yes → Go To 3
No
POSSIBLE CAUSES
ACTION
→ Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
→ Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
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APPLICABILITY
All
All