light CHRYSLER VOYAGER 2001 Service Manual

Symptom:
REAR FOG INDICATOR OUTPUT SHORT
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
REAR FOG LAMP INDICATOR CIRCUIT SHORT TO GROUND
HEADLAMP SWITCH
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase Body Control Module DTC's.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay REAR FOG LAMP INDICATOR SHORT TO GROUND?All
Ye s®Go To 2
No®Go To 6
2 Turn the ignition off to the lock position.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Turn ON the Rear Fog Lamps.
Using a 12-volt test light connected to ground, back probe the Rear Fog Lamp
Indicator circuit in the Headlamp Switch harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?All
Ye s®Go To 3
No®Go To 4
3 If there are no possible causes remaining, view repair. All
Repair
Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Headlamp Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Rear Fog Lamp Indicator circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Rear Fog Lamp Indicator circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
602
INSTRUMENT CLUSTER

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the Bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit at the Message
Center harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Right Turn Indicator for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit between the BCM
harness connector and the Message Center harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Right Turn Indicator for an open.
Perform BODY VERIFICATION TEST - VER 1.
7 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
605
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR OPEN (HIGHLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Instrument Cluster harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Instrument Cluster harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the Bulb. If OK, replace the Instrument
Cluster printed circuit board.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit between the BCM
harness connector and the Instrument Cluster harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Right Turn Indicator for an open.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Right Turn Indicator Driver circuit at the Instrument
Cluster harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Right Turn Indicator for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
607
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR OPEN (LOWLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Message Center harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Message Center harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Message Center harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the bulb. If OK, replace the Message Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Message Center harness connector.
Disconnect the BCM C4 harness connector.
Turn the ignition on.
Measure the voltage of the Right Turn Indicator Driver circuit at the Message Center
harness connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Right Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
609
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR SHORT (HIGHLINE) ÐContinued

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit in the
Instrument Cluster harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Fused B+ circuit.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Turn the ignition on.
Using a 12-volt test light connected to 12-volts, probe the Right Indicator Driver
circuit in the Instrument Cluster harness connector.
Operate the Multi-Function Switch and turn the Right Indication on.
Does the test light flash on and off?All
Ye s®Remove and inspect the bulb. If OK, replace the Instrument
Cluster printed circuit board.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Instrument Cluster harness connector.
Disconnect the BCM C4 harness connector.
Turn the ignition on.
Measure the voltage of the Right Turn Indicator Driver circuit at the Instrument
Cluster harness connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Right Turn Indicator for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair? All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
611
INSTRUMENT CLUSTER
RIGHT TURN SIGNAL INDICATOR SHORT (LOWLINE) ÐContinued

Symptom:
DOME LAMP OUTPUT SHORT
When Monitored and Set Condition:
DOME LAMP OUTPUT SHORT
When Monitored: Anytime the Body Control Module is active.
Set Condition: When output voltage status is LOW.
POSSIBLE CAUSES
PANEL LAMPS DIMMER SIGNAL CIRCUIT SHORT
HEADLAMP SWITCH MUX RETURN CIRCUIT SHORT TO GROUND
BODY CONTROL MODULE
COURTESY LAMPS DRIVER DOME CIRCUIT SHORT
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all BCM DTC's.
Turn the Dome Lamps on.
With the DRBIIIt, read the DTC information.
Does the DRBIIItread: Dome Lamp Output Short?All
Ye s®Go To 2
No®Repair the Panel Lamps Dimmer Signal Circuit for a short
condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the Body Control Module harness connector.
Measure the resistance of the Headlamp Switch MUX Return Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Headlamp Switch MUX Return Circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Disconnect the Body Control Module harness connector.
Measure the resistance of the Courtesy Lamps Driver - Dome Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the Courtesy Lamps Driver - Dome Circuit for a short
condition.
Perform BODY VERIFICATION TEST - VER 1.
634
INTERIOR LIGHTING

Symptom:
DOME SWITCH INPUT OPEN
When Monitored and Set Condition:
DOME SWITCH INPUT OPEN
When Monitored: Dome Lamps Off.
Set Condition: When Voltage is below 4.8 volts for 62.5 msec.
POSSIBLE CAUSES
HEADLAMP SWITCH MUX RETURN CIRCUIT OPEN
PANEL LAMPS DIMMER SIGNAL CIRCUIT OPEN
BODY CONTROL MODULE
HEADLAMP SWITCH
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all BCM DTC's.
Turn the Dome Lamps on.
With the DRBIIIt, read the DTC information.
Does the DRBIIItdisplay: Dome Switch Input Open?All
Ye s®Go To 2
No®Repair the Headlamp Switch MUX Return Circuit for an open
condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Body Control Module harness connector.
Disconnect the Headlamp Switch harness connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Panel Lamps Dimmer Signal Circuit for an open
condition.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the Body Control Module harness connector.
Measure the voltage of the Headlamp Switch MUX Return Circuit.
Is the voltage below 4.8 volts?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
635
INTERIOR LIGHTING

Symptom:
DOME SWITCH INPUT SHORT
When Monitored and Set Condition:
DOME SWITCH INPUT SHORT
When Monitored: Dome Lamps Off.
Set Condition: When Voltage has gone below 0.196 volts for 62.5 msec.
POSSIBLE CAUSES
PANEL LAMPS DIMMER SIGNAL CIRCUIT SHORT
PANEL LAMPS DIMMER SIGNAL CIRCUIT SHORT TO GROUND
HEADLAMP SWITCH MUX RETURN CIRCUIT SHORT TO GROUND
HEADLAMP SWITCH
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Body Control Module C5 connector.
Measure the resistance between the Panel Lamps Dimmer Signal Circuit and the
Headlamp Switch MUX Return Circuit.
Is either circuit below 1000 ohms?All
Ye s®Go To 2
No®Repair the Panel Lamps Dimmer Signal Circuit shorted to the
Headlamp Switch MUX Return Circuit.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the Body Control Module C5 connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit to ground.
Is the resistance below 1000 ohms?All
Ye s®Repair the Panel Lamps Dimmer Signal Circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the Body Control Module C5 harness connector.
Measure the resistance of the Headlamp Switch MUX Return Circuit to ground.
Is the resistance below 1000 ohms?All
Ye s®Repair the Headlamp Switch MUX Return Circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
636
INTERIOR LIGHTING

TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit and the
Headlamp Switch MUX Return Circuit to ground.
Is the resistance of either circuit below 1000 ohms?All
Ye s®Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
637
INTERIOR LIGHTING
DOME SWITCH INPUT SHORT ÐContinued

Symptom:
FRONT COURTESY LAMPS OUTPUT SHORT
When Monitored and Set Condition:
FRONT COURTESY LAMPS OUTPUT SHORT
When Monitored: Anytime the Body Control Module is active.
Set Condition: When the voltage of the Headlamp Switch MUX Return Circuit falls below
5.0 volts for 10 seconds.
POSSIBLE CAUSES
HEALAMP SWITCH MUX RETURN CIRCUIT SHORT TO GROUND
COURTESY LAMPS DRIVER CIRCUIT OPEN
PANEL LAMPS DIMMER SIGNAL CIRCUIT OPEN
BODY CONTROL MODULE
HEADLAMP SWITCH
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all BCM DTC's.
Turn the courtesy lamps on.
With the DRBIIIt, read the DTC information.
Does the DRBIIItread: Front Courtesy Lamps Output Short?All
Ye s®Repair the Headlamp Switch MUX Return Circuit for a short to
ground condition.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Turn the ignition off.
Remove and inspect the inoperative courtesy lamp bulb.
With the DRBIIIt, measure the resistance of the Courtesy Lamps Driver- Dome
Circuit.
Is the resistance above 1000 ohms?All
Ye s®Go To 3
No®Repair the Open Courtesy Lamps Driver-Dome Circuit and re-
place the bulb.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Disconnect the Body Control Module harness connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Open Panel Lamps Dimmer Signal Circuit.
Perform BODY VERIFICATION TEST - VER 1.
638
INTERIOR LIGHTING