2001 CHRYSLER VOYAGER headlamp

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

TEST ACTION APPLICABILITY
4 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 5.0 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.
639
INTERIOR LIGHTING
FRONT COURTESY LAMPS OUTPUT SHORT ÐContinued

Symptom:
EC MIRROR DAY/NIGHT LINE FAULT
When Monitored and Set Condition:
EC MIRROR DAY/NIGHT LINE FAULT
When Monitored: With the ignition on.
Set Condition: The EVIC Module does not receive any messages from the EC Mirror.
POSSIBLE CAUSES
INTERMITTENT CONDITION
AUTOMATIC DAY/NIGHT MIRROR OPERATION
AUTOMATIC HEADLAMP SWITCH SENSOR CIRCUIT OPEN
AUTOMATIC HEADLAMP SWITCH SENSOR CIRCUIT SHORTED TO GROUND
AUTOMATIC HEADLAMP SWITCH SENSOR CIRCUIT SHORTED TO VOLTAGE
CMTC/EVIC MODULE
TEST ACTION APPLICABILITY
1 With the DRBIIIt, erase the DTC.
Cycle the ignition on and off several times, leaving the ignition on for at least 15
seconds.
With the DRBIIIt, read DTCs.
Did the DTC reset?All
Ye s®Go To 2
No®Go To 7
2 Turn the ignition off.
Disconnect the Automatic Day/Night Mirror harness connector.
Turn the ignition on.
Measure the voltage of the Automatic Headlamp Switch Sensor circuit in the
Automatic Day/Night Mirror harness connector.
Is the voltage 4.9 volts?All
Ye s®Replace the Automatic Day/Night Mirror.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Disconnect the EVIC harness connector.
Disconnect the Automatic Day/Night Mirror harness connector.
Measure the resistance of the Automatic Headlamp Switch Sensor circuit between
the Automatic Day/Night Mirror harness connector and the EVIC harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Automatic Headlamp Switch Sensor circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
712
OVERHEAD CONSOLE

TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the EVIC harness connector.
Disconnect the Automatic Day/Night Mirror harness connector.
Measure the resistance of the Automatic Headlamp Switch Sensor circuit in the
EVIC harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Automatic Headlamp Switch Sensor circuit for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off.
Disconnect the Automatic Day/Night Mirror harness connector.
Disconnect the EVIC harness connector.
Using a 12 volt test light connected to ground, probe the Automatic Headlamp Switch
Sensor circuit in the Automatic Day/Night Mirror harness connector.
Does the test illuminate brightly?All
Ye s®Repair the Automatic Headlamp Switch Sensor circuit for a
shorted 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 CMTC/EVIC Module.
Perform BODY VERIFICATION TEST - VER 1.
7WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
713
OVERHEAD CONSOLE
EC MIRROR DAY/NIGHT LINE FAULT ÐContinued

Symptom:
HEADLAMP WASHER RELAY OPEN
POSSIBLE CAUSES
OPEN GROUND CIRCUIT
FUSED B+ CIRCUIT OPEN
HEADLAMP WASHER RELAY CONTROL CIRCUIT OPEN
HEADLAMP WASHER RELAY OUTPUT CIRCUIT OPEN
HEADLAMP WASHER PUMP MOTOR
HEADLAMP WASHER RELAY
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Washer Pump connector.
Measure the resistance of the Washer Pump ground circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 2
No®Repair the open Washer Pump ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition on.
Disconnect the Headlamp Washer Relay.
Measure the voltage of the Fused B+ Circuit.
Is the voltage above 10.0 volts?All
Ye s®Go To 3
No®Repair the Fused B+ Circuit for an open condition.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Headlamp Washer Relay.
Disconnect the FCM harness connector.
Measure the resistance of the Headlamp Washer Relay Control Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the Headlamp Washer Relay Control Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
4 Disconnect the Headlamp Washer Relay.
Disconnect the Headlamp Washer Pump Motor.
Measure the resistance of the Headlamp Washer Relay Output Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the Headlamp Washer Relay Output Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
973
WINDSHIELD WIPER & WASHER

TEST ACTION APPLICABILITY
5 Turn the ignition on.
Disconnect the Headlamp Washer Pump Motor connector.
Actuate the washers.
Measure the voltage of the Washer Pump Output Circuit.
Is the voltage above 10.0 volts?All
Ye s®Replace the Headlamp Washer Pump Motor.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off.
Install a known good relay in place of the Headlamp Washer Relay.
Turn the Washers on.
Do the Headlamp Washers operate normally?All
Ye s®Replace the Headlamp Washer Relay.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
974
WINDSHIELD WIPER & WASHER
HEADLAMP WASHER RELAY OPEN ÐContinued