2001 CHRYSLER VOYAGER display

Symptom:
*RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN
POSSIBLE CAUSES
INTERMITTENT CONDITION
RIGHT FRONT DOOR AJAR SWITCH GROUND CIRCUIT OPEN
RIGHT FRONT DOOR LOCK MOTOR/AJAR SWITCH
RIGHT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 Open the passenger door.
With the DRBIIItin Inputs/Outputs, read the PASS DOOR AJAR SW state.
Does the DRBIIItdisplay CLOSED?All
Ye s®The condition that caused this symptom is currently not present.
Inspect the related wiring harness for a possible intermittent
condition. Look for any chafed, pierced, pinched or partially
broken wires.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Disconnect the Right Front Door Lock Motor/Ajar switch connector.
Using a 12-volt Test Light connected to 12-volts, test the Ground circuit for
continuity.
Does the light illuminate?All
Ye s®Go To 3
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Right Front Door Lock Motor/Ajar Switch connector.
With the DRBIIItin Inputs/Outputs, read the PASS DOOR AJAR SW state.
Connect a jumper wire between Sense circuit and the Ground circuit.
Does the DRBIIItdisplay PASS DOOR AJAR SW: CLOSED?All
Ye s®Replace the Right Front Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Disconnect the Body Control Module C3 harness connector.
Disconnect the Right Front Door Lock Motor/Ajar Switch harness connector.
Measure the resistance of the Sense 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 Right Front Door Ajar Switch Sense circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
435
DOOR AJAR

Symptom:
EBL RUN ONLY RELAY OPEN
When Monitored and Set Condition:
EBL RUN ONLY RELAY OPEN
When Monitored: Continuously with the ignition on.
Set Condition: The FCM has detected an open in the Rear Defogger Relay control circuit.
POSSIBLE CAUSES
OPEN B+ TO RELAY
VERIFY ACTIVE DTC
MISSING RELAY
FRONT CONTROL MODULE
REAR WINDOW DEFOGGER RELAY
INTELLIGENT POWER MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the current Front Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIIIt, read the current Front Control Module DTC's.
Does the DRBIIItdisplay EBL RUN ONLY RELAY OPEN trouble code?All
Ye s®Go To 2
No®The condition that caused this symptom is currently not present
at this time.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Check the IPM to make certain the Rear Window Defogger Relay is present.
Is the Rear Window Defogger Relay present?All
Ye s®Go To 3
No®Replace the missing Rear Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
3 Remove the Rear Window Defogger relay from the IPM.
Measure the voltage of pin 86 in the Rear Defogger Relay socket.
Is the voltage above 10.0 volts?All
Ye s®Go To 4
No®Repair/replace open B+ to relay as necessary.
Perform BODY VERIFICATION TEST - VER 1.
440
ELECTRICALLY HEATED SYSTEMS

Symptom:
EBL RUN ONLY RELAY SHORTED TO BATTERY
When Monitored and Set Condition:
EBL RUN ONLY RELAY SHORTED TO BATTERY
When Monitored: Continuously with the ignition on.
Set Condition: The FCM has detected a short to battery voltage in the Rear Defogger
Relay control circuit.
POSSIBLE CAUSES
VERIFY ACTIVE DTC
FRONT CONTROL MODULE
INTELLIGENT POWER MODULE
REAR WINDOW DEFOGGER RELAY
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, erase the current Front Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIIIt, read the current Front Control Module DTC's.
Does the DRBIIItdisplay EBL RUN ONLY RELAY SHORTED TO BATTERY
trouble code?All
Ye s®Go To 2
No®The condition that caused this symptom is currently not present
at this time.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Install a known good relay in place of the Rear Window Defogger relay.
Turn the ignition on.
Attempt to operate the Rear Window Defogger.
With the DRBIIIt, read the current Front Control Module DTCs.
Did the DTC reset?All
Ye s®Go To 3
No®Replace the Rear Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Remove the Rear Window Defogger Relay from the IPM.
Remove the Front Control Module from the IPM.
Measure the voltage of the Rear Window Relay Control circuit.
Is the voltage above 1.0 volts?All
Ye s®Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
442
ELECTRICALLY HEATED SYSTEMS

Symptom:
HEADLAMP SWITCH MISMATCH
When Monitored and Set Condition:
HEADLAMP SWITCH MISMATCH
When Monitored: Ignition ON
Set Condition: Headlamp switch is in Auto mode and the vehicle is not EC Mirror
equipped.
POSSIBLE CAUSES
VERIFY AUTO HEADLAMP SWITCH
INTERMITTENT WIRING AND CONNECTORS
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the headlamps to the Auto position.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay HEADLAMP SWITCH MISMATCH?All
Ye s®Go To 2
No®Go To 4
2 Visually identify the Headlamp Switch type.
Does the Headlamp Switch Contain an Auto Headlamp position?All
Ye s®Replace the Auto Headlamp Switch with a non Auto Headlamp
Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Body Control Module in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
4 The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
449
EXTERIOR LIGHTING

Symptom:
HEADLAMP SWITCH OPEN
When Monitored and Set Condition:
HEADLAMP SWITCH OPEN
When Monitored: Ignition ON
Set Condition: A Sensor voltage is over 4.8 volts for more than .0625 seconds.
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
HEADLAMP SWITCH MUX CIRCUIT OPEN
HEADLAMP SWITCH MUX RETURN CIRCUIT OPEN
HEADLAMP SWITCH OPEN
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the headlamps to the ON position.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay HEADLAMP SWITCH OPEN?All
Ye s®Go To 2
No®Go To 5
2 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Connect a jumper wire between the Headlamp Switch MUX circuit and the
Headlamp Switch MUX Return circuit in the Headlamp Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Body Controller and read the Headlamp Switch volts.
Does the DRB Headlamp Switch Sensor voltage read less than 0.5 Volts?All
Ye s®Replace the Headlamp Switch in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
450
EXTERIOR LIGHTING

Symptom:
HEADLAMP SWITCH SHORT TO GROUND
When Monitored and Set Condition:
HEADLAMP SWITCH SHORT TO GROUND
When Monitored: Ignition ON
Set Condition: A Sensor voltage is below 0.488 volts for more than 0.0625 seconds.
POSSIBLE CAUSES
HEADLAMP SWITCH SHORTED
INTERMITTENT WIRING AND CONNECTORS
HEADLAMP SWITCH MUX CIRCUIT SHORT TO GROUND
HEADLAMP SWITCH MUX RETURN CIRCUIT SHORT TO GROUND
HEADLAMP SWITCH MUX CIRCUIT SHORT TO MUX RETURN CIRCUIT
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
Turn the headlamps to the ON position.
With the DRBIIIt, read DTCs.
Does the DRBIIItdisplay HEADLAMP SWITCH SHORT TO GROUND?All
Ye s®Go To 2
No®Go To 6
2 Turn the ignition off.
Disconnect the Headlamp Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Body Control Module and read the Headlamp Switch
Sensor voltage..
Does the DRB display a Headlamp Switch Voltage of more than 4.8 volts?All
Ye s®Replace the Headlamp Switch in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 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 Headlamp Switch MUX circuit.
Is the resistance less than 5.0 ohms?All
Ye s®Repair the Headlamp Switch MUX Circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
452
EXTERIOR LIGHTING

Symptom:
HIGH BEAM SWITCH INPUT OPEN
When Monitored and Set Condition:
HIGH BEAM SWITCH INPUT OPEN
When Monitored: Ignition On.
Set Condition: When voltage is below 4.8 volts.
POSSIBLE CAUSES
INTERMITTENT CONDITION
MULTIFUNCTION SWITCH
HIGH BEAM SWITCH MUX CIRCUIT OPEN
MULTIFUNCTION SWITCH MUX RETURN CIRCUIT OPEN
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, clear all BCM DTC's.
Turn the Headlamps On.
Actuate the High Beams.
With the DRBIIIt, read the DTC information.
Does the DRBIIItread: High Beam Switch Input Open?All
Ye s®Go To 2
No®The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced,pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off
Disconnect the Multifunction Switch harness connector.
Connect a jumper wire between the High Beam Switch MUX circuit and the
Multifunction Switch MUX Return circuit in the Multifunction Switch connector.
Turn the ignition on.
With the DRBIIIt, read the Multifunction Switch voltage.
Is the display voltage below 0.5 volts?All
Ye s®Replace the Multifunction Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
454
EXTERIOR LIGHTING

Symptom:
LEFT HIGH BEAM HEADLAMP CIRCUIT SHORTED TO GROUND
POSSIBLE CAUSES
FRONT CONTROL MODULE
LEFT HEADLAMP
LEFT HIGH BEAM DRIVER CIRCUIT SHORTED TO GROUND
WIRING PROBLEM
WIRING HARNESS INSPECTION
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, erase the Front Control Module DTC's.
Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for
5 seconds in each position.
With the DRB, read Front Control Module DTC's.
Is this DTC present?All
Ye s®Go To 2
No®Go To 5
2 Turn the ignition off.
Disconnect the Left Headlamp.
Disconnect the Front Control Module from the Intelligent Power Module.
Measure the resistance between Ground and the Left High Beam Driver circuit.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Left High Beam Driver circuit for a short to ground
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Turn the ignition off.
Turn the Headlamps off.
Install a substitute Headlamp Bulb in place of the Left Headlamp Bulb.
Turn the ignition on.
With the DRB, erase the Front Control Module DTC's.
Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for
5 seconds in each position.
With the DRB, read Front Control Module DTC's.
Does the DRB display this DTC?All
Ye s®Go To 4
No®Replace the original Left Headlamp Bulb.
Perform BODY VERIFICATION TEST - VER 1.
464
EXTERIOR LIGHTING