CHRYSLER VOYAGER 2001 Service Manual

Symptom:
LIFTGATE UNLOCK POWER OUTPUT SHORT
When Monitored and Set Condition:
LIFTGATE UNLOCK POWER OUTPUT SHORT
When Monitored: Continuously for non power liftgate vehicles
Set Condition: When the Body Control Module senses a low output on the Liftgate
Release Driver circuit for longer than 125 ms during a liftgate release actuation.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - LIFTGATE RELEASE DRIVER SHORTED
LIFTGATE RELEASE DRIVER WIRE SHORT TO GROUND
LIFTGATE RELEASE MOTOR SHORTED
TEST ACTION APPLICABILITY
1 Ensure vehicle is unlocked before proceeding.
Turn the ignition on.
With the DRBIIIt, record and erase DTC's.
With the DRBIIIt, read DTC's.
Operate the Liftgate Release several times from the Liftgate Handle Switch while
monitoring the DRBIIIt.
Does the DRBIIItdisplay LIFTGATE UNLOCK POWER OUTPUT SHORT?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the Body Control Module C3 connector.
Measure the resistance between ground and the Liftgate Release Driver circuit.
Is the resistance below 3.5 ohms?All
Ye s®Go To 3
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Liftgate Ajar Switch connector.
Disconnect the Body Control Module C3 connector.
Measure the resistance between Liftgate Release Driver circuit and ground.
Is the resistance below 100.0 ohms?All
Ye s®Repair the Liftgate Release Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
742
POWER DOOR LOCKS/RKE

TEST ACTION APPLICABILITY
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Liftgate Release Motor.
Perform BODY VERIFICATION TEST - VER 1.
743
POWER DOOR LOCKS/RKE
LIFTGATE UNLOCK POWER OUTPUT SHORT ÐContinued

Symptom:
LOCK OUTPUT FAILURE
When Monitored and Set Condition:
LOCK OUTPUT FAILURE
When Monitored: At all times when battery power is supplied to the Body Control
Module.
Set Condition: When the BCM senses a short condition on the door lock circuits for over
125 milliseconds.
POSSIBLE CAUSES
DTC PRESENT
DOOR LOCK DRIVER SHORT TO GROUND
LEFT FRONT DOOR LOCK DRIVER SHORT GROUND
LEFT SLIDING DOOR LOCK DRIVER WIRE SHORT TO GROUND
RIGHT FRONT DOOR LOCK DRIVER WIRE SHORT TO GROUND
RIGHT SLIDING DOOR LOCK DRIVER WIRE SHORT TO GROUND
LEFT FRONT DOOR LOCK MOTOR - SHORT TO GROUND
LEFT SLIDING DOOR LOCK MOTOR - SHORT TO GROUND
RIGHT FRONT DOOR LOCK MOTOR - SHORT TO GROUND
RIGHT SLIDING DOOR LOCK MOTOR - SHORT TO GROUND
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition switch from ON to OFF.
With the DRBIIIt, read DTC's.
Operate the door locks several times from the Driver Door Lock Switch while
monitoring the DRBIIIt
Does the DRBIIItdisplay LOCK OUTPUT FAILURE?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors for an intermittent problem.
Perform BODY VERIFICATION TEST - VER 1.
744
POWER DOOR LOCKS/RKE

TEST ACTION APPLICABILITY
2 Disconnect the Body Control Module C2 connector.
Measure the resistance between ground and each of the Door Lock Driver circuits.
Select the appropriate reading.All
Right Front Door Lock under 1000.0 ohm
Go To 3
Right Sliding Door Lock under 1000.0 ohm
Go To 4
Left Front Door Lock under 1000.0 ohm
Go To 5
Left Sliding Door Lock under 1000.0 ohm
Go To 6
None of the circuits under 1000.0 ohms.
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Body Control Module C2 connector.
Disconnect the Right Front Door Lock Motor/Ajar Switch connector.
Measure the resistance between ground and the Right Front Door Lock Driver
circuit.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Right Front Door Lock Driver wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Door Lock Motor.
Perform BODY VERIFICATION TEST - VER 1.
4 Disconnect the Body Control Module C2 connector.
Disconnect the Right Sliding Door Lock Motor connector.
Measure the resistance between ground and the Right Sliding Door Lock Driver
circuit.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Right Sliding Door Lock Driver wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Right Sliding Door Lock Motor (Latch assy.)
Perform BODY VERIFICATION TEST - VER 1.
5 Disconnect the Body Control Module C2 connector.
Disconnect the Left Front Door Lock Motor connector.
Measure the resistance between ground and the Left Front Door Lock Driver circuit.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Left Front Door Lock Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Door Lock Motor.
Perform BODY VERIFICATION TEST - VER 1.
745
POWER DOOR LOCKS/RKE
LOCK OUTPUT FAILURE ÐContinued

TEST ACTION APPLICABILITY
6 Disconnect the Body Control Module C2 connector.
Disconnect the Left Sliding Door Lock Motor connector.
Measure the resistance between ground and the Left Sliding Door Lock Driver
circuit.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Left Sliding Door Lock Driver wire for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Left Sliding Door Lock Motor (Latch assy.)
Perform BODY VERIFICATION TEST - VER 1.
746
POWER DOOR LOCKS/RKE
LOCK OUTPUT FAILURE ÐContinued

Symptom:
PASSENGER DOOR LOCK SWITCH INPUT OPEN
When Monitored and Set Condition:
PASSENGER DOOR LOCK SWITCH INPUT OPEN
When Monitored: At all times when battery power is supplied to the Body Control
Module.
Set Condition: When the BCM senses voltage to the door lock switch above 4.6 volts for
over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - PASSENGER DOOR LOCK SWITCH VOLTAGE LOW
DOOR LOCK SWITCH GROUND OPEN
DOOR LOCK SWITCH MUX OPEN
DOOR LOCK SWITCH OPEN
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition from ON to OFF.
With the DRBIIIt, read DTC's.
Operate the door locks several times from the Passenger Door Lock Switch while
monitoring the DRBIIIt.
Does the DRBIIItdisplay PASS DOOR LOCK SW INPUT OPEN?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIItin Sensors, read the PASS DOOR LOCK SW voltage.
Does the DRBIIItdisplay 4.6 volts or greater?All
Ye s®Go To 3
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Passenger Door Lock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
747
POWER DOOR LOCKS/RKE

TEST ACTION APPLICABILITY
4 Disconnect the Passenger Door Lock Switch connector.
Measure the voltage between Door Lock Switch Mux circuit and ground.
Is the voltage above 4.6 volts?All
Ye s®Go To 5
No®Repair the Door Lock Switch Mux circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5 If there are no possible causes remaining, view repair. All
Repair
Replace the Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
748
POWER DOOR LOCKS/RKE
PASSENGER DOOR LOCK SWITCH INPUT OPEN ÐContinued

Symptom:
PASSENGER DOOR LOCK SWITCH INPUT SHORT
When Monitored and Set Condition:
PASSENGER DOOR LOCK SWITCH INPUT SHORT
When Monitored: At all times when battery power is supplied to the Body Control
Module.
Set Condition: When the BCM senses voltage to the door lock switch below .5 volts for
over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
PASSENGER DOOR LOCK SWITCH SHORTED
DOOR LOCK SWITCH MUX SHORTED
BODY CONTROL MODULE - PASSENGER DOOR LOCK SWITCH VOLTAGE SHORTED
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle ignition ON to OFF..
With the DRBIIIt, read DTCs.
Operate the door locks several times from the Driver Door Lock Switch while
monitoring the DRBIII.
Does the DRBIIItdisplay DR DOOR LOCK SW INPUT SHORT?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2 Disconnect the Passenger Door Lock Switch connector.
With the DRBIIItin Sensors, read the PASS DOOR SW MUX circuit
Is the voltage above 4.6 volts?All
Ye s®Replace the Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Disconnect the Passenger Door Lock Switch connector.
Disconnect the Body Control Module C3 connector.
Measure the resistance between Door Lock Switch Mux circuit and ground.
Is the resistance below 1000.0 ohms?All
Ye s®Repair the Door Lock Switch Mux circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
749
POWER DOOR LOCKS/RKE

TEST ACTION APPLICABILITY
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
750
POWER DOOR LOCKS/RKE
PASSENGER DOOR LOCK SWITCH INPUT SHORT ÐContinued

Symptom:
PASSENGER DOOR LOCK SWITCH INPUT STUCK
When Monitored and Set Condition:
PASSENGER DOOR LOCK SWITCH INPUT STUCK
When Monitored: At all times when battery power is supplied to the Body Control
Module.
Set Condition: When the BCM senses voltage to the door lock switch between 1.3 and
3.25 for over 10 seconds.
POSSIBLE CAUSES
DTC PRESENT
BODY CONTROL MODULE - PASSENGER DOOR LOCK SWITCH VOLTAGE INCORRECT
DOOR LOCK SWITCH GROUND OPEN
DOOR LOCK SWITCH MUX OPEN
DOOR LOCK SWITCH STUCK
TEST ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC's.
Cycle the ignition ON to OFF.
With the DRBIIIt, read DTCs.
Operate the door lock several times from the Passenger Door Lock Switch while
monitoring the DRBIII.
Does the DRBIIItdisplay PASS DOOR LOCK SW INPUT STUCK?All
Ye s®Go To 2
No®Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIItin Sensors, read the PASS DOOR LOCK SW voltage.
Does the DRBIIItdisplay voltage between 1.3 and 3.25 volts?All
Ye s®Go To 3
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Passenger Door Lock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?All
Ye s®Go To 4
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
751
POWER DOOR LOCKS/RKE