CHRYSLER VOYAGER 2001 Service Manual

TEST ACTION APPLICABILITY
6Note: Ensure there is PCI Bus communication with other modules on the
vehicle before proceeding. If not, refer to the symptom list from the menu
and repair as necessary.
Disconnect the TCM harness connector.
Use Scope input cable CH7058, Cable to Probe adapter CH7062, and the red and
black test probes.
Connect the scope input cable to the channel one connector on the DRB. Attach the
red and black leads and the cable to probe adapter to the scope input cable.
With the DRBIIItselect Pep Module Tools.
Select lab scope.
Select Live Data.
Select 12 volt square wave.
Press F2 for Scope.
Press F2 and use the down arrow to set voltage range to 20 volts. Press F2 again
when complete.
Connect the Black lead to the chassis ground. Connect the Red lead to the PCI Bus
circuit in the TCM connector.
Turn the ignition on.
Observe the voltage display on the DRB Lab Scope.
Does the voltage pulse from 0 to approximately 7.5 volts?All
Ye s®Go To 7
No®Repair the PCI Bus circuit for an open.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
7 If there are no possible causes remaining, view repair. All
Repair
Replace the Transmission Control Module in accordance with the
Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
422
COMMUNICATION
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE ÐContinued

Symptom:
*PCI BUS COMMUNICATION FAILURE
POSSIBLE CAUSES
WITH THE DRB PERFORM A MODULE SCAN
OPEN PCI BUS CIRCUIT AT THE DATA LINK CONNECTOR
USING THE DRB, PERFORM THE PCI BUS CONTROL MODE
DISCONNECT THE MODULE(S) HARNESS CONNECTOR
PCI BUS CIRCUIT SHORTED TO VOLTAGE
DISCONNECT THE MODULE(S) HARNESS CONNECTOR
PCI BUS CIRCUIT SHORTED TO GROUND
WIRING HARNESS INTERMITTENT FAILURE
TEST ACTION APPLICABILITY
1Note: Determine which modules this vehicle is equipped with before begin-
ning.
Connect the Diagnostic Junction Port Tester #8339 to the DRB and to the Diagnostic
Junction Port.
Using the DRB, along with the Diagnostic Junction Port Tester #8339, select
Junction Port Tool then PCI Bus Module Scan and follow the instructions on the
DRB.
Was the DRB able to scan (I/D or communicate) with any modules?All
Ye s®Refer to the Communication category for the related symptom(s).
(Individual module no responses).
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Turn the ignition off.
Measure the resistance of the PCI Bus circuit between the Data Link Connector and
the Diagnostic Junction Port connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the PCI Bus circuit for an open between the DLC and the
Diagnostic Junction Port.
Perform BODY VERIFICATION TEST - VER 1.
423
COMMUNICATION

TEST ACTION APPLICABILITY
3Note: Determine which modules this vehicle is equipped with before begin-
ning.
Connect the Diagnostic Junction Port Tester #8339 to the DRB and to the Diagnostic
Junction Port.
Using the DRB, along with the Diagnostic Junction Port Tester #8339, select
Junction Port Tool then PCI Bus Control Mode and follow the instructions on the
DRB.
Note: Perform this function on each pin that is equipped with a PCI Bus
circuit.
Did the DRB display No Modules Responding from any of the pins that were
scanned?All
Ye s®Go To 4
No®Check the PCI Bus circuit between the DLC and the Diagnostic
Junction Port connector for a short to voltage or to ground, repair
as necessary.
Perform BODY VERIFICATION TEST - VER 1.
4 Disconnect the Diagnostic Junction Port Tester cable from the DRB. Keep the tester
connected to the Diagnostic Junction Port.
Turn the ignition on.
Measure the voltage of the PCI Bus circuit on the Diagnostic Junction Port Tester
that the DRB displayed No Modules Responding.
Is the voltage steadily above 7.0 volts?All
Ye s®Go To 5
No®Go To 6
5 Measure the voltage of the PCI Bus circuit on the Diagnostic Junction Port tester
that previously measured above 7.0 volts.
Note: Turn the ignition off before disconnecting any module harness
connector then turn the ignition on.
Disconnect the module harness connector(s). Note: If the problem occurred on pins 1,
3, 9 or 12 of the Diagnostic Junction Port tester, observe the voltmeter while
disconnecting each module connector one at a time.
Is the voltage steadily above 7.0 volts with the module(s) disconnected?All
Ye s®Repair the PCI Bus circuit that measured over 7.0 volts for a
short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the module that when disconnected the short to voltage
was eliminated.
Perform BODY VERIFICATION TEST - VER 1.
6 Disconnect the Diagnostic Junction Port Tester cable from the DRB. Keep the tester
connected to the Diagnostic Junction Port.
Turn the ignition off.
Disconnect the negative battery cable.
Measure the resistance between ground and the PCI Bus circuit on the Diagnostic
Junction Port Tester that the DRB displayed No Modules Responding.
Is the resistance below 100.0 ohms?All
Ye s®Go To 7
No®Go To 8
424
COMMUNICATION
*PCI BUS COMMUNICATION FAILURE ÐContinued

TEST ACTION APPLICABILITY
7 Disconnect the negative battery cable.
Measure the resistance between ground and the PCI Bus circuit at the Diagnostic
Junction Port tester that previously measured below 100.0 ohms.
Disconnect the module harness connector(s). Note: If the problem occurred on pins 1,
3, 9 or 12 of the Diagnostic Junction Port tester, observe the ohmmeter while
disconnecting each module connector one at a time.
Is the resistance below 100.0 ohms with the module(s) disconnected?All
Ye s®Repair the PCI Bus circuit that measured below 100.0 ohms for a
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the module that when disconnected the short to ground
was eliminated.
Perform BODY VERIFICATION TEST - VER 1.
8 Turn the ignition off.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Were any problems found?All
Ye s®Repair wiring harness/connectors as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
425
COMMUNICATION
*PCI BUS COMMUNICATION FAILURE ÐContinued

Symptom:
*HOOD AJAR CIRCUIT OPEN
POSSIBLE CAUSES
HOOD AJAR SWITCH GROUND CIRCUIT OPEN
INTERMITTENT CONDITION
HOOD AJAR SWITCH
HOOD AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 Open the Hood.
With the DRBIIItin Inputs/Outputs, read the HOOD 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 Hood 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 Hood Ajar Switch connector.
With the DRBIIItin Inputs/Outputs, read the HOOD AJAR SW state.
Connect a jumper wire between Sense circuit and the Ground circuit.
Does the DRBIIItdisplay HOOD AJAR SW: CLOSED?All
Ye s®Replace the Hood Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Disconnect the Body Control Module C3 harness connector.
Disconnect the Hood 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 Hood Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
426
DOOR AJAR

Symptom:
*HOOD AJAR CIRCUIT SHORTED TO GROUND
POSSIBLE CAUSES
HOOD AJAR SWITCH SHORTED TO GROUND
HOOD AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 With the DRBIIItin Inputs/Outputs, read the HOOD AJAR SW state.
Disconnect the Hood Ajar Switch harness connector.
With the DRBIIItin Inputs/Outputs, read the HOOD AJAR SW state.
Does the Switch State change from CLOSED to OPEN?All
Ye s®Replace the Hood Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Disconnect the Body Control Module C3 harness connector.
Disconnect the Hood Ajar Switch harness connector.
Using a 12-volt Test Light connected to 12-volts, test the Sense circuit for a short to
ground.
Does the Test Light illuminate?All
Ye s®Repair the Hood Ajar Switch Sense circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
427
DOOR AJAR

Symptom:
*LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN
POSSIBLE CAUSES
INTERMITTENT CONDITION
LEFT FRONT DOOR AJAR SWITCH GROUND CIRCUIT OPEN
LEFT FRONT DOOR LOCK MOTOR/AJAR SWITCH
LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 Open the driver door.
With the DRBIIItin Inputs/Outputs, read the DR 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 Left 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 Left Front Door Lock Motor/Ajar Switch connector.
With the DRBIIItin Inputs/Outputs, read the DR DOOR AJAR SW state.
Connect a jumper wire between Sense circuit and the Ground circuit.
Does the DRBIIItdisplay DR DOOR AJAR SW: CLOSED?All
Ye s®Replace the Left 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 Left 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 Left Front Door Ajar Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
428
DOOR AJAR

Symptom:
*LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORTED
TO GROUND
POSSIBLE CAUSES
LEFT FRONT DOOR LOCK MOTOR/AJAR SWITCH SHORTED TO GROUND
LEFT FRONT DOOR AJAR SWITCH SENSE CIRCUIT SHORTED TO GROUND
BODY CONTROL MODULE INTERNAL MALFUNCTION
TEST ACTION APPLICABILITY
1 With the DRBIIItin Inputs/Outputs, read the DR DOOR AJAR SW state.
Disconnect the Left Front Door Lock Motor/Ajar Switch harness connector.
With the DRBIIItin Inputs/Outputs, read the DR DOOR AJAR SW state.
Did the Switch State change from CLOSED to OPEN?All
Ye s®Replace the Left Front Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Disconnect the Body Control Module C3 harness connector.
Disconnect the Left Front Door Lock Motor/Ajar Switch harness connector.
Using a 12-volt Test Light connected to 12-volts, test the Sense circuit for a short to
ground.
Does the Test Light illuminate?All
Ye s®Repair the Left Front Door Ajar Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
429
DOOR AJAR

Symptom:
*LEFT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN
POSSIBLE CAUSES
GROUND CIRCUIT OPEN
LEFT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN
LEFT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN
BODY CONTROL MODULE INTERNAL MALFUNCTION
LEFT SLIDING DOOR LOCK MOTOR/AJAR SWITCH
TEST ACTION APPLICABILITY
1 Disconnect the Left Sliding Door Lock Motor/Ajar Switch harness connector at the
bottom of the door.
Connect a jumper wire between the Left Sliding Door Ajar Switch Sense circuit and
ground.
With the DRBIIItin Inputs/Outputs, read the LSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Go To 2
No®Go To 4
2 Reconnect the Left Sliding Door Lock Motor/Ajar Switch connector at the bottom of
the door.
Remove the door panel from the sliding door.
Disconnect the Left Sliding Door Lock Motor/Ajar Switch connector at the door
mechanism.
Connect a jumper wire between the Left Sliding Door Ajar Switch Sense circuit and
ground.
With the DRBIIItin Inputs/Outputs, read the LSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Go To 3
No®Repair the Left Sliding Door Lock Motor/Ajar Switch harness for
an open between the door mechanism and the intermediate
harness connector at the bottom of the door.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Left Sliding Door Lock Motor/Ajar Switch connector at the door
mechanism.
Connect a jumper wire between the Left Sliding Door Ajar Switch Sense circuit and
the Ground circuit.
With the DRBIIItin Inputs/Outputs, read the LSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Replace the Sliding Door Lock Motor/Ajar Switch.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
430
DOOR AJAR

TEST ACTION APPLICABILITY
4 Disconnect the Left Sliding Door Lock Motor/Ajar Switch harness connector at the
bottom of the sliding door.
Gain access to the BCM C3 connector.
Back probe a jumper wire from the Left Sliding Door Ajar Switch Sense circuit at the
BCM to ground.
With the DRBIIItin Inputs/Outputs, read the LSLIDE DR AJAR SW state.
Did the Switch State change from OPEN to CLOSED?All
Ye s®Repair the Left Sliding Door Ajar Switch Sense circuit for an open
between the intermediate connector and the Body Control Mod-
ule.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
431
DOOR AJAR
*LEFT SLIDING DOOR AJAR SWITCH SENSE CIRCUIT OPEN ÐContinued