2001 CHRYSLER VOYAGER light

Symptom:
*NO RESPONSE FROM OVERHEAD CONSOLE
POSSIBLE CAUSES
GROUND CIRCUIT OPEN
IGNITION SWITCH OUTPUT CIRCUIT OPEN
FUSED B+ CIRCUIT OPEN
OPEN PCI BUS CIRCUIT
OVERHEAD CONSOLE
TEST ACTION APPLICABILITY
1NOTE: 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.
Turn the ignition off.
Disconnect the Overhead Console harness connector.
Measure the resistance between ground and the ground circuit (cav 4).
Is the resistance below 5.0 ohms?All
Ye s®Go To 2
No®Repair the ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
2NOTE: 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.
Turn the ignition off.
Disconnect the Overhead Console harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Ignition Switch Output
circuit.
Is the test light illuminated?All
Ye s®Go To 3
No®Repair the Ignition Switch Output circuit for an open. Refer to the
wiring diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
3NOTE: 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.
Turn the ignition off.
Disconnect the Overhead Console harness connector.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit.
Is the test light illuminated?All
Ye s®Go To 4
No®Repair the Fused B+ circuit for an open. Refer to the wiring
diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
410
COMMUNICATION

Symptom:
*NO RESPONSE FROM RADIO
POSSIBLE CAUSES
NO RESPONSE FROM RADIO
OPEN FUSED ACCESSORY RELAY OUTPUT CIRCUIT
OPEN FUSED B+ CIRCUIT
RADIO GROUND CIRCUIT OPEN
OPEN PCI BUS CIRCUIT
RADIO
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Note: As soon as one or more module communicates with the DRB, answer
the question.
With the DRB, attempt to communicate with the Airbag Control Module (ACM).
With the DRB, attempt to communicate with the Body Control Module (BCM).
Was the DRB able to I/D or establish communications with either of the modules?All
Ye s®Go To 2
No®Refer to the Communications category and perform the symptom
PCI Bus Communication Failure.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Radio C1 harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused Accessory Relay
Output circuit.
Is the test light illuminated?All
Ye s®Go To 3
No®Check fuse #5 in the IPM for an open. If ok, repair the Fused
Accessory Relay Output circuit for an open or short. Refer to the
wiring diagrams located in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Radio C1 harness connector.
Using a 12-volt test light connected to ground, probe the Fused B+ circuit.
Is the test light illuminated?All
Ye s®Go To 4
No®Check fuse #14 in the IPM for an open. If ok, repair the Fused B+
circuit for an open or short. Refer to the wiring diagrams located
in the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
416
COMMUNICATION

Symptom:
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE
POSSIBLE CAUSES
NO RESPONSE FROM TRANSMISSION CONTROL MODULE
FCM OUTPUT (RUN/ST) CIRCUIT OPEN
IGNITION SWITCH OUTPUT (START) CIRCUIT OPEN
FUSED B(+) CIRCUIT OPEN
GROUND CIRCUIT(S) OPEN
OPEN PCI BUS CIRCUIT
TRANSMISSION CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Note: As soon as one or more module communicates with the DRB, answer
the question.
With the DRB, attempt to communicate with the Airbag Control Module (ACM).
With the DRB, attempt to communicate with the Body Control Module (BCM).
Was the DRB able to I/D or establish communications with either of the modules?All
Ye s®Go To 2
No®Refer to the Body Communication category and perform the
symptom PCI Bus Communication Failure.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the TCM harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the FCM Output (Run/St)
circuit.
Note: The light must illuminate brightly, if it does not light, or lights dimly,
the circuit must be repaired. If there is any doubt, compare the brightness
when testing the circuit, to the brightness when connected directly to the
battery positive post.
Is the test light illuminated?All
Ye s®Go To 3
No®Repair the FCM Output (Run/St) circuit for an open. Refer to the
wiring diagrams location in the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
420
COMMUNICATION

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the TCM harness connector.
Remove the starter relay from the IPM.
Using a 12-volt test light connected to ground, probe the Ignition Switch Output
(Start) circuit.
Note: The light must illuminate brightly, if it does not light, or lights dimly,
the circuit must be repaired. If there is any doubt, compare the brightness
when testing the circuit, to the brightness when connected directly to the
battery positive post.
Observe the test light while momentarily turning the ignition switch to the Start
position.
Is the test light illuminated?All
Ye s®Go To 4
No®Repair the Ignition Switch Output (Start) circuit for an open.
Refer to the wiring diagrams located in the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Note: Reinstall the original Starter Relay.
4 Turn the ignition off.
Disconnect the TCM harness connector.
Using a 12-volt test light connected to ground, probe the Fused B(+) circuit.
Note: The light must illuminate brightly, if it does not light, or lights dimly,
the circuit must be repaired. If there is any doubt, compare the brightness
when testing the circuit, to the brightness when connected directly to the
battery positive post.
Is the test light illuminated?All
Ye s®Go To 5
No®Check IPM fuse #15 for an open. If OK, repair the Fused B(+)
circuit for an open. Refer to the wiring diagrams located in the
Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the TCM harness connector.
Using a 12-volt test light connected to 12-volts, probe each ground circuit in the TCM
connector.
NOTE: The light must illuminate brightly, if it does not light, or lights dimly,
the circuit must be repaired. If there is any doubt, compare the brightness
when testing the circuit, to the brightness when connected directly to the
battery negative post.
Is the light illuminated at all ground circuits?All
Ye s®Go To 6
No®Repair the Ground circuit(s) for an open. Check the main ground
connection to engine block and/or chassis. Refer to the wiring
diagrams located in the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
421
COMMUNICATION
*NO RESPONSE FROM TRANSMISSION CONTROL MODULE 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