reset CHRYSLER VOYAGER 2001 Service Manual

Symptom:
PCI INTERNAL HARDWARE FAILURE
POSSIBLE CAUSES
PCI INTERNAL HARDWARE FAILURE
TEST ACTION APPLICABILITY
1 Connect the DRB to the Data Link Connector.
Turn the ignition on.
With the DRB, erase BCM DTC's.
Turn the ignition off then turn the ignition on.
With the DRB, read BCM DTC's.
Did this DTC reset?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
366
COMMUNICATION

Symptom:
PCM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
PCM MESSAGES NOT RECEIVED
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition: The BCM does not receive any messages from the PCM for at least 5
seconds.
POSSIBLE CAUSES
PCM MESSAGE NOT RECEIVED
ATTEMPT TO COMMUNICATE WITH THE PCM
PCI BUS CIRCUIT OPEN
POWERTRAIN CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, enter Instrument Cluster, System Tests then PCM Monitor.
Does the DRB display: PCM is active on BUS?All
Ye s®Erase the DTC, if DTC resets, replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 2
2 Turn the ignition on.
With the DRB, attempt to communicate with the PCM.
Was the DRB able to communicate with the PCM?All
Ye s®Go To 3
No®Refer to the communication category and perform the appropriate
symptom.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the PCM C2 harness connector.
Connect the diagnostic junction port tester #8339 to the diagnostic junction port.
Note: Do not connect the tester to the DRB.
Measure the resistance of the PCI Bus circuit between the diagnostic junction port
tester and the PCM C2 connector.
Is the resistance below 5.0 ohms?All
Ye s®Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No®Repair the PCI Bus circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
367
COMMUNICATION

Symptom:
RADIO MEM MSG NOT RECEIVED
When Monitored and Set Condition:
RADIO MEM MSG NOT RECEIVED
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition:
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE RADIO
CHECK THE MEMORY SYSTEM
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, attempt to communicate with the Radio.
Was the DRB able to I/D or communicate with the Radio?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition on.
Operate the memory seat system.
Did the memory seat system operate properly?All
Ye s®Go To 3
No®Refer to the Memory Seat category and perform the appropriate
symptom.
Perform BODY VERIFICATION TEST - VER 1.
3 With the DRB, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC's.
Did this DTC reset?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
368
COMMUNICATION

Symptom:
RIGHT PSD MESSAGES NOT RECEIVED
When Monitored and Set Condition:
RIGHT PSD MESSAGES NOT RECEIVED
When Monitored: When the Body Control Module is awake.
Set Condition: The BCM does not sense a response from the Right Power Sliding Door
Module.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE RIGHT SLIDING DOOR CONTROL MODULE
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, attempt to communicate with the Right Sliding Door Control Module.
Was the DRB able to I/D or communicate with the Right Sliding Door Control
Module?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRB, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC's.
Did this DTC reset?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
369
COMMUNICATION

Symptom:
SKIM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
SKIM MESSAGES NOT RECEIVED
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition: The BCM does not receive any messages from the Sentry Key Immobilizer
Module (SKIM) for at least 5 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE SENTRY KEY IMMOBILIZER MODULE
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, attempt to communicate with the SKIM.
Was the DRB able to I/D or communicate with the SKIM?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRB, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC's.
Did this DTC reset?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
371
COMMUNICATION

Symptom:
TCM MESSAGES NOT RECEIVED
When Monitored and Set Condition:
TCM MESSAGES NOT RECEIVED
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition: The BCM does not receive any messages from the Transmission Control
Module (TCM) for at least 5 seconds.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE TCM
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, attempt to communicate with the Transmission Control Module.
Was the DRB able to I/D or communicate with the TCM?All
Ye s®Go To 2
No®Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRB, erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC's.
Did this DTC reset?All
Ye s®Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
372
COMMUNICATION

TEST ACTION APPLICABILITY
4 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 DTC's.
Does the DTC reset?All
Ye s®Go To 5
No®Replace the Rear Defogger Relay.
Perform BODY VERIFICATION TEST - VER 1.
5 Turn the ignition off.
Disconnect the Front Control Module from the Fuse and Relay Center.
Remove the Rear Window Defogger Relay.
Measure the resistance of the Rear Window Defogger Relay Control Circuit in the
Fuse and Relay Center.
Is the resistance below 5.0 ohms?All
Ye s®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Fuse and Relay Center.
Perform BODY VERIFICATION TEST - VER 1.
441
ELECTRICALLY HEATED SYSTEMS
EBL RUN ONLY RELAY OPEN ÐContinued

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

ZONE OVERCURRENT (ACTIVE) - MANUAL A/C
When Monitored: When actuator movement is requested.
Set Condition: All (Blend, Mode, Recirc, and Zone) Overcurrent DTCs will set if the A/C
- Heater Control Module detects an excessive current draw on the Common Door Drive
circuit(s).
POSSIBLE CAUSES
MODE DOOR ACTUATOR SHORTED
RECIRCULATION DOOR ACTUATOR SHORTED
PASSENGER BLEND DOOR ACTUATOR SHORTED
DRIVER BLEND DOOR ACTUATOR SHORTED
DOOR DRIVER CIRCUIT SHORTED TO GROUND
DOOR DRIVER CIRCUITS SHORTED TOGETHER
A/C - HEATER CONTROL MODULE
REAR BLEND DOOR ACTUATOR SHORTED
REAR MODE DOOR ACTUATOR SHORTED
REAR A/C HEATER UNIT WIRING HARNESS SHORTED
TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Mode Door Actuator harness connector.
Turn the ignition on.
With the DRB, erase the HVAC DTCs.
Cycle the ignition switch from off to on and monitor the HVAC DTCs. Note: make
sure the active DTCs are erased at this time.
Slowly turn the mode door knob through each of it's different positions. Perform this
step a few times.
Turn the mode door knob to the Panel, Bi-level, or Floor position.
Press and release the recirculation button. Perform this step a few times.
Slowly slide the front temperature control levers (if equipped with dual or three zone,
slide all front levers) from hot to cold and back to hot. Perform this step a few times.
Slowly turn the rear blend/mode door knob from hot to cold and back to hot (if
equipped with rear A/C). Perform this step a few times.
With the DRB, read the active HVAC DTCs.
Did the overcurrent DTCs reset?All
Ye s®Go To 2
No®Replace the Mode Door Actuator in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
527
HEATING & A/C
BLEND OVERCURRENT (ACTIVE) - MANUAL A/C ÐContinued

TEST ACTION APPLICABILITY
2 Turn the ignition off.
Disconnect the Recirculation Door Actuator harness connector.
Turn the ignition on.
With the DRB, erase the HVAC DTCs.
Cycle the ignition switch from off to on and monitor the HVAC DTCs. Note: make
sure the active DTCs are erased at this time..
Slowly turn the mode door knob through each of it's different positions. Perform this
step a few times.
Turn the mode door knob to the Panel, Bi-level, or Floor position.
Press and release the recirculation button. Perform this step a few times.
Slowly slide the front temperature control levers (if equipped with dual or three zone,
slide all front levers) from hot to cold and back to hot. Perform this step a few times.
Slowly turn the rear blend/mode door knob from hot to cold and back to hot (if
equipped with rear A/C). Perform this step a few times.
With the DRB, read the active HVAC DTCs.
Did the overcurrent DTCs reset?All
Ye s®Go To 3
No®Replace the Recirculation Door Actuator in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition off.
Disconnect the Passenger Blend Door Actuator harness connector.
Turn the ignition on.
With the DRB, erase the HVAC DTCs.
Cycle the ignition switch from off to on and monitor the HVAC DTCs. Note: make
sure the active DTCs are erased at this time..
Slowly turn the mode door knob through each of it's different positions. Perform this
step a few times.
Turn the mode door knob to the Panel, Bi-level, or Floor position.
Press and release the recirculation button. Perform this step a few times.
Slowly slide the front temperature control levers (if equipped with dual or three zone,
slide all front levers) from hot to cold and back to hot. Perform this step a few times.
Slowly turn the rear blend/mode door knob from hot to cold and back to hot (if
equipped with rear A/C). Perform this step a few times.
With the DRB, read the active HVAC DTCs.
Did the overcurrent DTCs reset?All
Ye s®Go To 4
No®Replace the Passenger Blend Door Actuator in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
528
HEATING & A/C
BLEND OVERCURRENT (ACTIVE) - MANUAL A/C ÐContinued