warning CHRYSLER VOYAGER 2001 Service Manual

Symptom:
*CHIME INOPERATIVE
POSSIBLE CAUSES
CHIME DRIVER CIRCUIT - OPEN
CHIME DRIVER CIRCUIT - SHORT TO GROUND
CHIME DRIVER CIRCUIT - SHORT TO VOLTAGE
INSTRUMENT CLUSTER
BCM
TEST ACTION APPLICABILITY
1 With the DRBIIIt, actuate the CHIME. (BCM actuator)
Does chime sound a warning?All
Ye s®Test Complete.
No®Go To 2
2 Disconnect the Instrument Cluster harness connector(s).
Disconnect the BCM harness connector(s).
Using a 12-volt test light connected to 12-volts, check the chime driver circuit for a
short to ground.
Does the test light illuminate brightly?All
Ye s®Repair the chime driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 3
3 Disconnect the Instrument Cluster harness connector(s).
Disconnect the BCM harness connector(s).
Using a DVOM connected to ground, check the chime driver circuit for a short to
voltage.
Is the voltage above 5.0 volts?All
Ye s®Repair the chime driver circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Reconnect the BCM if disconnected in previous step.
Disconnect the Instrument Cluster harness connectors.
Using a 12-volt test light connected to 12-volts, check the chime driver circuit at the
Instrument Cluster connector.
With the DRBIIIt, actuate the CHIME. (BCM actuator)
Does the test light illuminate ON and OFF?All
Ye s®Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
334
CHIME

Symptom:
*PROBLEM WITH THE HIGH VEHICLE SPEED WARNING CHIME
POSSIBLE CAUSES
INCORRECT COUNTRY CODE PROGRAMMED IN BCM
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Note: The high speed warning chime is for Gulf Coast Countries only.
With the DRBIIItin Miscellaneous check the Body Control Module country code
setting.
Is the country code incorrect?All
Ye s®Program the correct country code setting.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
337
CHIME

POSSIBLE CAUSES
INTERMITTENT CONDITION
TEST ACTION APPLICABILITY
1NOTE: For this code to be active, the DRB will not be able to communicate
with any modules on the vehicle (except the PCM).
NOTE: If this code is set and active it will be necessary to perform the PCI
Bus Communication Failure symptom.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring
harnesses. This is to try and duplicate the complete bus failure condition.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
341
COMMUNICATION
BCM, PCI BUS SHORTED TO BATTERY ÐContinued

Symptom:
*NO RESPONSE FROM LEFT SIACM
POSSIBLE CAUSES
INTERROGATE FCM
GROUND CIRCUIT OPEN
SIACM RUN/START DRIVER CIRCUIT OPEN
PCI BUS CIRCUIT OPEN
LEFT SIDE IMPACT AIRBAG CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, check the FCM for any DTC's.
Are any FCM DTC's present?All
Ye s®Refer to the appropriate category and perform the symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.
No®Go To 2
2Ensure that the battery is fully charged.
Warning: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Left Side Impact Airbag Control Module harness connector.
Measure the resistance between ground and both Ground circuits.
Is the resistance below 5.0 ohms for both measurements?All
Ye s®Go To 3
No®Repair the Ground circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
Note: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
3Warning: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Left Side Impact Airbag Control Module harness connector.
Turn the ignition on and then reconnect the Battery.
Measure the voltage of the SIACM Run/Start Driver circuit.
Is the voltage above 6.0 volts?All
Ye s®Go To 4
No®Repair the SIACM Run/Start Driver circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
Note: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
406
COMMUNICATION

TEST ACTION APPLICABILITY
4NOTE: Ensure there is PCI bus communication with other modules. If not,
refer to the PCI Bus Communication Failure symptom and repair as
necessary.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Left Side Impact Airbag Control Module harness connector.
Turn the ignition on and then reconnect the Battery.
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, then enter to select channel.
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 Left Side Impact Airbag Control Module connector.
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 5
No®Repair the PCI Bus circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
5 If there are no possible causes remaining, view repair. All
Ye s®Replace the Left Side Impact Airbag Control Module (LSIACM) in
accordance with the Service Information. WARNING: Make sure
the battery is disconnected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
407
COMMUNICATION
*NO RESPONSE FROM LEFT SIACM ÐContinued

Symptom:
*NO RESPONSE FROM ORC
POSSIBLE CAUSES
CHECKING FOR VOLTAGE AT ORC
ORC GROUND CIRCUIT OPEN
PCI BUS CIRCUIT OPEN
OCCUPANT RESTRAINT CONTROLLER
TEST ACTION APPLICABILITY
1NOTE: Check the FCM for DTC's. If DTC's are present, go to the appropriate
category and perform the DTC.
Ensure that the battery is fully charged.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Occupant Restraint Controller harness connector.
Turn the ignition on and then reconnect the Battery.
Using a 12-volt test light connected to ground, probe the ORC Run Only Driver
Circuit and the ORC Run/Start Driver Circuit at the ORC connector.
NOTE: One open circuit will not cause a NO RESPONSE condition.
Is the test light illuminated on both circuits?All
Ye s®Go To 2
No®Repair the ORC Run Only Driver and ORC Run/Start Driver
circuits for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
NOTE: When reconnecting airbag system components, the ignition must be
turned off and the battery must be disconnected.
2Ensure that the battery is fully charged.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Occupant Restraint Controller harness connector.
Measure the resistance between ground and the ground circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Ground circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
When reconnecting Airbag system components, the ignition must be turned
off and the battery must be disconnected.
408
COMMUNICATION

TEST ACTION APPLICABILITY
3Note: Ensure there is PCI bus communication with other modules. If not,
refer to the PCI Bus Communication Failure symptom and repair as
necessary.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Occupant Restraint Controller harness connector.
Turn the ignition on and then reconnect the Battery.
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, then enter to select channel.
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 Occupant Restraint Controller connector.
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 4
No®Repair the PCI Bus circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
4 If there are no possible causes remaining, view repair. All
Repair
Replace the Occupant Restraint Controller (ORC) in accordance
with the Service lnformation. WARNING: Make sure the battery
is disconnected and wait 2 minutes before proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
409
COMMUNICATION
*NO RESPONSE FROM ORC ÐContinued

Symptom:
*NO RESPONSE FROM RIGHT SIACM
POSSIBLE CAUSES
INTERROGATE FCM
GROUND CIRCUIT OPEN
SIACM RUN/START DRIVER CIRCUIT OPEN
PCI BUS CIRCUIT OPEN
RIGHT SIDE IMPACT AIRBAG CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, check the FCM for any DTC's.
Are any FCM DTC's present?All
Ye s®Refer to the appropriate category and perform the symptom.
Perform AIRBAG VERIFICATION TEST - VER 1.
No®Go To 2
2Ensure that the battery is fully charged.
Warning: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Right Side Impact Airbag Control Module harness connector.
Measure the resistance between ground and the Ground circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Ground circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
Note: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
3Warning: TURN IGNITION OFF, DISCONNECT THE BATTERY AND WAIT
TWO MINUTES BEFORE PROCEEDING.
Disconnect the Right Side Impact Airbag Control Module harness connector.
Turn the ignition on and then reconnect the Battery.
Measure the voltage of the SIACM Run/Start Driver circuit.
Is the voltage above 6.0 volts?All
Ye s®Go To 4
No®Repair the SIACM Run/Start Driver circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
Note: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
418
COMMUNICATION

TEST ACTION APPLICABILITY
4NOTE: Ensure there is PCI bus communication with other modules. If not,
refer to the PCI Bus Communication Failure symptom and repair as
necessary.
WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Right Side Impact Airbag Control Module harness connector.
Turn the ignition on and then reconnect the Battery.
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.
Select DRB Standalone.
Select lab scope.
Select Live Data.
Select 12 volt square wave.
Press F2 for Scope, then enter to select channel.
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 Right Side Impact Airbag Control Module connector.
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 5
No®Repair the PCI Bus circuit for an open.
Perform AIRBAG VERIFICATION TEST - VER 1.
5 If there are no possible causes remaining, view repair. All
Ye s®Replace the Right Side Impact Airbag Control Module (RSIACM)
in accordance with the Service Information. WARNING: Make
sure the battery is disconnected and wait 2 minutes before
proceeding.
Perform AIRBAG VERIFICATION TEST - VER 1.
419
COMMUNICATION
*NO RESPONSE FROM RIGHT SIACM ÐContinued

POSSIBLE CAUSES
CHECK FOR ACTIVE HVAC DTCS, & COOLDOWN TEST & DOOR RECALIBRATION MESSAGES
STORED CODE(S) TEST COMPLETE
TEST ACTION APPLICABILITY
1NOTE: Active codes must be resolved before diagnosing stored codes.
NOTE: Anytime a code becomes active during this test, proceed to the
conclusion question.
Turn the ignition on.
With the DRBIIIt, record and erase stored HVAC DTC's.
Cycle the ignition switch.
Start the engine.
Monitor the DRBIIItfor active HVAC DTCs while performing the following test
steps.
Manually press the A/C - Heater Control power switch on.
Turn the front blower motor control switch knob to the low position.
If equipped, turn the rear blower motor control switch knob to the low position.
Set the passenger blend control switch to the full cold position.
If equipped, set the zone/driver blend control switch to the full cold position.
Turn the mode select switch knob to the panel position.
Manually press the recirculation mode switch on, wait 30 seconds then press it off.
Manually press the A/C mode switch on, wait 30 seconds then press it off.
Manually press the rear window defogger switch on, wait 30 seconds then press it off.
Manually sweep the passenger blend control switch from full cold to full hot then
back to full cold.
If equipped, manually sweep the zone/driver blend control switch from full cold to full
hot then back to full cold.
Manually sweep the front blower motor control switch knob through all positions.
If equipped, manually sweep the rear blower motor control switch knob through all
positions.
If equipped, turn the rear blower motor control switch knob to the rear position.
If equipped, on the Rear Blower Rear Control, manually sweep the rear blower motor
control switch knob through all positions.
If equipped, on the Rear Blower Rear Control, manually sweep the rear blend/mode
control switch knob from full cold to full hot then back to full cold.
With the DRBIIIt, actuate the AC Cooldown Test.
With the DRBIIIt, actuate the HVAC Door Recalibration Test.
Place the vehicle on a hoist, and raise the wheels off the floor.
WARNING: Be sure to keep hands and feet clear of rotating wheels. Keep
clear of the engine's moving parts
Start the engine. Place the transmission in drive. Brake off.
Does the DRBIIItdisplay any active HVAC DTC(s), Cooldown Test or Door Recali-
bration message(s)?All
Ye s®Return to the symptom list and choose the symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
No®No problem found at this time.
Perform BODY VERIFICATION TEST - VER 1.
518
HEATING & A/C
A/C FAULT (STORED) - MANUAL A/C ÐContinued