2001 CHRYSLER VOYAGER Service Manual

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Page 361 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
*CABIN HEATER INOPERABLE FROM A/C - HEATER MODULE
POSSIBLE CAUSES
DCHA ACTIVATION CRITERIA NOT MET
ATTEMPT TO COMMUNICATE WITH THE FCM AND THE HVAC MODULE
FCM OR HAVC DTCS PRESENT
VERIFY DCHA

Page 362 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3WARNING: DO NOT OPERATE THE DCHA IN AN ENCLOSED AREA SUCH
AS A GARAGE THAT DOES NOT HAVE EXHAUST VENTILATION FACILI-
TIES. ALWAYS VENT THE DCHAs EXHAUST WHEN OPERATING THE

TEST ACTION APPLICABILITY
3WARNING: DO NOT OPERATE THE DCHA IN AN ENCLOSED AREA SUCH
AS A GARAGE THAT DOES NOT HAVE EXHAUST VENTILATION FACILI-
TIES. ALWAYS VENT THE DCHA's EXHAUST WHEN OPERATING THE
DCHA. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN
PERSONAL INJURY OR DEATH.
Turn the ignition on.
With the DRBIIIt, check for FCM and HVAC DTCs.
Does the DRBIIItdisplay any FCM or HVAC DTCs?All
Ye s®For FCM DTCs, return to the symptom list and choose the
symptom(s). Also, refer to Intelligent Power Module for related
symptom(s). For HVAC DTCs, refer to Heater & A/C for related
symptom(s).
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No®Go To 4
4WARNING: DO NOT OPERATE THE DCHA IN AN ENCLOSED AREA SUCH
AS A GARAGE THAT DOES NOT HAVE EXHAUST VENTILATION FACILI-
TIES. ALWAYS VENT THE DCHA's EXHAUST WHEN OPERATING THE
DCHA. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN
PERSONAL INJURY OR DEATH.
Start the engine.
Allow the engine to idle.
Turn the A/C - Heater Control Module's Power switch on.
Turn the Blower switch to the high speed position.
CAUTION: Do not activate the Diesel Cabin Heater Test with the engine off.
Failure to follow these instructions may result in internal damage to the
DCHA Heater Module.
NOTE: Do not disconnect the vehicle's battery or the DCHA's main power
supply while the DCHA is in operation or in run-down mode. Failure to
follow these instructions may result in excess emissions from the DCHA
during heater operation.
With the DRBIIItin HVAC, Systems Tests, select Diesel Cabin Heater Test and press
#1.
With the DRBIIItin HVAC, Systems Tests, Diesel Cabin Heater Test, read the Cabin
Heater Status.
Does the Status display: On?All
Ye s®Replace the FCM in accordance with the Service Information.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No®Replace the A/C - Heater Control Module in accordance with the
Service Information.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
333
CABIN HEATER
*CABIN HEATER INOPERABLE FROM A/C - HEATER MODULE Ð
Continued

Page 363 of 4284

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

Page 364 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
5 Disconnect the Instrument Cluster harness connectors.
Disconnect the BCM harness connector(s).
Measure the resistance of the chime driver circuit between the Instrument Clu

Page 365 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
*KEY IN IGNITION AND DRIVERS DOOR OPEN CHIME NOT
OPERATING PROPERLY
POSSIBLE CAUSES
DRIVER DOOR AJAR STATUS
IGNITION SWITCH
BODY CONTROL MODULE
TEST ACTION APPLICABILITY
1 Open the driver do

Page 366 of 4284

CHRYSLER VOYAGER 2001 Service Manual 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

Page 367 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
ATC MESSAGES NOT RECEIVED
When Monitored and Set Condition:
ATC MESSAGES NOT RECEIVED
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition: The BCM does not rec

Page 368 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
AUDIO MESSAGES NOT RECEIVED
When Monitored and Set Condition:
AUDIO MESSAGES NOT RECEIVED
When Monitored: With the ignition in run, and the IOD fuse installed.
Set Condition: The BCM does not

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