2001 CHRYSLER VOYAGER Service Manual

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Page 321 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
RECIRC DOOR TRAVEL TOO LARGE (ACTIVE)
When Monitored and Set Condition:
RECIRC DOOR TRAVEL TOO LARGE (ACTIVE)
When Monitored: Ignition in RUN and IOD fuse installed.
Set Condition: This DTC i

Page 322 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Remove the Recirculation Door Actuator. Rotate the recirculation door (door only).
Note: This should rotate approximately 45 degrees from stop to stop.
Inspect the recircul

Page 323 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
RECIRC DOOR TRAVEL TOO SMALL (ACTIVE)
When Monitored and Set Condition:
RECIRC DOOR TRAVEL TOO SMALL (ACTIVE)
When Monitored: Ignition in RUN and IOD fuse installed.
Set Condition: This DTC i

Page 324 of 4284

Page 325 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom List:
CABIN HEATER PRE-TEST
CABIN HEATER CONTROL CIRCUIT OPEN (STORED)
CABIN HEATER CONTROL CIRCUIT SHORT TO BATTERY
(STORED)
Test Note: All symptoms listed above are diagnosed using the same

Page 326 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
2WARNING: 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

Page 327 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
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 DCHAs EXHAUST WHEN OPERATING THE

TEST ACTION APPLICABILITY
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.
WARNING: ALLOW THE DCHA ASSEMBLY TO COOL BEFORE PERFORM-
ING A COMPONENT INSPECTION/REPAIR/REPLACEMENT. FAILURE TO
FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
NOTE: The DCHA Control will store up to three DTCs in its memory.
NOTE: If the DCHA Control detects a new fault in the DCHA system, one
that is not already stored in its memory, the DCHA Control will clear the
oldest of the three stored DTCs, and it will store the new fault's DTC.
NOTE: If the DCHA control detects a reoccurrence of a stored fault, the
DCHA control will overwrite that fault's DTC with the most recent occur-
rence.
Turn the ignition on.
Set the Blend Control to the max cool position.
Turn the A/C - Heater Control Module's Power switch off.
With the DRBIIIt, record and erase Cabin Heater and FCM DTCs.
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 DCHA Field Mode 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 Cabin Heater, Systems Tests, select Field Mode and press Enter.
Set the Blend Control to the max heat position. Upon completion of the Field Mode
Test, proceed as follows:
With the DRBIIIt, read Cabin Heater and Active FCM DTCs.
Turn the Blower switch off and turn the A/C - Heater Control Module's Power switch
off.
Turn the engine off.
Are any DTCs present?All
Ye s®Return to the symptom list and choose the DTC(s). Diagnose and
repair all FCM faults prior to diagnosing DCHA faults. If DTC
B1813 Heater In Lockout Mode reset with other DTC(s), reset the
heater before diagnosing the other DTC(s).
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No®Go To 5
5 Is the symptom Cabin Heater inoperable from the A/C - Heater Module? All
Ye s®Refer to symptom *Cabin Heater Inoperable From A/C - Heater
Module in the Cabin Heater category.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No®Let DCHA cool. Inspect fuel line, intake & exhaust, & coolant
hoses for restrictions, obstructions, loose clamps, leakage, etc.
Check connectors. Clean & repair as necessary. Refer to Service
Manual for additional symptom based diagnosis, if necessary.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
298
CABIN HEATER
CABIN HEATER PRE-TEST ÐContinued

Page 328 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
B1000 CONTROL UNIT ERRONEOUS
When Monitored and Set Condition:
B1000 CONTROL UNIT ERRONEOUS
When Monitored: During DCHA activation.
Set Condition: This DTC will set if a fault occurs with the

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