Chrysler Voyager. Manual — part 218
TEST
ACTION
APPLICABILITY
6
WARNING: 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.
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.
On MTC, set the Blend control to the max cool position.
On ATC, set the Driver temperature control to LO (max cool).
Turn the ATC’s or MTC’s Power switch off.
With the DRBIII
t, erase Cabin Heater DTCs.
Start the engine.
Allow the engine to idle.
Turn the ATC’s or MTC’s Power switch on.
Turn the Blower control to the high speed position.
CAUTION: Do not activate the DCHA Field Mode Test with the engine off.
Failure to follow these manuals 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 DRBIII
t in Cabin Heater, Systems Tests, select Field Mode and press Enter.
The test will run for approx 8.5 minutes.
On MTC, set the Blend control to the max heat position. Upon completion of the Field
Mode Test, proceed as follows:
On ATC, set the Driver temperature control to HI (max heat). Upon completion of the
Field Mode Test, proceed as follows:
With the DRBIII
t, read Cabin Heater and Active FCM DTCs.
Turn the Blower control off and turn the ATC’s or MTC’s Power switch off.
Turn the engine off.
Are any DTCs present?
All
Yes, B1811 & B1813 reset
Replace the DCHA Heater Module in accordance with the Service
Information.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
Yes, B1811 Cleared, Other DTC(s) Present
Return to the symptom list and choose the DTC(s).
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No
→ Test Complete.
299
CABIN HEATER
B1811 HEATER OVERHEATED —
Continued
Symptom:
B1813 HEATER IN LOCKOUT MODE
When Monitored and Set Condition:
B1813 HEATER IN LOCKOUT MODE
When Monitored:
During DCHA activation.
Set Condition:
This DTC will set if six continuous attempts to start heater operation fail
due to one or more faults in the DCHA system.
POSSIBLE CAUSES
B1813 AND ADDITIONAL DTC(S) PRESENT
B1813 RESET, NO ADDITIONAL DTC(S) PRESENT
B1813 CLEARED, ADDITIONAL DTC(S) PRESENT
STORED DCHA DTC(S) TEST COMPLETE
TEST
ACTION
APPLICABILITY
1
WARNING: 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 ATC’s or MTC’s Power switch on.
Turn the Blower control to the high speed position.
On MTC, set the Blend control to the max heat position.
On ATC, set the Driver temperature control to HI (max heat).
Remove Cabin Heater Fuse #15 from the IPM for a minimum of five seconds, then
reinstall the fuse. The DCHA may attempt to start.
Turn the Blower control off and turn the ATC’s or MTC’s Power switch off.
Turn the engine off.
View repair
All
Repair
300
CABIN HEATER
TEST
ACTION
APPLICABILITY
2
WARNING: DO NOT OPERATE THE DCHA IN AN ENCLOSED AREA SUCH AS A
GARAGE THAT DOES NOT HAVE EXHAUST VENTILATION FACILITIES. AL-
WAYS VENT THE DCHA’s EXHAUST WHEN OPERATING THE DCHA. FAILURE
TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR
DEATH.
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 occurrence.
Turn the ignition on.
On MTC, set the Blend control to the max cool position.
On ATC, set the Driver temperature control to LO (max cool).
Turn the ATC’s or MTC’s Power switch off.
With the DRBIII
t, record and erase Cabin Heater DTCs.
Start the engine.
Allow the engine to idle.
Turn the ATC’s or MTC’s Power switch on.
Turn the Blower control to the high speed position.
CAUTION: Do not activate the DCHA Field Mode Test with the engine off.
Failure to follow these manuals 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 DRBIII
t in Cabin Heater, Systems Tests, select Field Mode and press Enter. The
test will run for approx 8.5 minutes.
On MTC, set the Blend control to the max heat position. Upon completion of the Field
Mode Test, proceed as follows:
On ATC, set the Driver temperature control to HI (max heat). Upon completion of the Field
Mode Test, proceed as follows:
With the DRBIII
t, read Cabin Heater and Active FCM DTCs.
Turn the Blower control off and turn the ATC’s or MTC’s Power switch off.
Turn the engine off.
Are any DTCs present?
All
Yes, B1813 & Other DTC(s) Present
Return to the symptom list and choose the additional DTC(s) first,
then diagnose B1813.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
Yes, B1813 Reset with No Other DTC(s)
Allow DCHA to cool. Inspect DCHA intake & exhaust pipes for
restrictions & obstructions. Repair as necessary. After repair,
repeat Test 2 of this procedure. If intake & exhaust pipes are Ok,
replace DCHA Heater Module in accordance with Service Info.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
Yes, B1813 Cleared, Other DTC(s) Present
Return to the symptom list and choose the DTC(s).
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No
→ Allow DCHA to cool. Inspect fuel line & coolant hoses for restric-
tions, obstructions, loose clamps, leakage, etc. Repair as neces-
sary. Check connectors. Clean & repair as necessary. Refer to
Service Manual for additional symptom diagnosis, if necessary.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
301
CABIN HEATER
B1813 HEATER IN LOCKOUT MODE —
Continued
Symptom:
B1820 DOSING PUMP CIRCUIT: OPEN OR SHORT TO BATTERY
When Monitored and Set Condition:
B1820 DOSING PUMP CIRCUIT: OPEN OR SHORT TO BATTERY
When Monitored:
With the ignition on.
Set Condition:
This DTC will set if the DCHA Control detects no-load voltage on the
Dosing Pump circuit output pin.
POSSIBLE CAUSES
DOSING PUMP CONTROL CIRCUIT SHORTED HIGH
DOSING PUMP CONTROL CIRCUIT OPEN
GROUND CIRCUIT OPEN
DOSING PUMP
DCHA CONTROL UNIT FAULT
TEST
ACTION
APPLICABILITY
1
WARNING: 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.
CAUTION: DO NOT PERFORM THIS TEST UNLESS DIRECTED HERE BY
THE CABIN HEATER PRE-TEST. ALWAYS PERFORM THE CABIN HEATER
PRE-TEST PRIOR TO PERFORMING ANY OTHER CABIN HEATER TEST
FOR THE RESULT TO BE VALID.
NOTE: If present, diagnose and repair DTC B1811 Heater Overheated and
any other conditions relating to overheating before diagnosing this DTC.
Turn the ignition off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Cabin Heater Assist C1 harness connector.
Turn the ignition on.
Measure the voltage between the Dosing Pump Control circuit and ground.
Is there any voltage present?
All
Yes
→ Repair the Dosing Pump Control circuit for a short to voltage.
Perform CABIN HEATER VERIFICATION TEST - VER 1.
No
→ Go To 2
302
CABIN HEATER
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст