Dodge Viper SRT-10 (ZB). Manual — part 331
TEST
ACTION
APPLICABILITY
5
Turn the ignition off.
Disconnect the A/C - Heater Control Module C2 harness connector.
Disconnect the applicable door actuator harness connector.
Measure the resistance of the Common Door Driver circuit between the applicable
door actuator harness connector and the A/C - Heater Control Module C2 harness
connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the applicable door actuator in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Common Door Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Remove the applicable door actuator from the A/C - Heater Housing Assembly.
Disconnect the door actuator harness connector.
By hand, attempt to rotate the door actuator in both directions.
Inspect the A/C - Heater Housing Assembly for missing and broken actuator linkage.
Inspect the linkage and the actuator for broken and missing teeth.
Check the doors for binding and loss of full range.
Is the door actuator, the linkage, and the door in good condition and functioning
correctly?
All
Yes
→ Replace the A/C - Heater Control Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair as necessary in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
217
HEATING & A/C
BLEND CALIBRATION FAULT —
Continued
Symptom List:
BLEND OVERCURRENT (ACTIVE)
MODE 1 OVERCURRENT (ACTIVE)
MODE 2 OVERCURRENT (ACTIVE)
RECIRC OVERCURRENT (ACTIVE)
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be BLEND OVERCURRENT (AC-
TIVE).
When Monitored and Set Condition:
BLEND OVERCURRENT (ACTIVE)
When Monitored:
When actuator movement is requested.
Set Condition:
This DTC will set if the A/C - Heater Control Module detects an excessive
current draw on any of the door driver circuits while attempting to drive this actuator.
Only one overcurrent DTC can set per ignition cycle.
MODE 1 OVERCURRENT (ACTIVE)
When Monitored:
When actuator movement is requested.
Set Condition:
This DTC will set if the A/C - Heater Control Module detects an excessive
current draw on any of the door driver circuits while attempting to drive this actuator.
Only one overcurrent DTC can set per ignition cycle.
MODE 2 OVERCURRENT (ACTIVE)
When Monitored:
When actuator movement is requested.
Set Condition:
This DTC will set if the A/C - Heater Control Module detects an excessive
current draw on any of the door driver circuits while attempting to drive this actuator.
Only one overcurrent DTC can set per ignition cycle.
RECIRC OVERCURRENT (ACTIVE)
When Monitored:
When actuator movement is requested.
Set Condition:
This DTC will set if the A/C - Heater Control Module detects an excessive
current draw on any of the door driver circuits while attempting to drive this actuator.
Only one overcurrent DTC can set per ignition cycle.
POSSIBLE CAUSES
RUN THE ACTUATOR CIRCUIT TEST
218
HEATING & A/C
TEST
ACTION
APPLICABILITY
1
View repair
All
Repair
With the DRBIII
t in HVAC, System Tests, actuate the Actuator
Circuit Test. Read the Actuator Circuit Test message(s). Return to
the symptom list and choose the symptom(s).
If two or more drivelines are shorted together when running the
Actuator Ckt Test, the DRBIII
t may display Actuator Ckt Test
Passed even though Overcurrent DTCs are active. If this occurs,
refer to symptom Act Ckt Test Passed, Overcurrent DTCs Active.
Perform BODY VERIFICATION TEST - VER 1.
219
HEATING & A/C
BLEND OVERCURRENT (ACTIVE) —
Continued
Symptom:
DEFOG RELAY CONTROL CKT SHORTED TO BATT
When Monitored and Set Condition:
DEFOG RELAY CONTROL CKT SHORTED TO BATT
When Monitored:
With the ignition on and the EBL switch depressed.
Set Condition:
This DTC will set when the A/C Heater Control Module senses excessive
current draw on the Rear Window Defogger Relay Control Circuit.
POSSIBLE CAUSES
DEFOG RELAY CONTROL CKT SHORTED TO BATT
TEST
ACTION
APPLICABILITY
1
View repair.
All
Repair
Refer to symptom Defog Relay Control Ckt Shorted to Batt in the
Electrically Heated Systems Category.
Perform BODY VERIFICATION TEST - VER 1.
220
HEATING & A/C
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