Chrysler Voyager. Manual — part 202
Symptom:
PASS BLEND DOOR NOT RESPONDING (ACTIVE)
When Monitored and Set Condition:
PASS BLEND DOOR NOT RESPONDING (ACTIVE)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set if the ATC does not receive feedback pulses within 5
seconds of the drive voltage being applied.
POSSIBLE CAUSES
PASSENGER BLEND DOOR DRIVER CIRCUIT (A) SHORTED TO GROUND
PASSENGER BLEND DOOR DRIVER CIRCUIT (B) SHORTED TO GROUND
PASSENGER BLEND DOOR DRIVER CIRCUITS (A) AND (B) SHORTED TOGETHER
PASSENGER BLEND DOOR DRIVER CIRCUIT (A) OPEN
PASSENGER BLEND DOOR DRIVER CIRCUIT (B) OPEN
ATC
PASSENGER BLEND DOOR ACTUATOR
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the ATC C1 harness connector.
Measure the resistance between ground and the Passenger Blend Door Driver (A)
circuit.
Is the resistance above 100k ohms?
All
Yes
→ Go To 2
No
→ Repair the Passenger Blend Door Driver (A) circuit for a short to
ground.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the ATC C1 harness connector.
Measure the resistance between ground and the Passenger Blend Door Driver (B)
circuit.
Is the resistance above 100k ohms?
All
Yes
→ Go To 3
No
→ Repair the Passenger Blend Door Driver (B) circuit for a short to
ground.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
235
AUTOMATIC TEMPERATURE CONTROL
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Passenger Blend Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance between the Passenger Blend Door Driver (A) and (B)
circuits.
Is the resistance above 100k ohms?
All
Yes
→ Go To 4
No
→ Repair the Passenger Blend Door Driver (A) and (B) circuits for a
short together.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
4
Turn the ignition off.
Disconnect the Passenger Blend Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance of the Passenger Blend Door Driver (A) circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the Passenger Blend Door Driver (A) circuit for an open.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Disconnect the Passenger Blend Door Actuator harness connector.
Disconnect the ATC C1 harness connector.
Measure the resistance of the Passenger Blend Door Driver (B) circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Repair the Passenger Blend Door Driver (B) circuit for an open.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Disconnect the ATC C1 harness connector.
Measure the resistance between the Passenger Blend Door Driver (A) and (B)
circuits.
Is the resistance between 26.0 and 46.0 ohms?
All
Yes
→ Replace the ATC.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
7
If there are no possible causes remaining, view repair.
All
Repair
Replace the Passenger Blend Door Actuator.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
236
AUTOMATIC TEMPERATURE CONTROL
PASS BLEND DOOR NOT RESPONDING (ACTIVE) —
Continued
Symptom:
PASS BLEND DOOR TRAVEL TOO LARGE (ACTIVE)
When Monitored and Set Condition:
PASS BLEND DOOR TRAVEL TOO LARGE (ACTIVE)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set when the ATC monitors the travel range during system
initialization and the measured range is greater than expected.
POSSIBLE CAUSES
CHECK THE ATC FOR DTCS
PASSENGER BLEND DOOR ACTUATOR
PASSENGER BLEND DOOR LINKAGE
ATC
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, read the active ATC DTCs.
Is the PASSENGER BLEND DOOR NOT RESPONDING DTC set?
All
Yes
→ Return to the symptom list and choose the symptom.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Turn the ignition off.
Remove the Passenger Blend Door Actuator.
By hand, attempt to rotate the Passenger Blend Door Actuator in both directions.
Did the blend door actuator turn in either direction?
All
Yes
→ Replace the Passenger Blend Door Actuator.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Remove the Passenger Blend Door Actuator. Rotate the blend door (door only). Note:
This should rotate approximately 45 degrees from stop to stop.
Inspect the blend door linkage for excessive wear or missing linkage.
Were any mechanical problems found?
All
Yes
→ Repair or replace the blend door/linkage as necessary.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the ATC.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
237
AUTOMATIC TEMPERATURE CONTROL
Symptom:
PASS BLEND DOOR TRAVEL TOO SMALL (ACTIVE)
When Monitored and Set Condition:
PASS BLEND DOOR TRAVEL TOO SMALL (ACTIVE)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set when the ATC monitors the travel range during system
initialization and the measured range is less than expected.
POSSIBLE CAUSES
CHECK THE ATC FOR DTCS
ATC
OBSTRUCTED BLEND DOOR
PASSENGER BLEND DOOR ACTUATOR
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, read the active ATC DTCs.
Is the PASSENGER BLEND DOOR NOT RESPONDING DTC set?
All
Yes
→ Return to the symptom list and choose the symptom.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
Turn the ignition off.
Disconnect the Passenger Blend Door Actuator harness connector.
Connect a 12-volt Test Light between the Passenger Blend Door Driver (A) and (B)
circuits in the Passenger Blend Door Actuator harness connector.
Turn the ignition on.
While monitoring the test light, press the passenger blend control to change the
setting from lo to hi.
Note: Observe test light for approximately 30 seconds.
Does the test light start to flash and stay flashing?
All
Yes
→ Go To 3
No
→ Replace the ATC.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
238
AUTOMATIC TEMPERATURE CONTROL
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