Symptom:
PASS BLEND DOOR RANGE TOO SMALL (ACTIVE)
When Monitored and Set Condition:
PASS BLEND DOOR RANGE TOO SMALL (ACTIVE)
When Monitored:
Ignition in RUN and IOD fuse installed.
Set Condition:
This condition is set when the AZC monitors the travel range during
system initialization and the measured range is less than expected.
POSSIBLE CAUSES
CHECK THE AZC MODULE FOR DTCS
CHECK THE AZC SIGNAL TOO PASSENGER BLEND DOOR
OBSTRUCTED BLEND DOOR
PASSENGER BLEND DOOR MOTOR
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRB, read the active AZC DTC’s.
Is the Pass Blend Door Not Responding DTC set?
All
Yes
→
Refer to the Heating and A/C category and perform the symptom
Pass Blend Door Not Responding.
With the DRB, Reset Module after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
2
2
Turn the ignition off.
Disconnect the in-line C202 harness connector.
Connect a 12-volt Test Light across the passenger blend door driver (A) circuit and
the passenger blend door driver (B) circuit at the C202 harness connector (AZC
harness side).
Turn the ignition on.
While monitoring the test light, turn the passenger blend control knob 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 AZC Module.
With the DRB, Reset Module after repair/replacement is com-
pleted.
Perform BODY VERIFICATION TEST - VER 1.
319
HEATING & A/C