LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Heating & A/C System >> Driver Blend Door Range Too Large (AZC) (Active)

Driver Blend Door Range Too Large (AZC) (Active)

Test 1 - 2:




Test 3 - 5:






SYMPTOM
DRIVER BLEND DOOR RANGE TOO LARGE (AZC) (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 greater than expected.

POSSIBLE CAUSES
- Check the AZC module for DTCs
- Driver circuit (B) shorted to ground
- Driver circuit (A) shorted to ground
- Driver blend door motor
- Driver blend door motor
- Check blend door linkage
- AZC module