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Blend actuator driver's side

Posted: Wed Sep 22, 2021 12:11 pm
by Jayramb
Anyone have a diagram of the auto hvac system? I'm having a hard time diagnosing why I have no heat on the passenger side. The passenger actuator was replaced. I'm thinking the driver's side blend door is shot.
Do you know of the part number?

Re: Blend actuator driver's side

Posted: Thu Sep 23, 2021 11:27 am
by harofreak00
Did you calibrate the HVAC motors after you replaced it?
Re-Calibrating Actuators
Calibration Procedure with a Scan Tool
  • Install a scan tool.
    Turn ON the ignition, with the engine OFF.
    With a scan tool, select Instrument Panel Module.
    Select Special Functions.
    Select Miscellaneous Test.
    Select Recalibrate all Motors.
    Select ON, wait 30 seconds.
    All counts will display zero and slowly the scan tool will begin to show counts.
Calibration Procedure without a Scan Tool
  • Turn OFF the ignition.
    Remove the battery positive voltage circuit fuse of the Instrument Panel Control Module.
    • Important - The module memory will not clear if the battery positive voltage circuit fuse is installed in less than 60 seconds.
    Wait 60 seconds.
    Install the fuse.
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Re: Blend actuator driver's side

Posted: Fri Sep 24, 2021 10:37 am
by Jayramb
I looked at the fuses, and the hvac solenoid isn't there. I would think that needs to be there since I have auto air.

Re: Blend actuator driver's side

Posted: Sat Sep 25, 2021 10:00 pm
by harofreak00
37 - HVAC BATT (10A)