2006 Chrysler Town and Country

Tiny
BOB121861
  • MEMBER
  • 2006 CHRYSLER TOWN AND COUNTRY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 35,000 MILES
AC in front is not cool. No temp drop on front driver side vent. Slight temp drop in front passenger side vent. Much better temp drop on either side rear vents.

Van has auto temp control.

Could it be a control module, temp sensor, ?

Checked fuses and blower relays - ok

Any ideas?
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Saturday, July 18th, 2009 AT 10:25 PM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
The blend door actuators are connected to the A/C-heater control through the vehicle electrical system by a dedicated two-wire lead and connector of the HVAC wire harness. The blend door actuator(s) can move the blend-air door(s) in two directions. When the A/C-heater control pulls the voltage on one side of the motor connection high and the other connection low, the blend-air door will move in one direction. When the A/C-heater control reverses the polarity of the voltage to the motor, the blend-air door moves in the opposite direction.
When the A/C-heater control makes the voltage to both connections high or both connections low, the blend-air door stops and will not move.
The A/C-heater control uses a feedback signal positioning system to monitor the operation and relative position of the blend door actuator(s) and the blend-air door(s). The A/C-heater control learns the blend-air door stop positions during the calibration procedure and will store a diagnostic trouble code (DTC) for any problems it detects in the blend door actuator circuits.
The blend door actuators are diagnosed using a DRBIII scan tool. Refer to the appropriate diagnostic information.
The blend door actuators cannot be adjusted or repaired and, if faulty or damaged, they must be replaced.
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Saturday, July 18th, 2009 AT 11:26 PM

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