Sienna FWD V6-3.3L (3MZ-FE) (2006)
Control Assembly: Customer Interest
A/C - Front/Rear Temperature Differential
HEATING & AIR CONDITIONING
AC001-06
Title:
FRONT & REAR HEATER
TEMPERATURE DIFFERENCE IN LOW
AMBIENT CONDITIONS
Models:
'04 - '06 Sienna CE & LE w/Manual A/C
January 13, 2006
Introduction
Some customers of 2004 - 2006 model year Sienna vehicles with rear heater may experience a difference in the vent outlet temperature of the rear roof
vents when compared to the front center vents in low ambient temperatures. Improved HVAC control logic has been developed to address this concern.
Applicable Vehicles
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2004 - 2006 model year Sienna CE and LE vehicles with manual A/C produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Warranty Information
Applicable Warranty*:
This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from
the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Parts Information
Repair Procedure
1.
Remove the instrument cluster finish panel center No. 1.
2.
Remove the instrument cluster finish panel center No. 2.