Sienna AWD V6-3.3L (3MZ-FE) (2004)
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Seat Heater: All Technical Service Bulletins
A/C - Seat Heater Only Works On High Position
HEATING & AIR CONDITIONING
AC005-04
Title:
SEAT HEATER ONLY WORKS ON HIGH
Models:
'04 Sienna
September 20, 2004
TSB REVISION NOTICE:
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February 9, 2005: In steps 3E and 3F, the graphics have been updated to illustrate the correct terminal connectors.
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September 24, 2004: VINs have been updated in Production Change Information; pin locations and wire colors have been clarified.
Previous versions of this TSB should be discarded.
Introduction
Some 2004 model year Sienna vehicles may experience a concern where the driver and passenger seat heaters do not operate until the temperature
control switch is turned to the high position. The following repair procedure has been made available to correct this concern.
Applicable Vehicles
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2004 model year Sienna vehicles produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Required SSTs
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.
