Chrysler Pacifica 2004 Service Manual page 2011

8G - 6 HEATED SEAT SYSTEM
HEATED SEAT SYSTEM
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . 6
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
DIAGNOSIS AND TESTING - HEATED SEAT
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
DRIVER HEATED SEAT SWITCH
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 10
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DIAGNOSIS AND TESTING - DRIVER HEATED
SEAT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . 10
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 11
HEATED SEAT ELEMENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 11
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DIAGNOSIS AND TESTING - HEATED SEAT
ELEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 11
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 12
HEATED SEAT SENSOR - FRONT SEATS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 12
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
DIAGNOSIS AND TESTING - HEATED SEAT
SENSOR - FRONT SEATS
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
HEATED SEAT SENSOR - 2ND ROW SEATS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 13
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DIAGNOSIS AND TESTING - HEATED SEAT
SENSOR - 2ND ROW SEATS
HEATED SEAT SYSTEM
DESCRIPTION
Vehicles with the heated seat option can be visu-
ally identified by the two heated seat switches
located in the front door trim panels. A second set of
heated seat switches are located in the rear seat cen-
ter console. The front door trim panel mounted
switches control the front seats, while the rear con-
sole mounted switches control the second row seats.
The heated seat system allows the driver, front seat
passenger and 2nd row seat passengers to select from
two different levels of electrical seat heating (HI/LO).
The heated seat system for this vehicle includes the
following major components, which are described in
further detail later in this section:
HEATED SEAT SYSTEM
TABLE OF CONTENTS
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HEATED SEAT MODULE - FRONT SEATS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 13
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DIAGNOSIS AND TESTING - HEATED SEAT
MODULE - FRONT SEATS
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 15
HEATED SEAT MODULE - 2ND ROW SEATS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 15
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
DIAGNOSIS AND TESTING - HEATED SEAT
MODULE - 2ND ROW SEATS
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 16
HEATED SEAT SWITCHES - 2ND ROW SEATS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 16
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DIAGNOSIS AND TESTING - HEATED SEAT
SWITCHES - 2ND ROW SEATS
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 18
PASSENGER HEATED SEAT SWITCH
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 18
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
DIAGNOSIS AND TESTING - PASSENGER
HEATED SEAT SWITCH . . . . . . . . . . . . . . . . . 18
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 19
• Heated Seat Elements - Eight heated seat ele-
ments are used per vehicle, two for each heated seat.
Two heated seat elements are integral to each seat,
one in the seat back and the other in the seat cush-
ion. All heated seat cushion elements contain integral
heated seat sensors.
• Heated Seat Modules - Two heated seat mod-
ules are used per vehicle. A Memory Heated Seat
Adjustable Pedal Module (MHSAPM) is mounted
under the drivers seat cushion pan. This module con-
trols the two front heated seats as well as other vehi-
cle functions. A second heated seat module is located
in the 2nd row seat center console and it is used to
control the 2nd row heated seats. Refer to memory
heated seat adjustable pedal module in the Electronic
Control Modules section for additional information.
CS
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