2003 JEEP GRAND CHEROKEE Driver Heated Seat Back

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Page 319 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual DIAGNOSIS AND TESTING - DOOR MODULE
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOS

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JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual PRELIMINARY TEST
Before testing the individual components in the
heated seat system, check the following:
²If the heated seat switch LED indicators do not
light with the ignition switch in the On pos

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JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (2) Remove the center lower bezel from the instru-
ment panel. Refer toInstrument Panel Center
Lower Bezelin the Body section of this manual for
the procedure.
(3) Remove the four screws that secure t

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JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual DIAGNOSIS AND TESTING - HEATED SEAT
ELEMENT
RESISTOR WIRE ELEMENT
(1) Disconnect and isolate the battery negative
cable. The power seat wire harness connectors for the
seat cushion and seat back heati

Page 386 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual HEATED SEAT SENSOR
DESCRIPTION
The heated seat temperature sensor is a Negative
Temperature Coefficient (NTC) thermistor. One tem-
perature sensor is used for each seat. This tempera-
ture sensor is l

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JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual POWER SEAT SYSTEM
TABLE OF CONTENTS
page page
POWER SEAT SYSTEM
DESCRIPTION
DESCRIPTION........................18
DESCRIPTION - MEMORY SYSTEM.......19
OPERATION
OPERATION - POWER SEAT SYSTEM.....20
OP

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JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual ²Ten-way power drivers and passenger seats
with Memory- This power seat option is standard
on Overland models and optional on Limited models.
This option includes a six-way adjustable seat cush-
ion

Page 706 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual 8W-12 JUNCTION BLOCK
Component PageA/C Compressor Clutch Relay................8W-12-18
Accessory Delay Relay.....................8W-12-25
Adjustable Pedals Module..................8W-12-11
Airbag Cont
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