2002 JEEP GRAND CHEROKEE Ignition switch

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (1) Connect the positive lead of the voltmeter to
the battery negative terminal post. Connect the neg-
ative lead of the voltmeter to the battery negative
cable terminal clamp (Fig. 19). Rotate and ho

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CHARGING
TABLE OF CONTENTS
page page
CHARGING
DESCRIPTION.........................24
OPERATION...........................24
DIAGNOSIS AND TESTING - CHARGING
SYSTEM............................24
SPECIF

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ²a faulty or improperly adjusted switch that
allows a lamp to stay on. Refer to Ignition-Off Draw
Test in 8, Battery for more information.
INSPECTION
The Powertrain Control Module (PCM) monitors
crit

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual STARTING
TABLE OF CONTENTS
page page
STARTING
DESCRIPTION.........................29
OPERATION...........................30
DIAGNOSIS AND TESTING - STARTING
SYSTEM............................30
SPECIF

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OPERATION
The starting system components form two separate
circuits. A high-amperage feed circuit that feeds the
starter motor between 150 and 350 amperes, and a
low-amperage control circuit that oper

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual Starting System Diagnosis
CONDITION POSSIBLE CAUSE CORRECTION
STARTER FAILS TO
OPERATE.1. Battery discharged or
faulty.1. Refer to Battery in the Diagnosis and Testing section of
Group 8A - Battery. C

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INSPECTION
For complete circuit diagrams, refer toStarting
Systemin the Contents of Group 8W - Wiring Dia-
grams. Before removing any unit from the starting
system for repair or diagnosis, perform the

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (b) If the voltage reads above 9.6 volts and the
current (amperage) draw reads below specifica-
tions, refer toFeed Circuit Testin this section.
(c) If the voltage reads 12.5 volts or greater and
the