ENGINE SYSTEMS
TAB LE O F CO NTE NTS
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BATTERY SYSTEM ......................... 1
CHARGING SYSTEM....................... 17
STARTING SYSTEM ....................... 28
BAT T ERY SY ST EM
TABLE OF CONTENTS
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BATTERY SYSTEM
DESCRIPTION ..........................1
OPERATION ............................2
DIAGNOSIS AND TESTING - BATTERY
SYSTEM .............................2
CLEANING .............................5
INSPECTION ...........................6
SPECIAL TOOLS
BATTERY SYSTEM SPECIAL TOOLS .......6
BATTERY
DESCRIPTION ..........................6
OPERATION ............................7
DIAGNOSIS AND TESTING - BATTERY .......7
STANDARD PROCEDURE
STANDARD PROCEDURE - BATTERY
CHARGING ...........................8
STANDARD PROCEDURE - OPEN-CIRCUIT
VOLTAGE TEST ........................9
STANDARD PROCEDURE - IGNITION-OFF
DRAW TEST . . . . . . . . . . . . . . . . . . . . . . . . . 10
STANDARD PROCEDURE - USING MICRO
420 BATTERY TESTER .................11
STANDARD PROCEDURE - CHECKING
BATTERY ELECTROLYTE LEVEL . . . . . . . . . 12
REMOVAL
UNDER HOOD BATTERY REMOVAL . . . . . . . 12
AUXILIARY BATTERY REMOVAL . . . . . . . . . . 13
INSTALLATION
UNDER HOOD BATTERY INSTALLATION . . . 13
AUXILIARY BATTERY INSTALLATION . . . . . . 13
BATTERY HOLDDOWN
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 13
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 14
BATTERY CABLES
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 14
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
DIAGNOSIS AND TESTING - BATTERY
CABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 16
BATTERY TRAY
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 16
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 16
BAT T ERY SY ST EM
DESCRIPTION
A sin gle 12-volt battery is sta ndard factory-in -
st alled equipm ent on this model. Some veh icles are
equipped with a secon d auxilia ry ba tter y for runnin g
additional electrical equ ipment. The sta ndard battery
is loca ted in the en gin e compar tment, while t he au x-
iliary battery (if equipped) is located u nder the pas-
senger s front seat. Th e ba ttery system for this
vehicle covers the following relat ed componen ts,
which are covered in furth er detail later in this sec-
tion of t he service m anua l:
• Battery - The 12v storage batt ery(s) provides a
reliable m eans of storing a ren ewable source of elec-
trical energy within the vehicle.
• Battery Cables - The ba tter y cables connect
the battery t erminal posts t o the vehicle elect rica l
system.
• Battery Holddown - The ba ttery holddown
hardwa re secur es t he bat tery in the batt ery tray in
the engine com pa rtmen t.
• Battery Tray - Th e ba tter y tra y provides a
secure mounting location in the vehicle for the bat-
tery and an anch or poin t for th e battery holddown
hardware.
VA ENGINE SYSTEMS 8F - 1