’01 4Runner_U (L/O 0008)
—Checking battery fluid
Battery recharging precautions
During recharging, the battery is pro-
ducing hydrogen gas.
NOTICE
Type A
Clear or
light yellow
z Be sure the engine and all accesso-
ries are off before performing main-
tenance.
Therefore, before recharging:
Green
Dark
1. If recharging with the battery installed
on the vehicle, be sure to disconnect
the ground cable.
z When checking the battery, remove
the ground cable from the negative
terminal (“−” mark) first and rein-
stall it last.
Type B
Blue
2. Be sure the power switch on the re-
charger is off when connecting the
charger cables to the battery and when
disconnecting them.
White
Red
z Be careful not to cause a short cir-
cuit with tools.
CAUTION
z Take care no solution gets into the
battery when washing it.
CHECKING BY HYDROMETER
D Always charge the battery in an un-
confined area. Do not charge the
battery in a garage or closed room
where there is not sufficient ventila-
tion.
Check the battery condition by the
hydrometer color.
Hydrometer color
Condition
D Only do
a
slow charge (5
A
or
Type A
Type B
less). Charging at a quicker rate is
dangerous. The battery may ex-
plode, causing personal injuries.
Green
Blue
Good
Charging necessary.
Have battery
Dark
White
Red
checked by your
Toyota dealer.
Clear or
light
yellow
Have battery
checked by your
Toyota dealer.
2001 4RUNNER (OM35768U)
259