Toyota Coaster 2015 Owner's Manual page 111

Positive
terminal
("+" mark)
Positive
terminal
("+" mark)
Discharged
battery
Booster battery
4. Make the cable connections in the or-
der a, b, c, d.
a. Connect the clamp of the positive
(red) jumper cable to the positive (+)
terminal on the discharged battery.
b. Connect the clamp at the other end
of the positive (red) jumper cable to
the positive (+) terminal on the booster
battery.
104
Jumper cable
Discharged
battery
c. Connect the clamp of the negative
(black) jumper cable to the negative (−)
terminal on the booster battery.
d. Connect the clamp at the other end
of the negative (black) jumper cable to
a solid, stationary, unpainted, metallic
point of the vehicle with the discharged
battery.
The recommended connecting point is
shown in the following illustration:
Jumper cable
Booster
Negative terminal
battery
("−" mark)
Connecting point
Do not connect the cable to or near
any part that moves when the engine
is cranked.
CAUTION
When making the connections, to
avoid death or serious injury, do not
lean over the battery or accidentally
let the jumper cables or clamps touch
anything except the correct battery
terminals or the ground.