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3. Discharge measures for drive battery
If the drive battery is damaged or the vehicle is submerged, perform discharge measures as follows.
WARNING:
• When servicing the high voltage components, be sure to wear an insulating protective equipment and remove the
service plug in order to shut off the high voltage.
• Fresh water should be poured into the drive battery as soon as possible for the following reasons.
• Prevention of the generation of large amount of flammable hydrogen gas due to excessive electrolysis
If salty water enters the inside of the drive battery due to the vehicle being submerged, a large amount of
flammable hydrogen gas may be generated due to excessive electrolysis. Therefore, prevent the excessive
electrolysis by pouring fresh water inside the drive battery.
• Prevention of overheating and ignition due to short circuits inside the drive battery
If a small amount of water enters the drive battery, there is a possibility of abnormal heating or ignition due to
an internal short circuit. Pouring fresh water into the drive battery prevents these troubles by discharging the
high-voltage electricity and cooling the inside of the drive battery.
How to discharge measures by water injection
1) Turn off the power supply mode of the power switch. (Refer to 2-1.)
2) Move the vehicle to a level, well-ventilated outdoor place.
3) Open all doors and tailgate to prevent fires caused by flammable hydrogen gas.
4) Remove the service plug. (Refer to 3-7.)
5) To disconnect the drive battery cable (P, N line) connections, perform the following procedures. For the
work procedures, refer to the workshop manual.
a) Remove the front seat assembly (LH/RH).
b) Remove the console finisher.
c) Remove the selector lever.
d) Remove the instrument panel centre (A).
e) Remove the instrument panel ornament (passenger’s side).
f) Remove the combination meter bezel.
g) Remove the instrument panel centre (B).
h) Remove the instrument panel garnish assembly.
i) Remove the A/C controller panel.
j) Remove the glove box.
k) Remove the floor console garnish (LH/RH).
l) Remove the floor console panel.
m) Remove the floor console rear assembly.
n) Remove the instrument panel lower assembly.
o) Remove the floor console side cover (LH/RH).
p) Remove the front scuff plate (LH/RH).
q) Remove the dash side finisher (LH/RH).
r) Remove the centre pillar lower garnish (LH/RH).
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