Get When trouble arises -> If the EV system will not start Guide for Toyota bZ4X SUV Second Generation (2025-2026)

537

8-2. Steps to take in an emergency

If the EV system will

not start

NOTICE

●Do not put the repair kit directly

onto dusty ground such as sand

at the side of the road. If the

repair kit vacuums up dust, etc.,

a malfunction may occur.

Reasons for the EV system

not starting vary depending

on the situation. Check the

following and perform the

appropriate procedure:

●Make sure the sealant bottle of

the repair kit is in a vertical posi-

tion. The repair kit does not

operate properly when it is laid.

■Precautions for the emer-

The EV system will not

start even though the cor-

rect starting procedure is

being followed (P.231)

gency tire puncture repair kit

●The repair kit power source

should be 12 V DC suitable for

vehicle use. Do not connect the

repair kit to any other source.

●Place the repair kit in a storage

to prevent it from being exposed

to dirt or water.

One of the following may be the

cause of the problem:

 The charging cable may be

connected to the vehicle.

(P.102)

●Store the repair kit in the lug-

gage compartment out of reach

of children.

●Do not disassemble or modify

the repair kit. Do not subject

parts such as the air pressure

indicator to impacts. This may

cause a malfunction.

 The electronic key may not be

functioning properly.^*

(P.539)

 The traction battery may be

completely discharged.

Charge the traction battery.

(P.98)

■To avoid damage to the tire

pressure warning valves and

transmitters

When a tire is repaired with liquid

sealants, the tire pressure warn-

ing valve and transmitter may not

operate properly. If a liquid seal-

ant is used, contact your Toyota

dealer or other qualified service

shop as soon as possible. After

use of liquid sealant, make sure to

replace the tire pressure warning

valve and transmitter when repair-

ing or replacing the tire. (P.476)

 There may be a malfunction

in the immobilizer system.^*

(P.68)

 There may be a malfunction

in the shift control system.^*

(P.233, 525)

 The EV system may be mal-

functioning due to an electri-

cal problem such as

electronic key battery deple-

tion or a blown fuse. However,

Owners Manual_USA_M42C01_en

538

8-2. Steps to take in an emergency

depending on the type of mal-

function, an interim measure

is available to start the EV

system. (P.538)

problem cannot be repaired, or if

repair procedures are unknown.

Starting the EV system in

an emergency

 There is a possibility that the

temperature of the traction

battery is extremely low

When the EV system does not

start, the following steps can be

used as an interim measure to

start the EV system if the power

switch is functioning normally.

(approximately below -22°F [-

30°C]). (P.77, 232)

: It may not be possible to shift the

shift position from P

Do not use this starting proce-

dure except in cases of emer-

gency.

The interior lights and

headlights are dim, or the

horn does not sound or

sounds at a low volume

1 Set the parking brake.

2 Turn the power switch to

ACC.^*

One of the following may be the

cause of the problem:

3 Press and hold the power

switch for about 15 seconds

while depressing the brake

pedal firmly.

 The 12-volt battery may be

discharged. (P.541)

 The 12-volt battery terminal

connections may be loose or

corroded. (P.468)

After pressing the power switch for

a while, a message regarding 12-

volt battery control will be dis-

played, however continuing press-

ing the switch.

The interior lights and

headlights do not turn on,

or the horn does not

sound

Even if the EV system can be

started using the above steps,

the system may be malfunction-

ing. Have the vehicle inspected

by your Toyota dealer.

One of the following may be the

cause of the problem:

: Setting can be customized.

(P.571)

 The 12-volt battery may be

discharged. (P.541)

 One or both of the 12-volt bat-

tery terminals may be discon-

nected. (P.468)

Contact your Toyota dealer if the

Owners Manual_USA_M42C01_en

When trouble arises -> If the EV system will not start for Your Toyota bZ4X SUV Second Generation (2025-2026)

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