Toyota CH-R Service Manual: Precaution

Toyota CH-R Service Manual / Parking Brake / Electric Parking Brake System / Precaution

PRECAUTION

IGNITION SWITCH EXPRESSIONS

(a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section.

Expression	Ignition Switch (Position)	Engine Switch (Condition)
Ignition Switch off	LOCK	Off (Lock)
Ignition Switch ACC	ACC	On (ACC)
Ignition Switch ON	ON	On (IG)
Engine Start	START	On (Start)

TROUBLESHOOTING PRECAUTIONS

(a) When inspecting the rear brakes, disconnect the connector of the parking brake actuator assembly or disconnect the cable from the negative (-) battery terminal.

CAUTION:

Do not perform the rear brake inspection while either the parking brake actuator assembly connector or the negative (-) battery terminal are connected.
The rear disc brake piston could operate, resulting in an accident such as hands being caught.

(b) The electric parking brake may still operate up to 20 seconds after the ignition switch is turned off. Before disconnecting connectors or fuses, turn the ignition switch off and wait 20 seconds or more.

(c) If a component has been removed and installed, confirm that the system operates normally by checking for DTCs after installation has been completed.

HANDLING PRECAUTIONS

(a) When tilting the vehicle to perform work after parking the vehicle on a level surface, the braking force may not be sufficient. Make sure to pull the electric parking brake switch (electric parking brake switch assembly) to the lock side 2 times (2 lock operations).

HINT:

The electric parking brake system determines the amount of force used to operate the parking brake according to the tilt angle detected by the deceleration sensor (airbag sensor assembly).
When the parking brake indicator (red) is illuminated after the electric parking brake switch (electric parking brake switch assembly) has been pulled to the lock side, the maximum amount of braking force is applied if the electric parking brake switch (electric parking brake switch assembly) is pulled to the lock side one more time.

(b) The parking brake indicator light blinks (red) when the ignition switch is turned to ON after replacing the skid control ECU (brake actuator assembly). Operate the electric parking brake switch (electric parking brake switch assembly) to turn off the parking brake indicator light.

PRECAUTIONS FOR TOWING VEHICLES

(a) For towing precautions: Click here

PARKING BRAKE FORCED RELEASE METHOD

(a) For the parking brake forced release method.

for TMC Made
Click here
for TMMT Made
Click here

Electric Parking Brake System

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Parts Location

PARTS LOCATION ILLUSTRATION *1 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK - ABS-M ...

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