The brake hold system keeps the brake applied when the shift lever in any position other than P or R with the system on and the brake pedal has been depressed to stop the vehicle. The system releases the brake when the accelerator pedal is depressed with the shift lever in any position other than P or N to allow smooth start off.
Turns the brake hold system on
The brake hold standby indicator (green) comes on. While the system is holding the brake, the brake hold operated indicator (yellow) comes on.
■Brake hold system operating conditions
The brake hold system cannot be turned on in the following conditions:
If any of the conditions above are detected when the brake hold system is enabled, the system will turn off and the brake hold standby indicator light will go off. In addition, if any of the conditions are detected while the system is holding the brake, a warning buzzer will sound and a message will be shown on the multi-information display. The parking brake will then be set automatically.
■Brake hold function
In this case, a warning buzzer sounds and a message is shown on the multi-information display.
■When the parking brake is set automatically while the system is holding the brakes With the brake pedal depressed, release the parking brake by operating the parking brake switch, making sure that the parking brake indicator light goes off.
■If "Brake Hold Fault Depress Brake to Deactivate Visit Your Dealer" is displayed on the multi-information display The system may be malfunctioning. Have the vehicle inspected by your Toyota dealer.
■Warning messages and buzzers Warning messages and buzzers are used to indicate a system malfunction or to inform the driver of the need for caution. If a warning message is shown on the multi-information display, read the message and follow the instructions.
■When the vehicle is on a steep incline When using the brake hold system on a steep incline exercise caution. The brake hold function may not hold the vehicle in such a situation.
■When stopped on a slippery road The system cannot stop the vehicle when the gripping ability of the tires has been exceeded. Do not use the system when stopped on a slippery road.
■When parking the vehicle The brake hold system is not designed for use when parking the vehicle for a long period of time. Turning the engine switch off while the system is holding the brake may release the brake, which would cause the vehicle to move. When operating the engine switch, depress the brake pedal, shift the shift lever to P and set the parking brake.
Toyota CH-R Service Manual > Main Body Ecu: Installation
INSTALLATION
PROCEDURE
1. INSTALL MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
NOTICE:
Make sure that the connecting surfaces are free of foreign matter.
Do not touch the main body ECU (multiplex network body ECU) connector.
(a) Set the main body ECU (multiplex network bod ...
Toyota CH-R Service Manual > Can Communication System: Check Bus 1 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 23 (CA1H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 8 (CA1L) of the central
gateway ECU (network gateway ECU) and ...