As these procedures may affect the SRS air bags, it is necessary to read the SRS airbag precautions.
While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed with the door courtesy switch on. Therefore during servicing of the brake system components, do not operate the brake pedal and open/close the doors while the auxiliary battery is connected.
Do not operate the electric parking brake switch with the auxiliary battery connected, unless otherwise instructed in the procedures.
Make sure that the electric parking brake AUTO function is off. This is necessary to prevent the system from activating when the shift position is moved.
Before disconnecting the auxiliary battery cable or other connectors, prevent DTCs from being output by following the procedures below.
Turn off the electric parking brake AUTO function.
Press the parking switch with the power switch turned on (IG) to activate the parking lock.
Operate the electric parking brake switch assembly to release the parking brake.
Turn the power switch off.
Do not operate the parking brake.
Wait 30 seconds or more.
After replacing or inspecting the parking brake shoe or rear disc, perform parking brake bedding.
When servicing the brake system, make sure its parts and surrounding parts are clean.
RELEASE PARKING BRAKE
With the power switch on (IG), operate the electric parking brake switch to release the parking brake. Then turn the power switch off.
If the parking brake cannot be released, follow the procedures when using SST to release the parking brake.
PRECAUTIONS WHEN WORKING ON VEHICLE
If the vehicle needs to be tilted after stopping the vehicle on a level surface, press the electric parking brake switch twice, as the braking force may be insufficient.
Press the electric parking brake twice to apply the parking brake with the maximum braking force.
The parking brake ECU assembly generates braking force according to the road surface while the vehicle is stopped by calculating the road grade based on the signal from the deceleration sensor to control the motor drive current.
PRECAUTIONS FOR TOWING VEHICLES