Electric Parking Brake Indicator Light
DESIGN/PURPOSE
- The electric parking brake indicator light warns the driver that the parking brake is engaged.
- The electric parking brake indicator light warns the driver of a malfunction in the electric parking brake system.
SYNCHRONIZATION WITH MASTER WARNING LIGHT
Applicable
OPERATION AT COMBINATION METER CAN COMMUNICATION CUT-OFF OR UNUSUAL SIGNAL
For actions on CAN communications blackout in the combination meter. Refer to
Fail-Safe.
SYSTEM DIAGRAM
*: For DTCs that the electric parking brake indicator light turns ON. Refer to
DTC Index.
SIGNAL PATH
When Operating The Parking Brake
- The ABS actuator and electric unit (control unit) receives a parking brake switch operation signal from the parking brake switch is pulling.
- The ABS actuator and electric unit (control unit) transmits a electric parking brake indicator light signal to the combination meter via CAN communication according to the received electric parking brake indicator light signal.
- The combination meter turns ON the electric parking brake indicator light when receiving a electric parking brake indicator light signal.
When The Electric Parking Brake System Is In Abnormal State (Blinking)
- The ABS actuator and electric unit (control unit) transmits a electric parking brake indicator light signal to the combination meter via CAN communication when detecting a malfunction (following condition) in the electric parking brake system.
- When a status cannot be judged between applied and released.
- When the parking brake switch is operated under the condition that the parking brake switch is malfunction.
- When the parking brake switch is operated under the condition that the parking brake actuator is malfunction.
- When the initial position adjustment of the parking brake actuator is incomplete.
- The combination meter blinking the electric parking brake indicator light when receiving a electric parking brake indicator light signal.
- For the relationship between indicator light and DTC. Refer to DTC Index.
LIGHTING CONDITION
When any of the condition listed below is satisfied.
- Electric parking brake is engaged.
- When the parking brake switch is pulled while driving the vehicle, resulting in parking brake activation.
- While measuring braking force.
- For the relationship between warning light and DTC. Refer to DTC Index.
BLINKING CONDITION
- When any of the condition listed below is satisfied.
- The combination meter not receives a signal from ABS actuator and electric unit (control unit) via CAN communication.
- When the electric parking brake system is not activated. (Unable to judge malfunction)
- When the parking brake switch is operated under the condition that the parking brake switch is malfunction.
- When the parking brake switch is operated under the condition that the parking brake actuator is malfunction.
- When the parking brake is not automatically activated even when the ignition switch is turned OFF.
- For the relationship between warning light and DTC.DTC Index
SHUTOFF CONDITION
- When any of the condition listed below is satisfied.
- Erase DTC
- Other control unit is normal.
- Parking brake is release status.
- Vehicle condition is sleep status.