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Electric Parking Brake Indicator Light
 
 
DESIGN/PURPOSE
  • The electric parking brake indicator light warns the driver that the parking brake is engaged.
    For USA
    Except for USA
  • The electric parking brake indicator light warns the driver of a malfunction in the electric parking brake system.
 
 
BULB CHECK
Applicable
 
 
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. Refer to 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.
 
 
TIMING CHART