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ASC Warning Light
 
 
DESIGN/PURPOSE
  • When ASC function, TCS function, or brake limited slip differential (BLSD) function is activated, the ASC warning light blinks to inform the driver of the activation of the function.
  • When ASC function, TCS function, ABS function, EBD function, brake limited slip differential (BLSD) function, brake assist function, brake force distribution function or hill start assist function of the ABS actuator and electric unit (control unit) has a malfunction, the ASC warning light turns ON to warn the driver of the malfunction.
    noteThe ASC warning light may turn ON when the brake warning light or ABS warning light turns ON. For details, refer to System Description.
 
 
BULB CHECK
The ASC warning light turns ON and stays ON for 1 second after ON the ignition switch.
 
 
SYNCHRONIZATION WITH MASTER WARNING LIGHT
Not 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 ASC warning light turns ON. Refer to DTC Index.
 
 
SIGNAL PATH
 
 
When Operating ASC Function, TCS Function, Brake Limited Slip Differential (BLSD) Function
  • The ABS actuator and electric unit (control unit) transmits a ASC warning light signal to the combination meter via CAN communication when operating in the ASC function, TCS function, or brake limited slip differential (BLSD) function.
  • The combination meter blinks the ASC warning light when receiving a ASC warning light signal.
 
 
When ASC Function, TCS Function, ABS Function, EBD Function, Brake Limited Slip Differential (BLSD) Function, Brake Assist Function, Brake Force Distribution Function, hill start assist Function, Are In Abnormal State
  • The ABS actuator and electric unit (control unit) transmits a ASC warning light signal to the combination meter via CAN communication when detecting a malfunction in the ASC function, TCS function, brake limited slip differential (BLSD) function, brake assist function, brake force distribution function or hill start assist function.
  • The combination meter turns ON the ASC warning light when receiving a ASC warning light signal.
  • For the relationship between warning light and DTC. Refer to DTC Index.
 
 
LIGHTING CONDITION
  • A malfunction is detected in the ASC function, TCS function, ABS function, EBD function, brake limited slip differential (BLSD) function, brake assist function, brake force distribution function or hill start assist function of the ABS actuator and electric unit (control unit).
  • For the relationship between warning light and DTC. Refer to DTC Index.
 
 
BLINKING CONDITION
When ASC function, TCS function, or brake limited slip differential (BLSD) function is under operating conditions.
 
 
SHUTOFF CONDITION
  • When the condition listed below is satisfied while the ignition switch ON:
    • Erase DTC
  • When ASC function, TCS function, or brake limited slip differential (BLSD) function is not under operating conditions.
  • The ignition switch is in a position other than ON.
 
 
TIMING CHART