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Headlight Warning
 
 
DESIGN/PURPOSE
Headlight warning warns the driver that there is a malfunction in LED headlight system.
SymbolMessage
Headlight
System Error
See Owner′s Manual
 
 
SYNCHRONIZATION WITH MASTER WARNING LIGHT
Synchronization is applied.
For master warning light. Refer to Master Warning LightDesign .
 
 
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
 
 
SIGNAL PATH
  • When the LED headlight control module detects a malfunction of headlight (LO) circuit, and headlight warning signal is transmits to IPDM E/R (via LIN communication).
  • When the IPDM E/R receives headlight warning signal (via LIN communication) or IPDM E/R detects a malfunction of LIN communication, and transmits headlight warning signal (via CAN communication) to the combination meter.
  • When the electric motor switch is ON and the combination meter receives the headlight warning signal (via CAN communication), the combination meter displays the headlight warning on the information display.
 
 
WARNING/INDICATOR OPERATING CONDITION
When all of the following conditions are satisfied.
  • Turn the electric motor switch ON
  • Headlight warning signal (via CAN communication) is ON
 
 
WARNING/INDICATOR CANCEL CONDITION
When any of the following conditions are satisfied.
  • Electric motor switch other than ON
  • Headlight warning signal (via CAN communication) is OFF
 
 
TIMING CHART