AUTOMATIC HIGH BEAM SYSTEM DIAGNOSIS SYSTEM
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DESCRIPTION
Automatic high beam system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and to assist with repairs.
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CHECK DLC3
Check the DLC3.
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INSPECT BATTERY VOLTAGE
Measure the battery voltage.
If the voltage is below 11 V, recharge or replace the battery.
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DIAGNOSIS SYSTEM
If the automatic high beam system malfunctions, the automatic high beam indicator light turns off and "CHECK HEADLIGHT SYSTEM"*1 or "Check Headlight System"*2 is displayed on the multi-information display.
*A Multi-information Display (for Monochrome Type) *B Multi-information Display (for Color Type) *a Automatic High Beam Indicator Light - -
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*1: Multi-information Display (for Monochrome Type)
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*2: Multi-information Display (for Color Type)
Tech Tips
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In this case, the main body ECU (multiplex network body ECU) stores DTCs.
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When the system returns to normal, "CHECK HEADLIGHT SYSTEM"*1 or "Check Headlight System"*2 is no longer displayed on the multi-information display.
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*1: Multi-information Display (for Monochrome Type)
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*2: Multi-information Display (for Color Type)
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