Diagnosis System [08/2013 - ]
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- 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 Techstream to check for malfunctions and to repair it.
- CHECK DLC3
- Check the DLC3. Refer to GENERAL INFORMATION [08/2013 - ] .
- INSPECT AUXILIARY BATTERY VOLTAGE
- Measure the auxiliary battery voltage with the power switch off.
Standard Voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery.
- Measure the auxiliary battery voltage with the power switch off.
- DIAGNOSIS SYSTEM
- When the automatic high beam system malfunctions, Check AHB System is displayed on the multi-information display.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
- In this case, the main body ECU (multiplex network body ECU) stores DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .
- When the system returns to normal, Check AHB System is no longer displayed on the multi-information display.
TEXT IN ILLUSTRATION*a Multi-information Display
- When the automatic high beam system malfunctions, Check AHB System is displayed on the multi-information display.