Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Vehicle Interior / Lighting (ext) / Lighting System (for Gasoline Model) / System Diagram
SYSTEM DIAGRAM
HEADLIGHT ASSEMBLY CIRCUIT (for LED Type Turn Signal Light)
HEADLIGHT ASSEMBLY CIRCUIT (for Bulb Type Turn Signal Light) (for TMC Made)
HEADLIGHT ASSEMBLY CIRCUIT (for Bulb Type Turn Signal Light) (for TMMK Made)
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the lighting system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK NOTICE: Make sure that the customize settings are set to default when performing the automatic light control system operation check. Clic
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE LIGHTING SYSTEM (EXT) NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the
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Route cannot be Calculated
PROCEDURE 1. SET DESTINATION (a) Set another destination and check if the system can calculate the route correctly. OK: Route can be correctly calculated. OK END NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
Components
COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP WITH AIR CLEANER HOSE *2 THROTTLE BODY GASKET *3 THROTTLE BODY WITH MOTOR ASSEMBLY *4 VACUUM HOSE *5 NO. 1 FUEL VAPOR FEED HOSE *6 NO. 2 VENTILATION HOSE *7 NO. 2 WATER BY-PASS HOSE *8 NO. 3 WATER BY-PASS HOSE
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