Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Vehicle Exterior / 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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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Road Sign Assist System DTC No. Detection Item Link U010087 Lost Communication with ECM/PCM "A" Missing Message U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message U012987 Lost Communication with Brake
Installation
INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY (a) Engage the claw to install the windshield wiper switch assembly as shown in the illustration. Install in this Direction 2. INSTALL UPPER STEERING COLUMN COVER (a) Engage the claw to install the upper steering column cov
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