Lexus ES: System Diagram
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Exterior Panels / Trim / Grille Shutter System / System Diagram
SYSTEM DIAGRAM
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System Description
SYSTEM DESCRIPTION GRILLE SHUTTER SYSTEM (a) General description The swing grille actuator assembly receives signals from the ECM, hybrid vehicle control ECU and air conditioning amplifier assembly vi
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the grille shutter system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Initialization
INITIALIZATION CHANGE GRILLE SHUTTER CONTROL MODE AND/OR PERFORM INITIALIZATION (a) In the following situations, it is necessary to change the grille shutter control mode and/or initialize the grille
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ECU Power Source Circuit System Voltage Low (B2620A2)
DESCRIPTION The ECU power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B2620A2 ECU Power Source Circuit System Voltage Low The voltage of the ECU power source drops to 8 V or less f
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during rear door opening trim weatherstrip removal/installation are shown below. Necessary Procedure After Part
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