Lexus ES: System Diagram
SYSTEM DIAGRAM

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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
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 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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DESCRIPTION Code Tester Display Measurement Item Trouble Area X0453 RL Speed Sensor Wrong Installation History of rear speed sensor LH being installed incorrectly Rear Speed Sensor LH PROCEDURE 1. CHECK FOR DTCs (HEALTH CHECK) (a) Perform the Health Check using the Tec
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a VB sensor or VL sensor malfunction. The cause of this malfunction may be one of the following: Inverter voltage (VB or VL) sensor internal circuit malfunction
Voltage sensor malfunction
Motor generator control ECU (MG
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