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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Lost Communication with Wiper System LIN BUS (B1373)
DESCRIPTION The main body ECU (multiplex network body ECU) and windshield wiper motor assembly communicate via LIN communication. The main body ECU (multiplex network body ECU) stores this DTC if communication becomes abnormal. DTC No. Detection Item DTC Detection Condition Trouble Area M
Hybrid/EV Battery Stack 1 Voltage Difference Out of Range (P1CC81E,P1CC91E)
DESCRIPTION The HV battery is composed of 70 cells (3.7 V each) in series. The battery ECU assembly monitors difference in voltage of each HV battery cell to detect malfunctions of the HV battery. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P1CC8
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