Lexus ES manuals

Lexus ES: System Diagram

SYSTEM DIAGRAM

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 Terminals Of Ecu

TERMINALS OF ECU STEREO COMPONENT EQUALIZER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G15-1 (CANH) P CAN communication signal

 Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U016487)

DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With

 Active Noise Control System(for Hv Model)

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 Lost Communication with TCM (U0101,U0122,U0142,U0155,U0327,U1117)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0101 Lost Communication with TCM Communication malfunction detected between luggage closer motor assembly and ECM CAN communication system ECM Luggage closer motor assembly U0122 Lost Communic

 Torque Converter Clutch Actuator Stuck On (P07407E)

DESCRIPTION The ECM uses signals from the throttle position sensor, mass air flow meter, transmission revolution sensor (NT), transmission revolution sensor (NC) and crankshaft position sensor to help determine the engagement timing of the lock-up clutch. The ECM monitors the engagement of the clutc

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