Lexus ES: System Diagram
SYSTEM DIAGRAM
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TERMINALS OF ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G128-1 (+B) - G128-20 (E) BR - W-B Power source (+B) Always 11 to 14 V
DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak, or the safety connect system has a malfunction and a DTC is set. PROCEDURE 1. CHECK COMMUNICATION SERVIC
VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again. CHECK VEHICLE CONTROL HISTORY NOTICE:
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COMPONENTS ILLUSTRATION *1 CLUTCH DRUM OIL SEAL RING *2 FRONT OIL PUMP BODY *3 FRONT OIL PUMP DRIVE GEAR *4 FRONT OIL PUMP DRIVEN GEAR *5 OIL STRAINER ASSEMBLY *6 RING PIN *7 STATOR SHAFT ASSEMBLY *8 FRONT OIL PUMP COVER SUB-ASSEMBLY Tightening torque f
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or insufficient intake air volume
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