Lexus ES manuals

Lexus ES: System Diagram

SYSTEM DIAGRAM

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 Terminals Of Ecu

TERMINALS OF ECU CHECK 4WD ECU ASSEMBLY (a) Measure the voltage and resistance of the connector. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G

 Control Module Communication Bus Off (U0073,U0100,U0126,U0129)

DESCRIPTION The 4WD ECU assembly inputs the signals sent from the ECM, skid control ECU (brake actuator assembly) and steering sensor via CAN communication. When DTCs indicating a CAN communication sy

 Transfer Assembly

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 Active Grille Air Shutter "A" Actuator Stuck On (P05A27E,P05A27F)

DESCRIPTION Refer to DTC P059F73. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P05A27E Active Grille Air Shutter "A" Actuator Stuck On The following condition is met and the ECM receives a malfunction signal 17 times* (2 trip detecti

 Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground (P012011)

DESCRIPTION The throttle position sensor is built into the throttle body with motor assembly and detects the opening angle of the throttle valve. This sensor is a non-contact type sensor. It uses Hall-effect elements in order to yield accurate signals even in extreme driving conditions, such as at h

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