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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 Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Battery or Open (P012015)

DESCRIPTION Refer to DTC P012011. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P012015 Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Battery or Open The output voltage of VTA1 is higher than 4.535 V for 2 seconds or

 Transmission Range Sensor "A" Circuit Open (P070513,P070562)

DESCRIPTION The park/neutral position switch assembly detects the shift lever position and sends signals to the ECM. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P070513 Transmission Range Sensor "A" Circuit Open When the engine switch is on (IG)

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