Lexus ES manuals

Lexus ES: Precaution

PRECAUTION

PRECAUTION FOR ACTIVE NOISE CONTROL SYSTEM

(a) If the active noise control microphone garnish hole is blocked, clean away the blockage and perform diagnosis.

(b) If heavy objects are loaded onto the rear package tray, remove them before performing diagnosis.

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 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Before checking parts for malfunctions, check that the audio system operates normally. Use the table below to help determine the cause of problem symptoms. If multi

 System Description

SYSTEM DESCRIPTION ACTIVE NOISE CONTROL SYSTEM (a) The active noise control system is a system that detects muffled engine sounds produced in sync that fluctuates according to the engine speed, by usi

 System Diagram

SYSTEM DIAGRAM

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 Engine Circuit Malfunction (C1280)

DESCRIPTION If a malfunction in the ECM circuit occurs, the 4WD ECU assembly will output this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area C1280 Engine Circuit Malfunction When the following continues for 5 seconds or more: Communication with ECM is operating

 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

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