Lexus ES: Intake Air Control Valve(for Acis)
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT INTAKE AIR CONTROL VALVE (for ACIS)
| (a) Disconnect the vacuum hose sub-assembly from the intake air control valve (for ACIS). |
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(b) Connect a hose and vacuum pump to the intake air control valve (for ACIS).
| (c) Using the vacuum pump, apply a vacuum to the intake air control valve (for ACIS). Check that the actuator rod operates when vacuum is applied. If the actuator rod does not operate when vacuum is applied, replace the intake air surge tank assembly. |
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(d) Using the vacuum pump, apply a vacuum to the intake air control valve (for ACIS). Check that there is no change in vacuum after 1 minute.
If the operation is not as specified, replace the intake air surge tank assembly.
(e) Disconnect the hose and vacuum pump from the intake air control valve (for ACIS).
(f) Connect the vacuum hose sub-assembly to the intake air control valve (for ACIS).
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Components
COMPONENTS ILLUSTRATION *1 FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping"
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during inta
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the window defogger system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem sym
Parts Location
PARTS LOCATION ILLUSTRATION *1 FRONT CORNER ULTRASONIC SENSOR RH *2 FRONT CENTER ULTRASONIC SENSOR RH *3 FRONT CENTER ULTRASONIC SENSOR LH *4 FRONT CORNER ULTRASONIC SENSOR LH *5 REAR CORNER ULTRASONIC SENSOR RH *6 REAR CENTER ULTRASONIC SENSOR RH *7 REAR CENTER U
