On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT INTAKE AIR CONTROL VALVE (for ACIS)
(a) Remove the V-bank cover sub-assembly.
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| (b) Disconnect the vacuum hose sub-assembly from the intake air control valve (for ACIS). |
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(c) Connect a hose and vacuum pump to the intake air control valve (for ACIS).
| (d) 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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(e) 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 actuator rod does not operate when vacuum is applied, replace the intake air surge tank assembly.
(f) Disconnect the hose and vacuum pump from the intake air control valve (for ACIS).
(g) Connect the vacuum hose sub-assembly to the intake air control valve (for ACIS).
(h) Install the V-bank cover sub-assembly.
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Removal
Intake ManifoldLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Check Mode Procedure
CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode. NOTICE: All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mo ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lane Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the lane control system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem sympto ...