ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced when repairing air leaks in the intake system are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced|
Replaced Part or Performed Procedure |
Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
| Air leak from intake system is repaired |
Inspection After Repair |
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PROCEDURE
1. INSPECT INTAKE SYSTEM
CAUTION:
To prevent injury due to contact with an operating V-ribbed belt or cooling fan, keep your hands and clothing away from the V-ribbed belt and cooling fans when working in the engine compartment with the engine running or the engine switch on (IG).
(a) Check that there are no vacuum leaks at the points shown in the illustration.
HINT:
Perform Inspection After Repair after repairing vacuum leaks in the intake system.
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2. INSPECT INTAKE AIR CONTROL VALVE (for ACIS)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
| (d) Enter the following menus: Powertrain / Engine / Active Test / Activate the VSV for Intake Control. Powertrain > Engine > Active Test
|
|
(e) When Activate the VSV for Intake Control is set to on, check that the actuator rod operates.
If the actuator rod does not operate, inspect the intake air control valve (for ACIS) and No. 1 vacuum switching valve assembly (for ACIS).
Click here
Click here
(f) When Activate the VSV for Intake Control is set to off, check that the actuator rod returns to its original position.
If the actuator rod does not return to its original position, inspect the intake air control valve (for ACIS) and No. 1 vacuum switching valve assembly (for ACIS).
Click here
Click here
3. PERFORM INITIALIZATION
(a) Perform Inspection After Repair after repairing vacuum leaks in the intake system.
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PARTS LOCATION
ILLUSTRATION
|
*1 | INTAKE AIR CONTROL VALVE (for ACIS) |
*2 | ECM |
|
*3 | ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - EFI NO. 1 FUSE | - |
- |
SYSTEM DIAGRAM
|
*1 | Throttle Body with Motor Assembly |
*2 | Intake Air Control Valve (for ACIS) |
|
*3 | Intake Air Control Valve Actuator (for ACIS) |
*4 | ECM |
|
*5 | Vacuum Switching Valve (for ACIS) |
- | - |
|
*a | Engine Speed Signal |
*b | from Vacuum Pump |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > 2gr-fks Fuel: Fuel System
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. CHECK FUEL PUMP OPERATION AND INSPECT FOR FUEL LEAK (a) Check fuel pump operation. (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). NOTICE: Do not start the engine. (3) Turn the Techstream on. (4) Enter the following ...
