Installation [06/2018 - ]: Procedure

1. Install a new throttle body gasket to the intake air surge tank assembly with the protrusion of the throttle body gasket oriented as shown in the illustration.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Protrusion

HINT: 

Perform "Inspection After Repair" after replacing the throttle body with motor assembly.

Refer to INITIALIZATION [06/2018 - 07/2019] , or refer to INITIALIZATION [07/2019 - ]

1. Install the throttle body with motor assembly to the intake air surge tank assembly with the 4 bolts.

   Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

   NOTE:

   If the throttle body with motor assembly has been struck or dropped, replace it.

2. Connect the throttle body with motor assembly connector.
3. Connect the No. 2 water by-pass hose and No. 3 water by-pass hose to the throttle body with motor assembly and slide the 2 clips to secure them.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	No. 2 Water By-pass Hose
   *2	No. 3 Water By-pass Hose
   *a	Top
   *b	Left Side of Vehicle
   *c	Front of Vehicle
   *d	Paint Mark
   *e	90° (Claw of Clip Location)

   NOTE:

   Make sure to position each clip as shown in the illustration.

1. Install the air cleaner cap with air cleaner hose to the throttle body with motor assembly.
   NOTE:

   Align the cutout of the air cleaner hose assembly with the protrusion of the throttle body with motor assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Protrusion
   *b	Cutout
   *c	Hose Clamp End
   *d	2.0 mm (0.0787 in.)
   *e	Paint Mark

2. Tighten the hose clamp in the position shown in the illustration.
   NOTE:

   Make sure that the end of the hose clamp is positioned as shown in the illustration.

3. Engage the 2 guides.
4. Engage the 2 air cleaner cap clamps to install the air cleaner cap sub-assembly to the air cleaner case sub-assembly.
5. Connect the No. 2 ventilation hose to the air cleaner hose and slide the clip to secure it.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	No. 1 Fuel Vapor Feed Hose
   *2	No. 2 Ventilation Hose
   *a	Top
   *b	Paint Mark
   *c	Rear of Vehicle
   *d	180° (Claw of Clip Location)

   NOTE:

   Make sure to position the clip as shown in the illustration.

6. Engage the 2 clamps to connect the No. 1 fuel vapor feed hose to the air cleaner hose.
7. Connect the vacuum hose to the air cleaner hose.
8. Engage the 2 wire harness clamps.
9. Connect the mass air flow meter sub-assembly connector.

Refer to PROCEDURE - Step 2

Refer to PROCEDURE - Step 1

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Clear the DTCs.

   Powertrain > Engine > Clear DTCs 

5. Perform "Inspection After Repair".

   Refer to INITIALIZATION [06/2018 - 07/2019] , or refer to INITIALIZATION [07/2019 - ]

6. Start the engine and check that the MIL is not illuminated. After the engine is warmed up, check that the idle speed is within the specified range with the A/C switch off.

   Standard Idle Speed

   600 to 700 rpm

   NOTE:

   • Be sure to perform this step with all accessories off.
   • Make sure that the shift lever is in P or N.
7. Enter the following menus: Powertrain / Engine / Data List / Throttle Position Sensor No. 1 Voltage %.

   Powertrain > Engine > Data List 

   Tester Display
   Throttle Position Sensor No. 1 Voltage %

8. Fully depress the accelerator pedal and check that the value is 60% or higher.
9. Perform a road test and confirm that there are no abnormalities.