Installation [12/2019 - 10/2022]: 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 [12/2019 - 10/2022]

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.) (End of Hose Clamp Location)
   *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
   *3	Vacuum Hose Bracket
   *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. Install the vacuum hose bracket to the air cleaner hose.
8. Connect the vacuum hose to the air cleaner hose.
9. Engage the 2 wire harness clamps.
10. Connect the mass air flow meter sub-assembly connector.

Refer to PROCEDURE - Step 2

Refer to PROCEDURE - Step 1

1. Clear the DTCs.

   Powertrain > Engine > Clear DTCs 

2. Perform "Inspection After Repair".

   Refer to INITIALIZATION [12/2019 - 10/2022]

3. 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

   650 to 750 rpm

   NOTE:

   • Be sure to perform this step with all accessories off.
   • Make sure that the shift lever is in P or N.
4. Fully depress the accelerator pedal and check that the value is 60% or higher.

   Powertrain > Engine > Data List 

   Tester Display
   Throttle Position Sensor No. 1 Voltage %

5. Perform a road test and confirm that there are no abnormalities.