Installation [08/2015 - 08/2018]: Procedure
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
- INSTALL THROTTLE BODY ASSEMBLY
- Install the No. 5 water by-pass hose to the throttle body assembly, and slide the clamp to secure the hose.TEXT IN ILLUSTRATION
*1 No. 5 Water By-pass Hose *2 No. 4 Water By-pass Hose *a White Mark HINT:
Make sure the hose color is shown in the illustration.
- Install the No. 4 water by-pass hose to the throttle body assembly, and slide the clamp to secure the hose.
HINT:
Make sure the hose color is shown in the illustration.
- Align the protrusion of the gasket with the groove of the intake manifold.TEXT IN ILLUSTRATION
*a Groove *b Protrusion *c Intake Manifold Side *d Throttle Body Side - Install a new gasket to the intake manifold.
- Install the throttle body assembly with the 4 bolts.
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
HINT:
Perform "Inspection After Repairs" after replacing the throttle body assembly (Refer to INITIALIZATION [08/2015 - 08/2017] , or refer to INITIALIZATION [08/2017 - 08/2018] ).
- Connect the throttle body connector.
- Connect the No. 5 water by-pass hose to the water inlet housing, and slide the clamp to secure the hose.TEXT IN ILLUSTRATION
*1 No. 5 Water By-pass Hose *2 No. 4 Water By-pass Hose *a Yellow Mark *b Pink Mark HINT:
Make sure the hose color is shown in the illustration.
- Connect the No. 4 water by-pass hose to the No. 3 water by-pass pipe, and slide the clamp to secure the hose.
HINT:
Make sure the hose color is shown in the illustration.
- Install the No. 5 water by-pass hose to the throttle body assembly, and slide the clamp to secure the hose.
- ADD ENGINE COOLANT
Refer to PROCEDURE - Step 3
- INSTALL AIR CLEANER HOSE ASSEMBLY
Refer to PROCEDURE - Step 13
- INSPECT FOR ENGINE COOLANT LEAK
Refer to PROCEDURE - Step 1
- PERFORM INITIALIZATION NOTE:
- Be sure to perform this procedure after reassembling the throttle body assembly or removing and reinstalling any throttle body component.
- Be sure to perform this procedure after reconnecting the battery cable and replacing the ECM.
- Disconnect the EFI fuse and ETCS fuse at the same time. Wait at least 60 seconds and reconnect the fuses.
- Turn the ignition switch to ON without operating the accelerator pedal.NOTE:
If the accelerator pedal is operated, perform the above steps again.
- Connect the Techstream to the DLC3 and clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2018] ).
- Start the engine and check that the MIL is not illuminated and that the idle speed is within the specified range when the A/C is switched off after the engine is warmed up.
Standard
Condition Engine Idle Speed A/C switched off 650 to 750 RPM NOTE:- Be sure to perform this step with all accessories off.
- Make sure that the shift lever is in N of P.
- Enter the following menus: Powertrain / Engine and ETC / Data List / All Data / Throttle Sensor Position. Sensor Output. Fully depress the accelerator pedal and check that the value is 60% or more.
- Perform a road test and confirm that there are no abnormalities.
- INSTALL V-BANK COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 16