Throttle Body (For Hatchback) Removal

Engine Hybrid System. Yaris. Ncp93, 131
1Nz-Fe Engine Control. Yaris. Ncp93, 131

  1. DRAIN ENGINE COOLANT

  2. REMOVE NO. 2 CYLINDER HEAD COVER

  3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE

  4. REMOVE THROTTLE BODY ASSEMBLY

Throttle Body (For Hatchback) -- Removal



1. DRAIN ENGINE COOLANT


Yaris. Ncp93, 131.1Nz-Fe Engine Control.Sfi System (For Sedan).Throttle Body (For Hatchback) Removal
NOTICE:
To avoid the danger of being burned, do not remove the water filler cap sub-assembly while the engine and radiator assembly are still hot. Thermal expansion will cause hot coolant and steam to blow out from the radiator assembly.
Text in Illustration
*1
Water Filler Cap Sub-assembly
*2
Radiator Drain Cock Plug
*3
Cylinder Block Drain Cock Plug

  1. Loosen the radiator drain cock plug.

  1. Remove the water filler cap sub-assembly.

  1. Loosen the cylinder block drain cock plug, then drain the coolant.



2. REMOVE NO. 2 CYLINDER HEAD COVER


    Yaris. Ncp93, 131

  1. Remove the 4 nuts and No. 2 cylinder head cover.



3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH NO. 1 AIR CLEANER HOSE


    Yaris. Ncp93, 131

  1. Disengage the clamp and disconnect the fuel vapor feed hose assembly from the No. 1 air cleaner hose.

  1. Loosen the 2 hose clamps and disconnect the fuel vapor feed hose assembly from the No. 1 air cleaner hose and vacuum switching valve assembly.



    Yaris. Ncp93, 131

  1. Disconnect the No. 2 fuel vapor feed hose from the intake manifold.



    Yaris. Ncp93, 131

  1. Disengage the 2 clamps and disconnect the wire harness from the air cleaner cap sub-assembly and vacuum switching valve assembly.

  1. Disconnect the mass air flow meter connector.

  1. Disconnect the vacuum switching valve connector.



    Yaris. Ncp93, 131

  1. Loosen the hose clamp and disconnect the No. 1 air cleaner hose from the throttle with motor body assembly.

  1. Disengage the 2 clamps and remove the air cleaner cap sub-assembly with No. 1 air cleaner hose.



4. REMOVE THROTTLE BODY ASSEMBLY


    Yaris. Ncp93, 131

  1. Remove the 2 nuts and separate the water filter bracket from the throttle body assembly.



    Yaris. Ncp93, 131

  1. Loosen the hose clamp and disconnect the No. 2 water by-pass hose from the throttle body assembly.



    Yaris. Ncp93, 131

  1. Loosen the hose clamp and disconnect the water by-pass hose from the throttle body assembly.



    Yaris. Ncp93, 131

  1. Disconnect the throttle body assembly connector.

  1. Disengage the wire harness clamp and separate the wire harness from the wire harness bracket.



    Yaris. Ncp93, 131

  1. Remove the nut and wire harness bracket.



    Yaris. Ncp93, 131

  1. Remove the bolt, 3 nuts and the throttle body assembly.

  1. Remove the gasket from the intake manifold.