Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001H4XM |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 09/2022] |
Title: 2ZR-FXE (ENGINE CONTROL): THROTTLE BODY: REMOVAL; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during throttle body assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Replacement of throttle body assembly
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Cleaning the deposits from the throttle body assembly
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Inspection After Repair
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Poor idle, etc.
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Engine start function, etc.
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PROCEDURE
1. DRAIN ENGINE COOLANT (for Engine)
Click here
2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
(a) Disconnect the mass air flow meter connector.
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(b) Disconnect the wire harness clamp.
(c) Disengage the 2 clamps.
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(d) Disengage the 2 guides and remove the air cleaner cap sub-assembly from the air cleaner case sub-assembly.
(e) Loosen the hose clamp and remove the air cleaner cap sub-assembly from the air cleaner hose assembly.
3. REMOVE AIR CLEANER HOSE ASSEMBLY
(a) Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
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(b) Loosen the hose clamp and remove the air cleaner hose assembly from the throttle body assembly.
4. REMOVE THROTTLE BODY ASSEMBLY
(a) Disconnect the throttle body assembly connector.
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*A
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w/ Stud Bolt
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*B
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w/o Stud Bolt
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*1
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Water By-pass Hose
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*2
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No. 2 Water By-pass Hose
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(b) Slide the 2 clips and disconnect the water by-pass hose and No. 2 water by-pass hose from the throttle body assembly.
(c) w/ Stud Bolt:
(1) Remove the 2 bolts, 2 nuts and throttle body assembly from the intake manifold.
NOTICE:
If the throttle body assembly has been struck or dropped, replace it.
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*A
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w/ Stud Bolt
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*B
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w/o Stud Bolt
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(d) w/o Stud Bolt:
(1) Remove the 4 bolts and throttle body assembly from the intake manifold.
NOTICE:
If the throttle body assembly has been struck or dropped, replace it.
5. REMOVE THROTTLE BODY GASKET
(a) Remove the throttle body gasket from the intake manifold.
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*A
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w/ Stud Bolt
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*B
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w/o Stud Bolt
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