Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028HVX |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [11/2022 -
] |
Title: M20A-FKS (FUEL): FUEL PUMP (for High Pressure): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 - ] |
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 fuel pump 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 fuel pump assembly
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Replacement of throttle body with motor assembly
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Cleaning the deposits from the throttle body with motor assembly
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Replacement of EGR valve assembly
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Gas leak from exhaust system is repaired
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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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NOTICE:
This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Click here
HINT:
When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Learning completes when vehicle is driven
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Front Camera System
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
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Learning completes when vehicle is operated normally
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Power Door Lock Control System
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Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
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PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.
Click here
2. DISCHARGE FUEL SYSTEM PRESSURE
Click here
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Click here
4. REMOVE EGR VALVE ASSEMBLY
Click here
5. REMOVE INTAKE MANIFOLD
Click here
6. DISCONNECT FUEL TUBE SUB-ASSEMBLY
(a) Disconnect the fuel tube sub-assembly from the fuel pump assembly.
Click here
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7. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
(a) Disconnect the ignition coil assembly connector.
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(b) Using an 8 mm socket wrench, remove the bolt.
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(c) Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.
(d) Loosen the 2 bolts of the fuel pump assembly.
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(e) Remove the No. 1 fuel pipe sub-assembly from the fuel delivery pipe and fuel pump assembly.
8. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY
NOTICE:
When replacing the fuel pump assembly, it is necessary to replace the No. 1 fuel pipe sub-assembly with a new one.
(a) Disconnect the fuel pump assembly connector.
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(b) Remove the 2 bolts, fuel pump assembly and fuel pump flange from the cylinder head cover sub-assembly.
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(c) Remove the O-ring from the fuel pump assembly.
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(d) Remove the fuel pump lifter assembly from the fuel pump lifter guide.
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(e) Remove the fuel pump spacer gasket from the cylinder head cover sub-assembly.
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