M20A-FKS (ENGINE CONTROL): CAMSHAFT TIMING CONTROL MOTOR: REMOVAL; 2023 MY Corolla Corolla Hatchback [11/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM1000000028GQZ
Model Year Start: 2023	Model: Corolla Hatchback	Prod Date Range: [11/2022 - 03/2023]
Title: M20A-FKS (ENGINE CONTROL): CAMSHAFT TIMING CONTROL MOTOR: REMOVAL; 2023 MY Corolla Corolla Hatchback [11/2022 - 03/2023]

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 cam timing control motor with EDU assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
1: w/ Smart Key System 2: w/o Smart Key System *3: w/ Steering Lock Function
Replacement of cam timing control motor with EDU assembly Removal and installation of a cam timing control motor with EDU assembly	Inspection after repair	Poor idle, etc. Engine start function, etc.
Replacement of ECM	Vehicle Identification Number (VIN) registration	MIL comes on
	Update ECU security key	Vehicle Control History (RoB) are stored
	ECU communication ID registration (Immobiliser system)	Engine start function
	Perform reset memory CVT oil pressure calibration Perform road test to allow TCM to learn	Large shift shock Deterioration of fuel efficiency	for K120 Initialization for K120 Registration
Replacement of ECM*1	Code registration (Smart Key System (for Gasoline Model, Start Function))	Wireless Door Lock Control System (for Gasoline Model with Smart Key System) Smart Key System (for Gasoline Model, Entry Function) Smart Key System (for Gasoline Model, Start Function) Steering lock function*3
Replacement of ECM*2	Code registration (Immobiliser system)	Engine start Telematics System

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.

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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	Necessary Procedure	Link
Front Camera System	Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
*1: for Hatchback
Power Door Lock Control System Back door opener*1	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

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2. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY

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3. REMOVE REAR ENGINE UNDER COVER RH

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4. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

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5. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL

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6. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

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7. REMOVE ECM

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8. REMOVE BATTERY

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9. REMOVE BATTERY CLAMP SUB-ASSEMBLY

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10. REMOVE FUEL DELIVERY GUARD

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11. INSTALL ENGINE HANGER

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12. INSTALL ENGINE SUPPORT BRIDGE

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13. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH

(a) Disconnect the air conditioner pressure sensor connector.

(b) Remove the bolt.

*A	for Fully Sealed Type
*B	for Non-Fully Sealed Type

(d) Remove the bolt and disengage the clamp to remove the No. 1 cooler refrigerant hose bracket from the engine mounting insulator sub-assembly RH.

(e) Disengage the clamp to separate the piping clamp.

(f) Remove the bolt and separate the No. 2 earth wire from the engine mounting insulator sub-assembly RH.

*A	Type A
*B	Type B

(g) Remove the 4 bolts, 2 nuts and engine mounting insulator sub-assembly RH from the vehicle body and engine mounting bracket RH.

HINT:

As the engine mounting insulator sub-assembly RH contacts the air conditioning tube assembly and cannot be taken out, move the engine mounting insulator sub-assembly RH to a position where the bolt of the cam timing control motor with EDU assembly can be removed.

*A	Type A
*B	Type B

14. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY

(a) Disconnect the cam timing control motor with EDU assembly connector.

(b) Remove the 3 bolts and cam timing control motor with EDU assembly from the No. 2 timing chain cover assembly.

NOTICE:

If the cam timing control motor with EDU assembly has been struck or dropped, replace it.

15. REMOVE CAM TIMING CONTROL MOTOR O-RING

(a) Remove the cam timing control motor O-ring from the No. 2 timing chain cover assembly.