Toyota Yaris: Cylinder Head Gasket / Removal
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 cylinder head gasket removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Inspection After Repair |
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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.
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HINT:
When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
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Learning completes when vehicle is driven
Effect/Inoperative Function When Necessary Procedures are not Performed
Necessary Procedures
Link
Lane tracing assist system
Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more.
Pre-collision system
Stop and start system
Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)
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Learning completes when vehicle is operated normally
Effect/Inoperative Function When Necessary Procedures are not Performed
Necessary Procedures
Link
Power door lock control system
- Back door opener
Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Air conditioning system
After the ignition switch is turned to ON, the servo motor standard position is recognized.
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PROCEDURE
1. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY
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2. REMOVE NO. 1 CAMSHAFT BEARING CAP
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3. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
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4. REMOVE VALVE LASH ADJUSTER ASSEMBLY
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5. REMOVE VALVE STEM CAP
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6. REMOVE CYLINDER HEAD SUB-ASSEMBLY
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7. REMOVE CYLINDER HEAD GASKET
| (a) Remove the cylinder head gasket from the cylinder haed sub-aseembly/ |
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8. INSPECT CYLINDER HEAD SET BOLT
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9. INSPECT CYLINDER HEAD SUB-ASSEMBLY
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Components
COMPONENTS ILLUSTRATION
*1 NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY *2 VALVE LASH ADJUSTER ASSEMBLY *3 VALVE STEM CAP *4 CYLINDER HEAD SUB-ASSEMBLY *5 CYLINDER HEAD GASKET *6 CYLINDER HEAD SET BOLT *7 NO...
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts...
Other information:
Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The diagnosis function turns off the cruise control indicator and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly...
Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE If there are no DTCs output and the problem still occurs, check the suspected areas for each problem symptom in the order given in the following table and proceed to the relevant troubleshooting page. NOTICE: When replacing the skid control ECU (brake actuator assembly), sensors, etc...
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Liftgate/Trunk Lid
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
