Toyota Yaris: G16e-gts (engine Control) / Throttle Body

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Throttle Body

Components

COMPONENTS

ILLUSTRATION

*1

AIR TUBE ASSEMBLY

*2

THROTTLE BODY WITH MOTOR ASSEMBLY

*3

THROTTLE BODY GASKET

*4

NO. 2 THROTTLE BODY GASKET

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Check the idle speed.

(1) Start the engine and check that the MIL is not illuminated. After the engine is warmed up, check that the idle speed is within the specified range with the A/C switch off.

Standard Idle Speed:

950 to 1050 rpm

NOTICE:

  • Be sure to perform this step with all accessories off.
  • Make sure that the shift lever is in P or N.

(2) Perform a road test and confirm that there are no abnormalities.

(b) Inspect the throttle position sensor.

(1) Connect the GTS to the DLC3.

(2) Start the engine.

(3) Turn the GTS on.

(4) Enter the following menus: Powertrain / Engine / Data List / Throttle Position Sensor No.1 Voltage %.

Powertrain > Engine > Data List

Tester Display

Throttle Position Sensor No.1 Voltage %

(5) According to the display on the GTS, read the Data List while fully depressing the accelerator pedal and check that the value is 60% or higher.

If the value is less than 60%, check the throttle body with motor assembly, wire harness and ECM.

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 throttle body with motor assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedures

Effects/Inoperative when not performed

Link

  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

PROCEDURE

1. REMOVE INTAKE MANIFOLD ASSEMBLY

Click here

2. REMOVE AIR TUBE ASSEMBLY

(a) Remove the 4 bolts and air tube assembly from the throttle body with motor assembly.

NOTICE:

If the throttle body with motor assembly has been struck or dropped, replace it.

(b) Remove the No. 2 throttle body gasket from the air tube assembly.

3. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Remove the throttle body with motor assembly from the intake manifold.

NOTICE:

If the throttle body with motor assembly has been struck or dropped, replace it.

(b) Remove the throttle body gasket from the intake manifold.

Inspection

INSPECTION

PROCEDURE

1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

D19-1(M-) - D19-2(M+)

20°C (68°F)

0.3 to 100 Ω

If the result is not as specified, replace the throttle body with motor assembly.

*a

Component without harness connected

(Throttle Body with Motor Assembly)

Installation

INSTALLATION

PROCEDURE

1. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Install a new throttle body gasket to the intake manifold.

(b) Install the throttle body with motor assembly to the intake manifold.

NOTICE:

If the throttle body with motor assembly has been struck or dropped, replace it.

2. INSTALL AIR TUBE ASSEMBLY

(a) Install the No. 2 throttle body gasket to the air tube assembly.

(b) Install the air tube assembly to the throttle body with motor assembly with the 4 bolts.

Torque:

10 N·m {102 kgf·cm}

3. INSTALL INTAKE MANIFOLD ASSEMBLY

Click here

4. INSPECT FUNCTION OF THROTTLE BODY WITH MOTOR ASSEMBLY

Click here

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