Toyota Yaris: Knock Sensor / Removal

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

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the knock sensor removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedure

Effect/Inoperative when not Performed

Link

  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Air leaks from intake system
  • Replacement of knock control sensor

Inspection after repair

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

CAUTION / NOTICE / HINT

PROCEDURE

1. REMOVE INTAKE MANIFOLD

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2. REMOVE NO. 4 WATER BY-PASS HOSE

(a) Slide the 2 clips and remove the No. 4 water by-pass hose.

3. DISCONNECT NO. 6 WATER BY-PASS HOSE

(a) Slide the clip and disconnect the No. 6 water by-pass hose.

4. SEPARATE NO. 2 WATER BY-PASS PIPE

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5. REMOVE NO. 2 CYLINDER BLOCK INSULATOR

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6. REMOVE NO. 1 VENTILATION CASE

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7. REMOVE KNOCK SENSOR

(a) Disconnect the knock sensor connector.

(b) Remove the bolt and knock sensor from the cylinder block sub-assembly.

NOTICE:

If the knock sensor has been struck or dropped, replace it.

    Components

    COMPONENTS ILLUSTRATION *1 KNOCK SENSOR *2 NO. 1 VENTILATION CASE *3 NO. 2 CYLINDER BLOCK INSULATOR *4 NO. 2 WATER BY-PASS PIPE *5 NO...

    Inspection

    INSPECTION PROCEDURE 1. INSPECT KNOCK SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition e1-1 - e1-2 25°C (77°F) 120 to 280 kΩ If the result is not as specified, replace the knock sensor...

    Other information:

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    Categories

    Supplemental Restraint System (SRS) Precautions

    The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.

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