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

Click here

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

Click here

5. REMOVE NO. 2 CYLINDER BLOCK INSULATOR

Click here

6. REMOVE NO. 1 VENTILATION CASE

Click here

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:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Installation


    INSTALLATION PROCEDURE 1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR HINT: Perform "Inspection After Repair" after replacing the engine coolant temperature sensor. Click here (a) Apply a light coat of engine coolant to the O-ring of the engine coolant temperature sensor...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Fail-safe Chart


    FAIL-SAFE CHART If any of the following DTCs are stored, the engine stop and start ECU enters fail-safe mode to preserve vehicle operability. DTC Component Fail-safe Operation Fail-safe Deactivation Condition P033562 Open in engine speed signal circuit Stop and start control is prohibited Engine is automatically restarted if a DTC is stored while the engine is stopped by stop and start control All of the following conditions are met for 10 seconds: Normal communication with ECM Engine speed 500 rpm or higher Engine speed (communication signal) 500 rpm or higher Difference between engine speed from pulse signal and engine speed from communication signal is less than 100 rpm P055500 P05552A Vacuum sensor assembly Brake booster assembly Vacuum hose (brake booster hose) Stop and start control is prohibited Engine is automatically restarted if a DTC is stored while the engine is stopped by stop and start control One of the following conditions is met: Vacuum changes while the brake pedal is depressed Vacuum changes a specified number of times while the vehicle is being driven faster than a certain vehicle speed P055511 P055515 Vacuum sensor assembly circuit Stop and start control is prohibited Engine is automatically restarted if a DTC is stored while the engine is stopped by stop and start control Sensor output is within standard range P060629 Engine stop and start ECU Stop and start control is prohibited Engine is automatically restarted if a DTC is stored while the engine is stopped by stop and start control Pass condition detected and ignition switch turned to ON P060B1C P060B49 P060B71 Analog to digital converter (Engine stop and start ECU) Stop and start control is prohibited Engine is automatically restarted if a DTC is stored while the engine is stopped by stop and start control Pass condition detected and ignition switch turned to ON P061519 ST NO...

    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.

    The air bags are installed in the following locations:

    The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)

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