Toyota Yaris: Knock Sensor / Inspection

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Knock Sensor / 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.

*a

Component without harness connected

(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...

    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:

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    DESCRIPTION Problem Symptom Suspected Area Trouble Area Engine speed fluctuation due to abnormal combustion Idle speed too low or high Strong engine vibration due to above symptoms Ignition malfunction Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply) Insufficient compression Changes in load from another system Ignition system Spark plug Ignition coil assembly Fuel system Direct fuel injector assembly Port fuel injector assembly Fuel pump assembly (for high pressure side) Fuel pump (for low pressure side) Fuel pump control circuit Fuel suction plate sub-assembly Fuel main valve assembly Fuel line Purge VSV system Fuel quality (existence of foreign matter, degradation) Intake and exhaust systems Mass air flow meter sub-assembly Intake system (Air leaks or deposit accumulation) Throttle body with motor assembly Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) Cam timing oil control solenoid assembly Variable Valve Timing system (VVT system) Other control systems ECM Wire harness or connector Knock control sensor Engine coolant temperature sensor Engine Water control valve Engine assembly High load from another system Air conditioning system Power steering system Electrical load signal system SYMPTOM AND CAUSE OF SYSTEM MALFUNCTION HINT: The following are descriptions of the characteristics of each system malfunction...

    Toyota Yaris XP210 (2020-2026) Owner's Manual: Plastic Part Maintenance


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    Categories

    Turning the Engine Off

    Stop the vehicle completely. Manual transaxle: Shift into neutral and set the parking brake.

    Automatic transaxle: Shift the selector lever to the P position and set the parking brake.

    Press the push button start to turn off the engine. The ignition position is off.

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