Toyota Prius: Knock Sensor

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 knock control sensor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of knock control sensor Replacement of throttle body assembly Cleaning the deposits from the throttle body assembly	Inspection after repair	Poor idle, etc. Engine start function, etc.

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	INTAKE MANIFOLD	17111	-	-	-
2	KNOCK CONTROL SENSOR	89615		-	-

PROCEDURE

1. REMOVE INTAKE MANIFOLD

Click here

2. REMOVE KNOCK CONTROL SENSOR

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

Inspection

INSPECTION

PROCEDURE

1. INSPECT KNOCK CONTROL SENSOR

(a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition Result 1 (EKNK) - 2 (KNK1) 25°C (77°F) 120 to 280 kΩ kΩ If the result is not as specified, replace the knock control sensor.

*a Component without harness connected (Knock Control Sensor)

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	KNOCK CONTROL SENSOR	89615		-	-
2	INTAKE MANIFOLD	17111	-	-	-
3	PERFORM INITIALIZATION	-	-	-

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

-

-

PROCEDURE

1. INSTALL KNOCK CONTROL SENSOR

*a

Top

*b

10°

(1) Install the knock control sensor to the cylinder block sub-assembly with the bolt as shown in the illustration.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(2) Connect the knock control sensor connector.

2. INSTALL INTAKE MANIFOLD

Click here

3. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the knock control sensor.

Click here