Lexus ES manuals

Lexus ES: Knock Sensor

Components

COMPONENTS

ILLUSTRATION

*1

KNOCK CONTROL SENSOR

-

-

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

-

-

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

1 - 2

25°C (77°F)

120 to 280 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

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.

Click here

PROCEDURE

1. INSTALL KNOCK CONTROL SENSOR

HINT:

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

Click here

(a) Install the knock control sensor to the cylinder block sub-assembly with the bolt so that the knock control sensor installation position is as shown in the illustration.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

NOTICE:

  • If the knock control sensor has been struck or dropped, replace it.
  • Make sure that the knock control sensor is in the correct position.

*a

Top

*b

Right of Vehicle

*c

15°

*d

(b) Connect the knock control sensor connector.

2. INSTALL GENERATOR ASSEMBLY

Click here

3. PERFORM INITIALIZATION

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

Click here

READ NEXT:

 Mass Air Flow Meter

 Components

COMPONENTS ILLUSTRATION *1 MASS AIR FLOW METER SUB-ASSEMBLY - -

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY HINT: Perform "Inspection After Repair" after replacing the mass air flow meter sub-assembly. Click here (a) Read the valu

SEE MORE:

 System Diagram

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 Transmitter ID1 Operation Stop (C2111-C2114)

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