Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL KNOCK CONTROL SENSOR

HINT:

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

Click here

(a) Temporarily install the 2 knock control sensors to the cylinder block sub-assembly with the 2 bolts so that the knock control sensor installation position is as shown in the illustration.

*A

for Bank 1

*B

for Bank 2

*a

View A

*b

View B

*c

Top

*d

Engine Front

*e

Engine Rear

*f

*g

10°

Front

View A

View B

NOTICE:

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

(b) Tighten the bolt (A).

Torque:

20 N·m {204 kgf·cm, 15 ft·lbf}

*a

Torque Wrench Fulcrum Length

*b

10 mm Union Nut Wrench

(c) Using a 10 mm union nut wrench, tighten the bolt (B).

Torque:

Specified tightening torque :

20 N·m {204 kgf·cm, 15 ft·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a 10 mm union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    17.6 N*m (179 kgf*cm, 13 ft.*lbf)

(d) Connect the 2 knock control sensor connectors.

2. INSTALL FUEL DELIVERY PIPE

Click here

3. PERFORM INITIALIZATION

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

Click here

    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 Cond ...

    Mass Air Flow Meter
    ...

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