Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000Z9K8
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 -           ]
Title: 2GR-FKS (ENGINE CONTROL): KNOCK SENSOR: INSTALLATION; 2017 - 2020 MY Sienna [08/2016 -        ]

INSTALLATION

PROCEDURE

1. INSTALL KNOCK SENSOR

HINT:

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

Click here 2017 MY Sienna [08/2016 - 11/2017]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2018 - 2020 MY Sienna [11/2017 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

(a) Temporarily install the 2 knock sensors to the cylinder block sub-assembly with the 2 bolts so that the knock 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 sensor has been struck or dropped, replace it.
  • Make sure that the knock 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 2017 - 2020 MY Sienna [08/2016 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • 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 sensor connectors.

2. INSTALL FUEL DELIVERY PIPE

Click here 2017 - 2020 MY Sienna [08/2016 -        ]; 2GR-FKS (FUEL): FUEL INJECTOR (for Direct Injection): INSTALLATION

3. PERFORM INITIALIZATION

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

Click here 2017 MY Sienna [08/2016 - 11/2017]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2018 - 2020 MY Sienna [11/2017 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION