Toyota RAV4 manuals

Toyota Sienna Service Manual: Knock sensor

COMPONENTS

Knock sensor

Knock sensor

Knock sensor

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE (See page FU-13) 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. DRAIN ENGINE COOLANT (See page CO-6) 4. REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY HINT: (See page WW-4) 5. REMOVE FRONT OUTER COWL TOP PANEL SUBASSEMBLY (See page EM-27) 6. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See page ES-493) 7. REMOVE AIR CLEANER CASE SUB-ASSEMBLY (See page EM-28) 8. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(a) Disconnect the 2 water by-pass hoses from the throttle body [A].

(b) Disconnect the vapor feed hose [B].

(c) Disconnect the throttle body connector and clamp [C].

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(d) Disconnect the ventilation hose [D].

(e) Disconnect the union to check valve hose [E].

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(f) Disconnect the connector [F].

REMOVE INTAKE AIR SURGE TANK ASSEMBLY

(g) Using a 5 mm socket hexagon wrench, remove the 4 bolts [G].

(h) Remove the 2 nuts, 2 bolts and intake air surge tank [H].

(i) Remove the gasket from the intake air surge tank [I].

9. REMOVE FUEL MAIN TUBE SUB-ASSEMBLY (See page EM-30) 10. REMOVE INTAKE MANIFOLD (See page EM-39)

11. REMOVE KNOCK CONTROL SENSOR

REMOVE KNOCK CONTROL SENSOR

(a) Disconnect the 2 knock sensor connectors.

(b) Remove the 2 bolts and then remove the 2 knock control sensors.

INSPECTION

1. KNOCK CONTROL SENSOR

KNOCK CONTROL SENSOR

(a) Using an ohmmeter, measure the resistance between the terminals.

Resistance: 120 to 280 kΩ at 20°C (68°F)

If the resistance is not specified, replace the knock control sensor.

INSTALLATION

1. INSTALL KNOCK CONTROL SENSOR

 INSTALL KNOCK CONTROL SENSOR

(a) Install the 2 knock control sensors with the 2 bolts as shown in the illustration.

Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) (b) Connect the 2 knock control sensor connectors.

2. INSTALL INTAKE MANIFOLD (See page EM-49) 3. INSTALL FUEL MAIN TUBE SUB-ASSEMBLY (See page EM-56) 4. INSTALL INTAKE AIR SURGE TANK

NOTICE: DO NOT apply oil to the bolts listed below.

INSTALL INTAKE AIR SURGE TANK

INSTALL INTAKE AIR SURGE TANK

(a) Install a new gasket to the intake air surge tank [A].

(b) Using a 5 mm hexagon socket wrench, install the 4 bolts [B].

Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf) (c) Install the intake air surge tank with the 2 nuts and 2 bolts [C].

Torque: Nut 16 N*m (163 kgf*cm, 12 ft.*lbf) Bolt 21 N*m (214 kgf*cm, 15 ft.*lbf)

INSTALL INTAKE AIR SURGE TANK

(d) Connect the connector [D].

INSTALL INTAKE AIR SURGE TANK

(e) Connect the union to check valve hose [E].

(f) Connect the ventilation hose No. 2 [F].

INSTALL INTAKE AIR SURGE TANK

(g) Install the clamp and connect the throttle with motor body assembly connector [G].

(h) Connect the vapor feed hose [H].

(i) Connect the 2 water by-pass hoses to the throttle with motor body assembly [I].

INSTALL INTAKE AIR SURGE TANK

5. INSTALL AIR CLEANER CASE SUB-ASSEMBLY (See page EM-59) 6. INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See page ES-496) 7. ADD ENGINE COOLANT (See page CO-7) 8. INSPECT FOR ENGINE COOLANT LEAK (See page CO-1) 9. INSPECT FOR FUEL LEAK (See page FU-7) 10. INSTALL FRONT OUTER COWL TOP PANEL SUBASSEMBLY (See page EM-61) 11. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY

HINT: (See page WW-5)

12. INSTALL V-BANK COVER SUB-ASSEMBLY (See page EM-63)

Engine coolant temperature sensor
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Efi relay
INSPECTION 1. INSPECT EFI RELAY (a) Using an ohmmeter, measure the resistance according to the value(s) in the table below. Standard resistance If the result is not as specified, replace th ...

Other materials:

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Inspection
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Customize parameters
1. CUSTOMIZING FUNCTION WITH INTELLIGENT TESTER (REFERENCE) HINT: The following items can be customized. NOTICE:  After confirming whether the items requested by the customer are applicable or not for customization, perform customize operations.  Be sure to record the current ...

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