Knock Sensor Removal

Engine. Camry. Acv40 Gsv40
2Az-Fe Engine Control System. Camry. Acv40 Gsv40

  1. DISCHARGE FUEL SYSTEM PRESSURE

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

  4. DRAIN ENGINE COOLANT

  5. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH

  6. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH

  7. REMOVE FRONT FENDER TO COWL SIDE SEAL LH

  8. REMOVE FRONT FENDER TO COWL SIDE SEAL RH

  9. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

  10. REMOVE WINDSHIELD WIPER MOTOR AND LINK

  11. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

  12. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

  13. REMOVE AIR CLEANER CASE SUB-ASSEMBLY

  14. REMOVE THROTTLE BODY

  15. DISCONNECT FUEL TUBE

  16. REMOVE FUEL DELIVERY PIPE WITH INJECTOR

  17. REMOVE INTAKE MANIFOLD

  18. REMOVE KNOCK SENSOR

Knock Sensor -- Removal



1. DISCHARGE FUEL SYSTEM PRESSURE
HINT:
CAMRY_ACV40 RM000000YCO004X.html.


2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY


    Camry. Acv40 Gsv40

  1. Remove the 2 nuts and cover.



4. DRAIN ENGINE COOLANT
NOTICE:
Do not remove the radiator cap sub-assembly while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.

  1. Remove the radiator cap sub-assembly from the radiator assembly.



  1. Loosen the radiator drain cock plug and cylinder block drain cock plug, then drain the coolant.


    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.


5. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH


    Camry. Acv40 Gsv40

  1. Remove the nut and the front wiper arm and blade assembly LH.



6. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH


    Camry. Acv40 Gsv40

  1. Remove the nut and the front wiper arm and blade assembly RH.



7. REMOVE FRONT FENDER TO COWL SIDE SEAL LH


    Camry. Acv40 Gsv40

  1. Disengage the claw and remove the front fender to cowl side seal LH.



8. REMOVE FRONT FENDER TO COWL SIDE SEAL RH


    Camry. Acv40 Gsv40

  1. Disengage the claw and remove the front fender to cowl side seal RH.



9. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY


    Camry. Acv40 Gsv40

  1. Remove the 2 clips.

  1. Disengage the 4 claws and remove the cowl top ventilator louver sub-assembly.



10. REMOVE WINDSHIELD WIPER MOTOR AND LINK


    Camry. Acv40 Gsv40

  1. Disconnect the connector.



    Camry. Acv40 Gsv40

  1. Remove the 4 bolts and the windshield wiper motor and link assembly.



11. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY


    Camry. Acv40 Gsv40

  1. Remove the 4 bolts, 4 nuts and outer cowl top panel sub-assembly.



12. REMOVE AIR CLEANER CAP SUB-ASSEMBLY


    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Disconnect the mass air flow meter connector (*1).

  1. Disconnect the purge VSV connector (*2).

  1. Disconnect the 2 purge VSV vacuum hoses (*3).

  1. Disconnect the purge line hose from the clamp (*4).



    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Disconnect the No. 2 ventilation hose from the air cleaner hose.



    Camry. Acv40 Gsv40

  1. Lock the No. 1 air cleaner hose clamp, and then disconnect the No. 1 air cleaner hose from the throttle body.



    Camry. Acv40 Gsv40

  1. Remove the 2 bolts and air cleaner cap.

  1. Remove the air cleaner filter element from the air cleaner case.



13. REMOVE AIR CLEANER CASE SUB-ASSEMBLY


    Camry. Acv40 Gsv40

  1. Disconnect the hose clamp.

  1. Remove the 3 bolts and air cleaner case.



14. REMOVE THROTTLE BODY


    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Disconnect the throttle position sensor connector and wire harness clamp.



    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Remove the 4 bolts, and then remove the fuel pipe support and throttle body.



    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Disconnect the purge line hose from the throttle body.

  1. Disconnect the water by-pass hose from the throttle body.

  1. Disconnect the No. 2 water by-pass hose from the throttle body.

  1. Disconnect the No. 1 throttle body hose from the throttle body.



    Camry. Acv40 Gsv40

  1. Remove the gasket from the intake manifold.



15. DISCONNECT FUEL TUBE


    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Remove the No. 1 fuel pipe clamp.

    NOTICE:
    Check for foreign matter on the pipe and around the connector before disconnecting the quick connector. Clean the connector if necessary.


    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. If the connector and pipe are stuck, pinch the connector, and push and pull the pipe to disconnect them.

    NOTICE:
    1. Do not use any tools in this procedure.
    2. Check for foreign matter on the sealing surface of the disconnected pipe. Clean it if necessary.


    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Separate the fuel tube from the fuel hose clamp.



16. REMOVE FUEL DELIVERY PIPE WITH INJECTOR


    Camry. Acv40 Gsv40

  1. Remove the 2 wire harness clamps.

  1. Disconnect the 4 fuel injector connectors.



    Camry. Acv40 Gsv40

  1. Remove the 2 bolts, then remove the fuel delivery pipe together with the 4 fuel injectors.

    NOTICE:
    Be careful not to drop the fuel injectors when removing the fuel delivery pipe.


    Camry. Acv40 Gsv40

  1. Remove the 2 delivery pipe spacers from the cylinder head.

  1. Remove the 4 insulators from the cylinder head.



17. REMOVE INTAKE MANIFOLD

  1. Disconnect the union to check valve hose from the brake booster.



    Camry. Acv40 Gsv40

  1. Disconnect the camshaft timing oil control valve connector.

  1. Remove the wire harness clamp.

  1. Remove the union to check valve hose from the vacuum hose clamp.

  1. Remove the 5 bolts, 2 nuts and intake manifold.



    Camry. Acv40 Gsv40.2Az-Fe Engine Control System.Sfi System.Knock Sensor Removal

  1. Remove the gasket from the intake manifold.



18. REMOVE KNOCK SENSOR


    Camry. Acv40 Gsv40

  1. Disconnect the knock sensor connector.

  1. Remove the nut and knock sensor.