Knock Sensor: Service and Repair

REMOVAL

CAUTION: Do not allow fuel to spray when removing the pipe between the high pressure side fuel pump and the fuel injectors. The fuel in the pipe is highly pressurized.

1. DISCHARGE FUEL SYSTEM PRESSURE
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

3. DRAIN ENGINE COOLANT
4. REMOVE COOL AIR INTAKE DUCT SEAL
5. REMOVE ENGINE ROOM SIDE COVER RH
6. REMOVE ENGINE ROOM SIDE COVER LH
7. REMOVE V-BANK COVER
8. REMOVE FRONT UPPER FENDER PROTECTOR LH
9. REMOVE FRONT UPPER FENDER PROTECTOR RH
10. REMOVE FRONT FENDER TO COWL SIDE SEAL LH
11. REMOVE FRONT FENDER TO COWL SIDE SEAL RH
12. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH
13. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH
14. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
15. DISCONNECT NO. 2 VENTILATION HOSE
16. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
17. REMOVE THROTTLE BODY
18. REMOVE INTAKE AIR SURGE TANK
19. REMOVE INTAKE MANIFOLD
20. DISCONNECT WATER HOSE JOINT
21. REMOVE FUEL PRESSURE PULSATION DAMPER
22. REMOVE NO. 1 FUEL PIPE
23. DISCONNECT NO. 2 FUEL PIPE
24. REMOVE FUEL PUMP ASSEMBLY
25. REMOVE NO. 2 FUEL PIPE
26. REMOVE NO. 3 FUEL PIPE
27. REMOVE NO. 2 FUEL DELIVERY PIPE
28. REMOVE NO. 1 FUEL DELIVERY PIPE
29. REMOVE FUEL INJECTOR ASSEMBLY
30. REMOVE FUEL INJECTOR SEAL
31. REMOVE KNOCK SENSOR
a. Disconnect the 2 knock sensor connectors.




b. Remove the 2 bolts and 2 knock sensors.

INSTALLATION

1. INSTALL KNOCK SENSOR




a. Install the 2 knock sensors so that they are horizontal as shown in the illustration. Then install the 2 bolts.

Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)

HINT:
- It is acceptable for the sensor to be tilted +10 to -5°.
- The bank 1 connector is black and the bank 2 connector is gray.

b. Connect the 2 knock sensor connectors.

2. INSTALL FUEL INJECTOR SEAL
3. INSTALL FUEL INJECTOR ASSEMBLY
4. INSTALL NO. 1 FUEL DELIVERY PIPE
5. INSTALL NO. 2 FUEL DELIVERY PIPE
6. INSTALL NO. 3 FUEL PIPE
7. INSTALL NO. 2 FUEL PIPE
8. INSTALL FUEL PUMP ASSEMBLY
9. CONNECT NO. 2 FUEL PIPE
10. INSTALL NO. 1 FUEL PIPE
11. INSTALL FUEL PRESSURE PULSATION DAMPER
12. CONNECT WATER HOSE JOINT
13. INSTALL INTAKE MANIFOLD
14. INSTALL INTAKE AIR SURGE TANK
15. INSTALL THROTTLE BODY
16. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE
17. CONNECT NO. 2 VENTILATION HOSE
18. CHECK FOR FUEL LEAKAGE
19. ADD ENGINE COOLANT
20. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
21. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH
22. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH
23. INSTALL FRONT FENDER TO COWL SIDE SEAL LH
24. INSTALL FRONT FENDER TO COWL SIDE SEAL RH
25. INSTALL FRONT UPPER FENDER PROTECTOR LH
26. INSTALL FRONT UPPER FENDER PROTECTOR RH
27. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
28. CHECK FOR ENGINE COOLANT LEAKAGE
29. CHECK FUNCTION THROTTLE BODY
30. INSTALL V-BANK COVER
31. INSTALL ENGINE ROOM SIDE COVER LH
32. INSTALL ENGINE ROOM SIDE COVER RH
33. INSTALL COOL AIR INTAKE DUCT SEAL
34. PERFORM INITIALIZATION
a. Perform initialization

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.