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. REMOVE SERVICE PLUG GRIP
4. DRAIN ENGINE COOLANT
5. REMOVE COOL AIR INTAKE DUCT SEAL




a. Remove the 7 clips and duct seal.

6. REMOVE ENGINE ROOM SIDE COVER LH




a. Remove the 4 clips and side cover.

7. REMOVE ENGINE ROOM SIDE COVER RH




a. Remove the 3 clips and side cover.

8. REMOVE V-BANK COVER




a. Detach the 3 clips and remove the engine cover.

9. REMOVE FRONT UPPER FENDER PROTECTOR LH
10. REMOVE FRONT UPPER FENDER PROTECTOR RH
11. REMOVE FRONT FENDER TO COWL SIDE SEAL LH
12. REMOVE FRONT FENDER TO COWL SIDE SEAL RH
13. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH
14. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH
15. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY
16. REMOVE NO. 2 VENTILATION HOSE
17. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE
18. REMOVE THROTTLE BODY
19. REMOVE INTAKE AIR SURGE TANK
20. REMOVE INTAKE MANIFOLD
21. REMOVE WATER HOSE JOINT
22. REMOVE FUEL PRESSURE PULSATION DAMPER
23. REMOVE NO. 1 FUEL PIPE
24. DISCONNECT NO. 2 FUEL PIPE
25. REMOVE FUEL PUMP ASSEMBLY
26. REMOVE NO. 2 FUEL PIPE
27. REMOVE NO. 3 FUEL PIPE
28. REMOVE NO. 2 FUEL DELIVERY PIPE
29. REMOVE NO. 1 FUEL DELIVERY PIPE
30. REMOVE FUEL INJECTOR ASSEMBLY
31. REMOVE FUEL INJECTOR SEAL
32. 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°

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. INSTALL 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. ADD ENGINE COOLANT
19. INSTALL COWL TOP VENTILATOR LOUVER SUBASSEMBLY
20. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH
21. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH
22. INSTALL FRONT FENDER TO COWL SIDE SEAL LH
23. INSTALL FRONT FENDER TO COWL SIDE SEAL RH
24. INSTALL FRONT UPPER FENDER PROTECTOR LH
25. INSTALL FRONT UPPER FENDER PROTECTOR RH
26. INSTALL SERVICE PLUG GRIP
27. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
28. CHECK FOR ENGINE COOLANT LEAKAGE
29. CHECK FOR FUEL LEAKAGE
30. CHECK FUNCTION THROTTLE BODY
31. INSTALL V-BANK COVER




a. Attach the 3 clips to install the engine cover.

32. INSTALL ENGINE ROOM SIDE COVER LH




a. Install the side cover with the 4 clips.

33. INSTALL ENGINE ROOM SIDE COVER RH




a. Install the side cover with the 3 clips.

34. INSTALL COOL AIR INTAKE DUCT SEAL




a. Install the intake duct seal with the 7 clips.

35. PERFORM INITIALIZATION
a. Perform initialization.

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