Removal

4GR-FSE EMISSION CONTROL: AIR FUEL RATIO SENSOR (for Sensor 1): REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2. REMOVE COOL AIR INTAKE DUCT SEAL Removal

3. REMOVE ENGINE ROOM SIDE COVER LH Removal

4. REMOVE ENGINE ROOM SIDE COVER RH Removal

5. REMOVE NO. 1 FLOOR UNDER COVER (for 2WD) Removal

6. REMOVE NO. 2 FLOOR UNDER COVER (for 2WD) Removal

7. REMOVE NO. 2 ENGINE UNDER COVER (for 2WD)

8. REMOVE REAR NO. 1 FLOOR PANEL BRACE Removal

9. REMOVE FRONT CENTER FLOOR BRACE Removal

10. REMOVE HEATED OXYGEN SENSOR (for 2WD) Removal

11. REMOVE HEATED OXYGEN SENSOR (for 4WD) Removal

12. REMOVE FRONT EXHAUST PIPE ASSEMBLY Removal

13. REMOVE BATTERY Removal

14. REMOVE POWER STEERING ECU ASSEMBLY Removal

15. REMOVE BATTERY TRAY

(a) Remove the 2 bolts and battery tray.





16. REMOVE NO. 1 RELAY BLOCK COVER

17. REMOVE NO. 4 ENGINE WIRE

18. REMOVE ENGINE ROOM RELAY BLOCK ASSEMBLY

(a) Remove the 2 bolts, nut and engine room relay block assembly.

19. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH

(a) Disconnect the air fuel ratio sensor connector.





(b) Remove the 6 nuts, exhaust manifold sub-assembly LH and gasket.

20. REMOVE NO. 3 RELAY BLOCK ASSEMBLY

21. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)

(a) Disconnect the 2 clamps and connector.





(b) Using SST, remove the sensor from the exhaust manifold RH.





SST : 09224-00010

22. REMOVE AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1)

(a) Using SST, remove the sensor from the exhaust manifold LH.





SST : 09224-00010