Air-Fuel Ratio Sensor

Air Fuel Ratio Sensor:

REMOVAL

1. PRECAUTION

CAUTION: The hybrid system uses high voltage circuits, so improper handling could cause an electric shock or leakage. During service (e.g. installing or removing the parts, inspection, replacing the parts), be sure to follow the procedures.

2. REMOVE RADIATOR SUPPORT OPENING COVER
3. REMOVE ENGINE UNDER COVER LH
4. REMOVE ENGINE UNDER COVER RH
5. DRAIN HV COOLANT
6. REMOVE REAR NO. 2 FLOOR BOARD
7. REMOVE REAR DECK FLOOR BOX
8. REMOVE REAR NO. 3 FLOOR BOARD
9. 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.

10. REMOVE SERVICE PLUG GRIP
11. REMOVE FRONT WIPER ARM COVER
12. REMOVE FRONT WIPER ARM LH
13. REMOVE FRONT WIPER ARM RH
14. REMOVE HOOD TO COWL TOP SEAL
15. REMOVE COWL TOP VENTILATOR LOUVER LH
16. REMOVE COWL TOP VENTILATOR LOUVER RH
17. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
18. REMOVE FRONT COWL TOP PANEL OUTER
19. REMOVE INVERTER COVER
20. VERIFY THAT VOLTAGE OF INVERTER WITH CONVERTER IS 0 V
21. DISCONNECT NO. 2 INVERTER COOLING HOSE
22. DISCONNECT NO. 1 INVERTER COOLING HOSE
23. DISCONNECT NO. 6 INVERTER COOLING HOSE
24. DISCONNECT NO. 1 CIRCUIT BREAKER SENSOR
25. DISCONNECT FRAME WIRE
26. REMOVE CONVERTER WITH INVERTER ASSEMBLY

27. REMOVE AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)
a. Remove the wire harness clamp from the air fuel ratio sensor.
b. Disconnect the air fuel ratio sensor connector.
c. Using SST, remove the air fuel ratio sensor.

SST 09224-00010

INSTALLATION

1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)
a. Using SST, install the sensor.

SST 09224-00010

Torque: 44 N.m (449 kgf.cm, 32 ft. lbf) for use with SST
40 N.m (408 kgf.cm, 30 ft.lbf) for use without SST

HINT: Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).

b. Connect the sensor connector.
c. Install the wire harness clamp to the sensor.

2. INSTALL CONVERTER WITH INVERTER ASSEMBLY
3. CONNECT FRAME WIRE
4. CONNECT NO. 1 CIRCUIT BREAKER SENSOR
5. CONNECT NO. 6 INVERTER COOLING HOSE
6. CONNECT NO. 1 INVERTER COOLING HOSE
7. CONNECT NO. 2 INVERTER COOLING HOSE
8. INSTALL INVERTER COVER
9. INSTALL FRONT COWL TOP PANEL OUTER
10. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
11. INSTALL COWL TOP VENTILATOR LOUVER RH
12. INSTALL COWL TOP VENTILATOR LOUVER LH
13. INSTALL HOOD TO COWL TOP SEAL
14. INSTALL FRONT WIPER ARM LH
15. INSTALL FRONT WIPER ARM RH
16. INSTALL FRONT WIPER ARM COVER
17. INSTALL REAR NO. 3 FLOOR BOARD
18. INSTALL REAR DECK FLOOR BOX
19. INSTALL REAR NO. 2 FLOOR BOARD
20. INSTALL SERVICE PLUG GRIP
21. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
22. ADD HV COOLANT
23. CHECK FOR ENGINE COOLANT LEAKAGE
24. INSTALL ENGINE UNDER COVER RH
25. INSTALL ENGINE UNDER COVER LH
26. INSTALL RADIATOR SUPPORT OPENING COVER
27. PERFORM INITIALIZATION
a. Perform initialization

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