Air Fuel Ratio Sensor

COMPONENTS

2006 ENGINE Emission Control - Sequoia

Air Fuel Sensor Toyota 4runner Location
Fig. 59: Identifying Air Fuel Ratio Sensor Components With Specified Torque Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

ON-VEHICLE INSPECTION

1. INSPECT AIR FUEL RATIO SENSOR

a. Disconnect the air fuel ratio sensor connector.

b. Using an ohmmeter, measure the resistance between terminals +B and HT. Resistance: 11 to 16 kohm at 20°C (68°F)

If the resistance is not as specified, replace the sensor. Torque: 44 N*m (450 kgf*cm, 32 ft.*lbf)

c. Reconnect the air fuel ratio sensor connector.

Location Air Fuel Sensor Sequoia
Fig. 60: Measuring Resistance Between Terminals +B & HT Using Ohmmeter Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. INSPECT AIR FUEL RATIO COMPENSATION SYSTEM

a. Measure the voltage between the terminals of the ECM connectors.

Standard

TESTER CONNECTION - SPECIFIED CONDITION

Tester Connection

Condition

Specified Condition

B2-22 (A1A+) - B1-1 (E1)

Ignition switch ON

3.3 V

B2-30 (A1A-) - B1-1 (E1)

Ignition switch ON

2.9 V

2006 ENGINE Emission Control - Sequoia

B2-23 (A2A+) - B1-1 (E1)

Ignition switch ON

3.3 V

B2-31 (A2A-) - B1-1 (E1)

Ignition switch ON

2.9 V

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Responses

  • blanda romano
    How do you replace Air Fuel Ratio Sensor on sequoia?
    8 years ago
  • thomas pillow
    How to replace air fuel ratio sensor toyota prius 2006?
    8 years ago
  • Joseph
    How to diagnose air fuel sensor with ohmmeter?
    8 years ago
  • clizia conti
    How to check air fuel ratio sensor 2002 sienna?
    8 years ago
  • Samira
    Where is the airbag sensor located on a 2007 toyota yaris?
    7 years ago
  • MADELINE
    What is the resistance of a good 2001 camry air fuel ratio sensor?
    3 years ago

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