Toyota Tacoma (2015-2018) Service Manual: Air Fuel Ratio Sensor

Toyota Tacoma (2015-2018) Service Manual / 2gr-fks Engine Control / Air Fuel Ratio Sensor

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

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

(a) Disconnect the air fuel ratio sensor connector.

(b) Disengage the clamp to separate the air fuel ratio sensor wire.

SST: 09224-00011

2. REMOVE AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)

(a) Disconnect the air fuel ratio sensor connector.

(b) Disengage the clamp to separate the air fuel ratio sensor wire.

SST: 09224-00011

Inspection

INSPECTION

PROCEDURE

1. INSPECT AIR FUEL RATIO SENSOR

(a) Measure the resistance according to the value(s) in the table below.

Text in Illustration

for Bank 1 Sensor 1

for Bank 2 Sensor 1

Component without harness connected

(Air Fuel Ratio Sensor)

Standard Resistance (for Bank 1 Sensor 1):

Tester Connection	Condition	Specified Condition
1 (HA1A) - 2 (+B)	20°C (68°F)	1.6 to 3.2 Ω
1 (HA1A) - 4 (A1A-)	Always	10 kΩ or higher

Standard Resistance (for Bank 2 Sensor 1):

Tester Connection	Condition	Specified Condition
1 (HA2A) - 2 (+B)	20°C (68°F)	1.6 to 3.2 Ω
1 (HA2A) - 4 (A2A-)	Always	10 kΩ or higher

If the result is not as specified, replace the air fuel ratio sensor.

Installation

INSTALLATION

PROCEDURE

1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1)

HINT:

Perform "Inspection After Repair" after replacing the air fuel ratio sensor (See page ).

(a) Using SST, install the air fuel ratio sensor to the exhaust manifold sub-assembly RH.

Text in Illustration

*a	Torque Wrench Fulcrum Length

SST: 09224-00011

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench (See page ).
When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 38 N*m (384 kgf*cm, 28 ft.*lbf)

(b) Engage the clamp to install the air fuel ratio sensor wire.

2. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1)

HINT:

Perform "Inspection After Repair" after replacing the air fuel ratio sensor (See page ).

(a) Using SST, install the air fuel ratio sensor to the exhaust manifold sub-assembly LH.

Text in Illustration

*a	Torque Wrench Fulcrum Length

SST: 09224-00011

Torque:

Specified tightening torque :

44 N·m {449 kgf·cm, 32 ft·lbf}

HINT:

Calculate the torque wrench reading when changing the fulcrum length of the torque wrench (See page ).
When using SST (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 38 N*m (384 kgf*cm, 28 ft.*lbf)

(b) Engage the clamp to install the air fuel ratio sensor wire.

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Toyota Tacoma (2015-2018) Service Manual: Air Fuel Ratio Sensor

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