Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AYT6
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: 2GR-FKS (ENGINE CONTROL): AIR FUEL RATIO SENSOR: INSPECTION; 2019 - 2022 MY Avalon [04/2018 -        ]

INSPECTION

PROCEDURE

1. INSPECT AIR FUEL RATIO SENSOR (for Bank 1)

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

Standard Resistance:

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

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

*a

Component without harness connected

(Air Fuel Ratio Sensor)

2. INSPECT AIR FUEL RATIO SENSOR (for Bank 2)

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

Standard Resistance:

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.

*a

Component without harness connected

(Air Fuel Ratio Sensor)