M20F-FXS, M20G-FXS ENGINE CONTROL  AIR FUEL RATIO SENSOR(for Sensor 1)  INSPECTION  

2.073,0.823 2.49,0.823 true 0.938,0.813 1.354,0.813 true 0.948,1.365 1.365,1.365 true 0.073,0.083 0.396,0.333 0.323,0.25 10 false *a 0.708,0.729 1.031,0.979 0.323,0.25 10 false +B 2.531,0.74 3.156,1.01 0.625,0.271 10 false HA1A 0.594,1.281 1.219,1.552 0.625,0.271 10 false A1A-

*a	Component without harness connected (Air Fuel Ratio Sensor)

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.