NR Series ENGINE CONTROL  AIR FUEL RATIO SENSOR(for Sensor 1)  INSPECTION  

1.958,0.802 2.125,0.385 2.125,0.385 2.292,0.385 true 1.458,1.458 1.292,1.875 1.292,1.875 1.125,1.875 true 1.469,0.802 1.302,0.385 1.302,0.385 1.135,0.385 true 0.094,0.083 0.406,0.281 0.313,0.198 10 false *a 0.917,0.302 1.229,0.5 0.313,0.198 10 false +B 2.344,0.302 2.833,0.49 0.49,0.188 10 false HA1A 0.76,1.771 1.25,1.958 0.49,0.188 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.