AIR FUEL RATIO SENSOR (for AWD): Inspection: Inspection

INSPECT AIR FUEL RATIO SENSOR

Fig 1: Identifying Air Fuel Ratio Sensor Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard resistance

Tester Connection	Condition	Specified Condition
1 (HA1A) - 2 (+B) 1 (HA2A) - 2 (+B)	20°C (68°F)	1.8 to 3.4 Ω

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