Air Fuel Ratio Sensor Relay: Inspection: Inspection

INSPECT AIR FUEL RATIO SENSOR RELAY

Using an ohmmeter, measure the resistance according to the value(s) in the table below.

Fig 1: Identifying Relay Diagram & Test Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance

Tester Connection	Specified Condition
3 - 5	10 kΩ or higher
3 - 5	Below 1 Ω (Apply battery voltage between terminals 1 and 2)

If the result is not as specified, replace the relay.