Ok

3

Check output voltage of heated oxygen sensor (bank 1 sensor 2).

PREPARATION:

(a) Remove the fuse cover on the instrument panel.

(b) Connect the OBD II scan tool or TOYOTA hand-held tester to the DLC3.

(c) After warming up the engine, race the engine at 2,500 rpm for 3 minutes. CHECK:

Read the output voltage of the heated oxygen sensor (bank 1 sensor 2) when racing the engine after 3 minutes have elapsed. OK:

Heated oxygen sensor output voltage: Alternates from 0.4 V or less to 0.5 V or more.

Replace heated oxygen sensor.

DI1ED-1 1

DTC

P0135

Heated Oxygen Sensor Heated Circuit Malfunction (Bank 1 Sensor 1)

DTC

P0141

Heated Oxygen Sensor Heated Circuit Malfunction (Bank 1 Sensor 2)

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