Are there any other codes besides DTC P being output

Go to relevant DTC chart (See page DI-14).

2

Check the output voltage of heated oxygen sensor during idling.

PREPARATION:

Warm up the heated oxygen sensor the engine at 2,500 rpm for approx. 90 sec. CHECK:

Use the OBD II scan tool or TOYOTA hand-held tester read the output voltage of the heated oxygen sensor during idling.

Oxygen sensor output voltage:

Alternates repeatedly between less than 0.42 V and more than 0.48 V (See the Following table).

0 K

N G

N G

o v -

w

zss

Ah

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