Toyota Camry Manual page 1301

DI–274
6 Check gas leakage on exhaust system.
OK
7 Check the output voltage of heated oxygen sensors (bank1, 2 sensor1) during
idling.
PREPARATION:
Warm up the heated oxygen sensors (bank1, 2 sensor1) the engine at 2,500 rpm for approx. 90 sec.
CHECK:
Use the OBDII scan tool or TOYOTA hand–held tester to read the output voltage of the heated oxygen sen-
sors (bank1, 2 sensor1) during idling.
OK:
Heated oxygen sensors (bank1, 2 sensor1) output voltage:
Alternates repeatedly between less than 0.4 V and more than 0.55 V (See the Following table).
NG
DIAGNOSTICS – ENGINE (1MZ–FE)
NG Repair or replace.
OK Go to step 9.
Author : Date :
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