Toyota 2GR-FE Manual page 192

ES–36
ES
Vehicle Speed
25 mph
(40 km/h)
Idling
Ignition Switch off
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(c) Monitor Status
5. AIR-FUEL RATIO (A/F) AND HEATED OXYGEN (HO2)
SENSOR HEATER MONITORS (FRONT A/F AND
REAR HO2 SENSOR TYPE)
10 minutes or more
(a) Preconditions
(b) Drive Pattern
(9) Soon after performing procedure "A" above,
release the accelerator pedal for at least 4
seconds without depressing the brake pedal, in
order to execute fuel-cut control (Procedure "B").
(10)Allow the vehicle to decelerate until the vehicle
speed declines to less than 6 mph (10 km/h)
(Procedure "C").
(11)Repeat procedures from "A" through "C" above
at least 3 times in one driving cycle.
(1) Check the Readiness Monitor status displayed
on the tester.
(2) If the status does not switch to COMPL
(complete), make sure that the preconditions
have been met and then perform the Drive
Pattern again.
2 minutes or more
The monitor will not run unless:
• The MIL is OFF.
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch on (IG).
(3) Clear the DTCs.
(4) Start the engine.
(5) Allow the engine to idle for 10 minutes or more.
(6) Drive the vehicle at 25 mph (40 km/h) or more
for at least 2 minutes.
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