Toyota 2GR-FE Manual page 191

Monitor Drive Pattern:
ECT: 75°C (167°F) or more
Vehicle Speed
38 to 75 mph
(60 to 120 km/h)
Idling
Warming up
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(c) Monitor Status
4. A/F SENSOR AND HO2S MONITORS
Accelerator Pedal Depressed
10 minutes or more
(a) Preconditions
(b) Drive Pattern for front A/F sensor and HO2 sensor
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch on (IG).
(3) Turn the tester or scan tool on.
(4) Check the Readiness Monitor status displayed
on the tester or scan tool.
If the status does not switch to COMPL
(complete), restart the engine, make sure that
the preconditions have been met, and then
perform the Monitor Conditions again.
At least 3 times
40 mph (64 km/h)
or more
10 seconds or more
The monitor will not run unless:
• 2 minutes or more have elapsed since the engine
was started.
• The Engine Coolant Temperature (ECT) is 75°C
(167°F) or more.
• Cumulative driving time at a vehicle speed of 30
mph (48 km/h) or more exceeds 6 minutes.
• Air-fuel ratio feedback control is performed.
• Fuel-cut control is performed for 8 seconds or
more (for the Rear HO2 Sensor Monitor).
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch on (IG).
(3) Turn the tester on.
(4) Clear the DTCs.
(5) Start the engine, and warm it up until the ECT
reaches 75°C (167°F) or higher.
(6) Drive the vehicle at 38 mph (60 km/h) or more
for at least 10 minutes.
(7) Change the transmission to the 2nd gear.
(8) Accelerate the vehicle to 40 mph (64 km/h) or
more by depressing the accelerator pedal for at
least 10 seconds (Procedure "A").
ES–35
Accelerator
ES
Pedal Released
(Fuel-cut)
6 mph (10
km/h)
Time
4 seconds or more
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