O2S TEST RESULTS (MODE 05) ± SS002-03December 17, 2003
Page 2 of 43
1. Clear any stored Diagnostic Trouble Codes (DTCs) using the Toyota
Diagnostic Tester.
2. Start the engine.
3. Perform the drive pattern below to run and complete the Oxygen Sensor (O2S) Monitor.
O2S Monitor Drive Pattern
ECT: 167F (75C) or more
Vehicle Speed
At Least 8 Times
48 km/h (30 mph)
IdlingAt Least Twice Accelerator Pedal
DepressingAccelerator Pedal
Releasing (Fuel±Cut)
6 mph
(10 km/h)
Time2 min.
or more40 sec
or more20 sec
or more10 sec
or more10 sec
or more
HINT:
The O2S Monitor is completed when the following conditions are met:
Two (2) minutes or more passed after the engine start.
The Engine Coolant Temperature (ECT) is 167F (75C) or more.
Cumulative running time at 30 mph (48 km/h) or more exceeds 6 minutes.
Vehicle is in closed loop.
The fuel±cut is operated for 8 seconds or more (for Rear O2S Monitor).
A. Allow the engine to idle for two minutes.
B. Warm up the engine until the Engine Coolant Temperature (ECT) reaches 167F
(75C).
C. Drive the vehicle over 30 mph (48 km/h) for more than 40 seconds.
D. Stop the vehicle and allow the engine to idle for more than 20 seconds.
E. Repeat steps C and D at least 8 times in one driving cycle.
(Do not cycle the ignition key.)
In addition, perform the following steps for the Rear O2S Readiness Monitor:
A. Select second gear.
B. Allow the vehicle to run at 30 mph (48 km/h) or more.
C. Keep the accelerator pedal ªoff±idleº for more than 10 seconds.
D. Immediately after step C, release the accelerator pedal for at least 10 seconds
without depressing the brake pedal (to execute the fuel±cut).
E. Decelerate the vehicle until the vehicle speed reaches less than 6 mph (10 km/h).
F. Repeat steps B ± E at least twice in one driving cycle.
Completing
O2S
Readiness
Monitor
