Tacoma Extra Cab 2WD V6-3.4L (5VZ-FE) (1998)
2.
Start the engine.
3.
Perform the drive pattern to run and complete the Oxygen Sensor (O2S) Monitor.
HINT:
The 02S 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 167°F (75°C) 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 167°F (75°C).
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 "off-idle" 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 6mph (10km/h).
F.
Repeat steps B - E at least twice in one driving cycle.
Accessing O2S Test Results
1.
On the Diagnostic Tester* screen, select the following menus:
^
DIAGNOSTICS
^
CARB OBD II