Toyota FJ Cruiser (GSJ 10, 15 series). Manual — part 18
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
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•
The vehicle is at stationary.
•
The engine coolant temperature is between
4.4
°C and 35°C (40°F and 95°F).
•
The intake air temperature is between 4.4
°C and
35
°C (40°F and 95°F).
•
Vehicle was driven in the city area (or on free-
way) for 10 minutes or more.
(b) Monitor Conditions
(1) Turn the ignition switch OFF and wait for 6
hours.
HINT:
Do not start the engine until checking Readiness
Monitor Status. If the engine is started, the step
described above must be repeated.
(c) Monitor Status
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch ON.
(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.
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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
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3.
AIR-FUEL RATIO (A/F) AND HEATED OXYGEN (HO2)
SENSOR MONITORS (ACTIVE AIR-FUEL RATIO
CONTROL TYPE)
(a) Preconditions
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)
(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.
(3) Turn the tester ON.
(4) Clear DTCs (See page
).
(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 2nd gear.
(8) Accelerate the vehicle to 40 mph (64 km/h) or
more by depressing the accelerator pedal for at
least 10 seconds.
ETC: 75°C (167°F) or higher
Monitor Drive Pattern
Vehicle Speed
At least 3 times
Accelerator Pedal
Released (Fuel-cut)
Accelerator Pedal
Depressed
Idling
Warming up
10 minutes
or more
4 seconds
or more
10 seconds
or more
Time
38 to 75 mph
(60 to 120 km/h)
40 mph (64 km/h)
or more
(5)
(6)
(7)
(8)
(9)
(10)
6 mph
(10 km/h)
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(9) Soon after performing step (8) above, release
the accelerator pedal for at least 4 seconds
without depressing the brake pedal, in order to
execute fuel-cut control.
(10)Allow the vehicle to decelerate until the vehicle
speed declines to less than 6 mph (10 km/h).
(11)Repeat steps from (8) through (10) above at
least 3 times in one driving cycle.
(c) Monitor Status
(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 steps from (5)
through (11) in Drive Pattern above.
4.
AIR-FUEL RATIO (A/F) AND HEATED OXYGEN (HO2)
SENSOR HEATER MONITORS (FRONT A/F AND
REAR HO2 SENSOR TYPE)
(a) Preconditions
The monitor will not run unless:
•
The MIL is OFF
(b) Drive Pattern
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch ON.
(3) Turn the tester or scan tool ON.
(4) Clear DTCs (See page
(5) Start the engine.
(6) Allow the engine to idle for 10 minutes or more.
(7) Drive the vehicle at 25 mph (40 km/h) or more
for at least 2 minutes.
2 minutes or more
25 mph (40 km/h)
Idling
Ignition Switch OFF
10 minutes or more
(6)
(7)
Vehicle Speed
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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
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(c) Monitor Status
(1) Check the Readiness Monitor Status displayed
on the tester or scan tool.
If the status does not switch to COMPL
(complete), make sure that the preconditions
have been met, and repeat steps through (5) to
(7) described in the Drive Pattern above.
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