Toyota 2GR-FE Manual page 307

Required Sensors/Components (Main)
Required Sensors/Components (Sub)
Frequency of Operation
Duration
MIL Operation
Sequence of Operation
TYPICAL ENABLING CONDITIONS
All:
Monitor runs whenever following DTCs are not present
After engine stop:
Time after engine start
Battery voltage
ECT sensor circuit
ECT change since engine stopped
ECT before engine stop
Time that MAF is low before engine stop
Accumulated MAF amount before engine stop
Key-off duration
After cold engine start:
Key-off duration
Time after engine start
ECT sensor circuit
ECT
Accumulated MAF amount
One of the following conditions 1 or 2 is met:
1. Duration while engine load is low
2. Duration while engine load is high
TYPICAL MALFUNCTION THRESHOLDS
After engine stop:
IAT change
After cold engine start:
IAT change
WIRING DIAGRAM
Refer to DTC P0110 (See page ES-138).
INSPECTION PROCEDURE
1
CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn the tester on.
(d) Enter the following menus: DIAGNOSIS / ENHANCED
OBD II / DTC INFO / CURRENT CODES.
Intake Air Temperature (IAT) sensor
-
Once per driving cycle
5 hours
2 driving cycles
None
None
10 seconds or more
10.5 V or more
OK
Less than 180°C (356°F)
70°C (158°F) or more
70 minutes
3,800 g or more
30 minutes
5 hours
10 seconds or more
OK
70°C (158°F) or more
6,300 g or more
-
129 seconds or more
10 seconds or more
Less than 1°C (2°F)
Less than 1°C (2°F)
ES–151
ES