Toyota 2GR-FE Manual page 488

ES–332
DTC
DTC
SYSTEM DESCRIPTION
The throttle actuator is operated by the ECM, and opens and closes the throttle valve using the gears.
The opening angle of the throttle valve is detected by the Throttle Position (TP) sensor, which is mounted
on the throttle body. The TP sensor provides feedback to the ECM. This feedback allows the ECM to
appropriately control the throttle actuator and monitor the throttle opening angle as the ECM responds to
driver inputs.
HINT:
This ETCS (Electronic Throttle Control System) does not use a throttle cable.
ES
DTC No.
P2111
P2112
MONITOR DESCRIPTION
The ECM determines that there is a malfunction in the ETCS when the throttle valve remains at a fixed
angle despite a high drive current from the ECM. The ECM illuminates the MIL and sets a DTC.
If the malfunction is not repaired successfully, a DTC is set when the accelerator pedal is fully depressed
and released quickly (to fully open and close the throttle valve) after the engine is next started.
MONITOR STRATEGY
Related DTCs
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
P2111 (Throttle actuator stuck open):
System guard*
Throttle actuator current
Duty cycle to close throttle
P2112 (Throttle actuator stuck closed):
System guard*
Throttle actuator current
Duty cycle to open throttle
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
P2111 Throttle Actuator Control System - Stuck Open
Throttle Actuator Control System - Stuck
P2112
Closed
DTC Detection Condition
ECM signals throttle actuator to close, but stuck
(1 trip detection logic)
ECM signals throttle actuator to open, but stuck
(1 trip detection logic)
• Throttle actuator
• Throttle body
• Throttle valve
• Throttle actuator
• Throttle body
• Throttle valve
P2111: Throttle actuator stuck open
P2112: Throttle actuator stuck closed
Throttle actuator
-
Continuous
0.5 seconds
Immediate
None
None
ON
2 A or more
80 % or more
ON
2 A or more
80 % or more
Trouble Area