Toyota Tundra (2015 year). Manual — part 2007
TYPICAL ENABLING CONDITIONS
All:
Monitor runs whenever following DTCs not present
None
System guard* judge condition
ON
*System guard is ON when the following conditions set
-
Throttle actuator
ON
Throttle actuator duty calculation
Executing
Throttle position sensor fail
Not detected
Throttle actuator current-cut operation
Not executing
Throttle actuator power supply
4 V or higher
Throttle actuator fail
Not detected
P2111 (Throttle actuator stuck open):
System guard judge condition
ON
Throttle actuator current
2 A or more
Duty cycle to close throttle
80% or more
P2112 (Throttle actuator stuck closed):
System guard judge condition
ON
Throttle actuator current
2 A or more
Duty cycle to open throttle
80% or more
TYPICAL MALFUNCTION THRESHOLDS
TP sensor voltage change
No change
CONFIRMATION DRIVING PATTERN
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2111,P2112;...
Connect the Techstream to the DLC3.
1.
Turn the ignition switch to ON and turn the Techstream on.
2.
Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
3.
Turn the ignition switch off and wait for at least 30 seconds.
4.
Turn the ignition switch to ON and turn the Techstream on [A].
5.
Start the engine and fully depress and release the accelerator pedal quickly (to fully open and close
the throttle valve).
6.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes [B].
7.
Read the Pending DTCs.
HINT:
If a pending DTC is output, the system is malfunctioning.
If a pending DTC is not output, perform the following procedure.
8.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
9.
Input the DTC: P2111 or P2112.
10.
Check the DTC judgment result.
TESTER
DISPLAY
DESCRIPTION
NORMAL
DTC judgment completed
System normal
ABNORMAL
DTC judgment completed
System abnormal
INCOMPLETE
DTC judgment not completed
Perform driving pattern after confirming DTC enabling conditions
N/A
Unable to perform DTC judgment
HINT:
If the judgment result shows ABNORMAL, the system has a malfunction.
11.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2111,P2112;...
If the test result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and
check for permanent DTCs
.
HINT:
If a permanent DTC is output, the system is malfunctioning.
If no permanent DTC is output, the system is normal.
12.
FAIL-SAFE
actuator, and the throttle valve is returned to a 7° throttle angle by the return spring. The ECM then adjusts
the engine output by controlling the fuel injection (intermittent fuel-cut) and ignition timing, in accordance with
the accelerator pedal opening angle, to allow the vehicle to continue at a minimal speed. If the accelerator
pedal is depressed firmly and gently, the vehicle can be driven slowly.
Fail-safe mode continues until a pass condition is detected, and the ignition switch is then turned OFF.
WIRING DIAGRAM
Refer to DTC P2102
.
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the Techstream. Freeze frame data records the engine condition when
malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle
was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and
other data from the time the malfunction occurred.
PROCEDURE
1.
CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2111 OR P2112)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Read DTCs.
Result
RESULT
PROCEED TO
DTC P2111 or P2112 is output
A
DTC P2111 or P2112 and other DTCs are output
B
HINT:
If any DTCs other than P2111 or P2112 are output, troubleshoot those DTCs first.
B
GO TO DTC CHART
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2111,P2112;...
A
OK
2.
INSPECT THROTTLE BODY (VISUALLY CHECK THROTTLE VALVE)
(a) Check for contamination between the throttle valve and housing. If necessary, clean the
throttle body. Also check that the throttle valve moves smoothly.
OK:
Throttle valve is not contaminated with foreign objects and moves smoothly.
HINT:
Perform "Inspection After Repair" after replacing the throttle body
.
NG
GO TO STEP 4
3.
READ VALUE USING TECHSTREAM (THROTTLE POSITION)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Throttle
Position No. 1, Throttle Position No. 2 and Throttle Position Command.
(h) Read the values displayed on the Techstream while wiggling the ECM wire harness.
(i) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(j) Read DTCs.
Result
RESULT
PROCEED TO
Value in Data List changes when wire harness is wiggled, or DTC is output*
A
Other than above
B
.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2111,P2112;...
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст