Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Read freeze frame data using a Techstream. Freeze frame data record 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.

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P2111 OR P2112)

Connect a Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the tester ON.
Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

Read DTCs.

Result

RESULT CHART

Display (DTC Output)	Proceed To
P2111 or P2112	A
P2111 or P2112 and other DTCs	B

HINT:

If any DTCs other than P2111 or P2112 are output, troubleshoot those DTCs first.

B: GO TO DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART )

A: Go to Next Step

INSPECT THROTTLE BODY (VISUALLY CHECK THROTTLE VALVE)
1. Check for contamination between the throttle valve and the housing. If necessary, clean the throttle body. And check that the throttle valve moves smoothly.
  OK: Throttle valve is not contaminated with foreign objects and moves smoothly.
NG: REPLACE THROTTLE BODY (See REMOVAL )

OK: Go to Next Step

CHECK WHETHER DTC OUTPUT RECURS (DTC P2111 OR P2112)

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the tester ON.
Clear DTCs (See DTC CHECK/CLEAR ).
Start the engine, and fully depress and release the accelerator pedal quickly (to fully open and close the throttle valve).
Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

Read DTCs.

Result

RESULT CHART

Display (DTC Output)	Proceed To
No DTC	A
P2111 or P2112	B

B: REPLACE ECM (See REMOVAL )

A: CHECK FOR INTERMITTENT PROBLEMS (See CHECK FOR INTERMITTENT PROBLEMS )