Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. 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 P0121)

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

Read the DTC.

Result

RESULT REFERENCE

Display (DTC Output)	Proceed To
P0121	A
P0121 and other DTCs	B

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

A: REPLACE THROTTLE WITH MOTOR BODY ASSEMBLY (See REMOVAL )