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.

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0111)

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 (Output)	Proceed To
P0111 and other DTCs	A
P0111	B

HINT:

If any DTCs other than P0111 are output, troubleshoot those DTCs first.

B: REPLACE MASS AIR FLOW METER (See REMOVAL )

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