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Inspection Procedure

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

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

Read DTCs.

Result

DTC RESULT DESCRIPTION CHART

Result	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

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