CONNECT SUBARU SELECT MONITOR OR GENERAL SCAN TOOL, AND READ THE DATA.

1) Turn the ignition switch to OFF.

2) Connect the Subaru Select Monitor or general scan tool to data link connector.

3) Turn the ignition switch to ON, and the Subaru Select Monitor or general scan tool power switch to ON.

4) Start the engine.

5) Read the mass air flow sensor voltage using Subaru Select Monitor or general scan tool.

NOTE:

• Subaru Select Monitor

For detailed operation procedure, refer to “READ CURRENT DATA FOR ENGINE”.

• General scan tool

For detailed operation procedure, refer to the general scan tool operation manual.

QUESTION
Is the voltage 0.2 — 4.7 V?
Yes	No
Even if the malfunction indicator light illuminates, the circuit has returned to a normal condition at this time.