Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2011 >> Tacoma PreRunner L4-2.7L (2TR-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Air Flow Meter/Sensor >> Testing and Inspection >> On-Vehicle Inspection
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

On-Vehicle Inspection





2TR-FE ENGINE CONTROL SYSTEM: MASS AIR FLOW METER: ON-VEHICLE INSPECTION

1. INSPECT MASS AIR FLOW METER

(a) Check the mass air flow value.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream on.

(4) Enter the following menus: Powertrain / Engine / Data List / All Data / MAF.

(5) Blow air into the MAF meter and check that the MAF value fluctuates.





Text in Illustration





If the result is not as specified, check the MAF meter Inspection, or wiring and ECM P0102.
pro multis · About Operation CHARM