Last Modified: 11-29-2007 1.6 G
Service Category: Engine/Hybrid System Section: Engine Control
Model Year: 2008 Model: Sequoia Doc ID: RM0000031C1003X
Title: 2UZ-FE ENGINE CONTROL: MASS AIR FLOW METER: ON-VEHICLE INSPECTION (2008 Sequoia)

ON-VEHICLE INSPECTION

1. CHECK 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) Push the Techstream main switch ON.

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


(5) Blow air into the mass air flow meter, and check that the mass air flow meter value fluctuates.

If the result is not as specified, check the mass air flow meter 2UZ-FE ENGINE CONTROL: MASS AIR FLOW METER: INSPECTION (2008 Sequoia) , or wiring and ECM 2UZ-FE ENGINE CONTROL: SFI SYSTEM: DESCRIPTION (2008 Sequoia) .