Home Engine/Hybrid System Engine Control 3UR-FE ENGINE CONTROL: MASS AIR FLOW METER
Last Modified: 11-27-2007 1.6 G
Service Category: Engine/Hybrid System Section: Engine Control
Model Year: 2008 Model: LX570 Doc ID: RM0000031VN005X
Title: 3UR-FE ENGINE CONTROL: MASS AIR FLOW METER: ON-VEHICLE INSPECTION (2008 LX570)

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 engine switch on (IG).

(3) Turn the Techstream main switch 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.

If the result is not as specified, check the MAF meter 3UR-FE ENGINE CONTROL: MASS AIR FLOW METER: INSPECTION (2008 LX570) , or wiring and ECM 3UR-FE ENGINE CONTROL: SFI SYSTEM: DESCRIPTION (2008 LX570) .