Toyota Yaris: Mass Air Flow Meter / On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT MASS AIR FLOW METER
HINT:
Perform "Inspection After Repair" after replacing the mass air flow meter.
Click here
(a) Read the value of Data List item "Mass Air Flow Sensor" using the GTS.
NOTICE:
Perform the inspection of the mass air flow meter while it is installed to the air cleaner cap sub-assembly (installed to the vehicle).
(1) Vehicle is made into the following state.
- Turn off all electrical loads, such as the air condition, etc.
- Check that the coolant temperature is 75 °C (167 °F) or more.
- Put the Shift Lever in the N position.
(2) Connect the GTS to the DLC3.
(3) Start the engine.
(4) Turn the GTS on.
(5) Enter the following menus: Powertrain / Engine / Data List / Mass Air Flow Sensor.
Powertrain > Engine > Data List| Tester Display |
|---|
| Mass Air Flow Sensor |
(6) According to the display on the GTS, read the Data List when the engine is running.
Standard Condition:
| GTS Display | Condition | Specified Condition |
|---|---|---|
| Mass Air Flow Sensor | Idling | 1.5 to 4.5 gm/sec |
| 2000 rpm | 2.5 to 8.0 gm/sec | |
| 3000 rpm | 4.5 to 12.0 gm/sec |
If the result is not as specified, replace the mass air flow meter.
If the result is within the specified range, remove and inspect the mass air flow meter.
Click here
2. PERFORM INITIALIZATION
(a) Perform "Inspection After Repair" after replacing the mass air flow meter.
Click here
Components
C..
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the mass air flow meter removal/installation are shown below...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu
TERMINALS OF ECU CHECK AWD ECU ASSEMBLY (a) Measure the voltage and resistance of the connector. Terminal No. (Symbol) Terminal Description Condition Specified Condition O119-1 (GND) - Body ground Ground Always Below 1 Ω O119-2 (BSLC) - O119-1 (GND) AWD ECU assembly power supply Always 11 to 14 V O119-13 (T1H) - O119-1 (GND) Temperature sensor (+) input Ignition switch ON 0...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Inspection
INSPECTION PROCEDURE 1. INSPECT HEADLIGHT LEVELING SWITCH (a) Check the voltage. (1) Connect a positive (+) lead from the auxiliary battery to terminal 5 (B) and a negative (-) lead to terminal 2 (E). *a Component without harness connected (Headlight Leveling Switch) (2) Measure the voltage according to the value(s) in the table below...
Categories
- Manuals Home
- Toyota Yaris Owners Manual
- Toyota Yaris Service Manual
- Fuel Gauge
- Engine & Hybrid System
- Fuse Panel Description
- New on site
- Most important about car
Turning the Engine Off
Stop the vehicle completely. Manual transaxle: Shift into neutral and set the parking brake.Automatic transaxle: Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is off.