Toyota Yaris: Mass Air Flow Meter / Inspection
INSPECTION
PROCEDURE
1. INSPECT MASS AIR FLOW METER
| (a) Perform a visual check for any foreign matter on the temperature sensor (thermistor) of the mass air flow meter shown in the illustration. OK: There is no foreign matter. If the result is not as specified, replace the mass air flow meter. | |
| (b) Measure the resistance according to the value(s) in the table below. Standard Resistance: | Tester Connection | Condition | Specified Condition | | D23-4 (THA) - D23-2 (E2G) | -20°C (-4°F) | 13.6 to 18.4 kΩ | | D23-4 (THA) - D23-2 (E2G) | 20°C (68°F) | 2.21 to 2.69 kΩ | | D23-4 (THA) - D23-2 (E2G) | 60°C (140°F) | 0.49 to 0.67 kΩ | If the result is not as specified, replace the mass air flow meter. |
| | *a | Component without harness connected (Mass Air Flow Meter) | | |
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...
INSTALLATION PROCEDURE 1. INSTALL MASS AIR FLOW METER (a) Install the mass air flow meter to the air cleaner cap sub-assembly with the 2 screws. NOTICE:
If the mass air flow meter has been struck or dropped, replace it...
Other information:
REASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands.
HINT:
Use the same procedure for the driver side and front passenger side.
The procedure listed below is for the driver side.
Use the same procedure for sports seat type and sporty seat type...
DTC CHECK / CLEAR DTC CHECK (a) Operate the GTS to read the DTCs. Chassis > Brake > Trouble Codes (b) Check the details of the DTCs. NOTICE:
Make sure to clear the DTCs after repair.
Freeze frame data is stored for each of the latest result DTCs and confirmed DTCs...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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