Mass Air Flow Meter Inspection
INSPECT MASS AIR FLOW METER
Mass Air Flow Meter -- Inspection |
| 1. INSPECT MASS AIR FLOW METER |
Perform a visual check for any foreign matter on the platinum hot wire (heater) of the mass air flow meter shown in the illustration.
- OK:
- There is no foreign material.
Text in Illustration*1
| Platinum Hot Wire
(Heater)
|
If the result is not as specified, replace the mass air flow meter.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
4 (THA) - 5 (E2)
| -20°C (-4°F)
| 13.6 to 18.4 kΩ
|
20°C (68°F)
| 2.21 to 2.69 kΩ
|
60°C (140°F)
| 0.493 to 0.667 kΩ
|
Text in Illustration*a
| Component without harness connected
(Mass Air Flow Meter)
|
If the result is not as specified, replace the mass air flow meter.
