Bosch hot-wire MAF (Mass Airflow Sensor) uses a 5-pin connector carrying power, ground, signal output, temperature output, and an intake air temperature signal for precise fuel metering.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | 12V supply | PWR |
| 2 | GND | Ground | GND |
| 3 | MAF Signal | Mass airflow voltage output 0-5V | ADC |
| 4 | IAT | Intake air temperature signal | ADC |
| 5 | Shield | Shield ground | GND |
Bosch hot-wire MAF (Mass Airflow Sensor) uses a 5-pin connector carrying power, ground, signal output, temperature output, and an intake air temperature signal for precise fuel metering.