Eos (1F7) L4-2.0L Turbo (BPY) (2007)
-
Start the engine and let it run at idle.
-
Using a multimeter, check the Mass Air Flow (MAF) Sensor (G70) electrical harness connector terminal 3 to engine Ground (GND).
Specified value: battery voltage.
-
Switch the ignition off.
If specified value was not obtained:
-
Check the Mass Air Flow (MAF) Sensor (G70) electrical harness connector terminal 3 to the Power Supply Relay 2 (terminal 15) (J681) terminal
2 for an open circuit.
Specified value: 1.5 ohms max.
If no malfunction is detected in the wiring and if the voltage supply was OK:
Checking Ground (GND)
-
Using a multimeter, check the Mass Air Flow (MAF) Sensor (G70) electrical harness connector terminal 2 to engine Ground (GND) for resistance.