Test Notes

NOTE: You should enter this Pinpoint Test only when directed here.

REMEMBER: This Pinpoint Test is intended to diagnose the following:

- Mass Air Flow (MAF) Sensor.

- Harness Circuits: MAF SIG, MAF RTN (signal return to MAF sensor), Vehicle Power (VPWR), and Power Ground (PWR GND).

- Powertrain Control Module (PCM).