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).