DC: Mass Air Flow (MAF) Sensor Introduction

DC: Pinpoint Tests See: Diagnostic Trouble Code Tests and Associated Procedures\SECTION 5: Pinpoint Tests\DC: Mass Air Flow (MAF) Sensor - Pinpoint Test

Note

This Pinpoint Test is intended to diagnose the following:

• Mass Air Flow (MAF) Sensor (12B579)
• Harness Circuits: MAF SIG, MAF RTN, Vehicle Power (VPWR), Power Ground (PWR GND), IAT and SIG RTN
• Powertrain Control Module (PCM) (12A650)

Pinpoint Test Schematics and Connectors

Focus, 2.0L Cougar