Tests DC: Mass Air Flow (MAF) Sensor
PINPOINT TEST DC: MASS AIR FLOW (MAF) SENSOR
This pinpoint test is intended to diagnose the following:
^ mass air flow sensor (12B579)
^ harness circuits: MAF SIG MAF RTN vehicle power (VPWR) power ground (PWRGND) IAT and SIGRTN
^ powertrain control module (PCM) (12A650)
Reference:
PCM Connector