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2004
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Excursion 6.0 P, RWD
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - Pinpoint Tests - 6.0L Diesel (99P E-Series & 99P F450/550)
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Pinpoint Test J: Mass Air Flow (MAF) Sensor
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Introduction
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Signal Function
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Note
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Signal Function: Note
This pinpoint test is intended to diagnose the following:
MAF sensor
harness circuits: MAF SIG, MAF RTN, vehicle power (VPWR), and power ground (PWR GND)
PCM
Fig 1: Identifying PCM Body Harness Connector Terminals
Courtesy of FORD MOTOR CO.
Fig 2: Identifying MAF/IAT Sensor Connector Terminals
Courtesy of FORD MOTOR CO.