Ford Mustang 1999-2005

Manifold Absolute Pressure Sensor



The MAP sensor measures intake manifold absolute pressure. The PCM uses information from the MAP sensor to measure how much exhaust gas is introduced into the intake manifold.

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Fig. Manifold Absolute Pressure (MAP) Sensor


MAP Sensor Pin Testing

For reference values, refer to PCM testing-PCM reference voltage pin chart

This pinpoint test is intended to diagnose the following:

Manifold Absolute Pressure (MAP) sensor (9F479)
Harness circuits: MAP, SIGRTN, VREF
Powertrain Control Module (PCM) (12A650)

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Fig. MAP/BARO Sensor connector view