acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Manifold Pressure/Vacuum Sensor > < Malfunction Indicator Lamp|Testing and Inspection
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Update the PCM if it does not have the latest software  See: Testing and Inspection/Programming and Relearning/PCM Update, or substitute a
known-good PCM  See: Testing and Inspection/Initial Inspection and Diagnostic Overview, then recheck. If the symptom/indication goes away with a
known-good PCM, replace the original PCM  See: Engine Control Module/Service and Repair. 

Manifold Pressure/Vacuum Sensor > < Malfunction Indicator Lamp|Testing and Inspection