mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

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Powertrain Control Module|Page 1879 > < Powertrain Control Module|Page 1877

B2300 SE Regular Cab 2WD L4-2.3L VIN A (1997)

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Engine Control Module: Description and Operation
Ignition Diagnostic Monitor Signal

IGNITION DIAGNOSTIC MONITOR (IDM) SIGNAL

IDM signal communicates information by pulse width modulation. IDM circuit is enclosed in PCM.

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