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Home >> Isuzu >> 2002 >> Trooper LS 2WD V6-3.5L >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Description and Operation >> Circut Operation
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Circut Operation

Circuit Operation
The powertrain control module (PCM) receives inputs from switches and sensors, and controls the functions of transmission mode. The powertrain control module (PCM) also controls the "POWER DRIVE", "WINTER DRIVE", AND "CHECK TRANS" indicator lights and allows for diagnostic testing through the tech-1 connector.