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Home >> Isuzu >> 2002 >> Trooper LS, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> 58X Reference PCM Input

58X Reference PCM Input

The Powertrain Control Module (PCM) uses 58X signal from Crankshaft Position (CKP) sensor to calculate engine RPM and crankshaft position at all engine speeds. PCM also uses pulses on this circuit to initiate injector pulses. If PCM does not receive pulses on this circuit, DTC P0337 will set. Engine will not start and run without 58X reference signal.

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