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Home >> Jeep >> 2010 >> Commander Limited, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Front Control Module (FCM) - Electrical Diagnostics >> DTC Troubleshooting >> B2185-Ignition Unlock Run/Start Control Circuit High >> Theory Of Operation

Theory Of Operation

The (F942) Fused Ignition Switch Output circuit supplies the FCM with battery power. The FCM processes the input and sends it out as the (F1) Fused Ignition Switch Output circuit to the Shift Lever assembly (3.7L or 6.1L) or the PCM (except 3.7L or 6.1L).

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