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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster (Ic), Message Center, And Warning Chimes >> Diagnostic Tests >> Instrument Cluster (IC), Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AB: DTC B2844 - Ignition Fault >> Normal Operation

Normal Operation

With the ignition switch in the START or RUN position, the instrument cluster (IC) receives voltage from the smart junction box (SJB) through circuit CBP20 (YE/VT). When the ignition switch is turned to the OFF or ACC position, the voltage drops to 0 volts on circuit CBP20 (YE/VT). The instrument cluster (IC) sets DTC B2844 in continuous memory if the instrument cluster (IC) detects voltage on circuit CBP20 (YE/VT) with the ignition switch in the ACC position or if no voltage is supplied by the key-in-ignition switch on circuit CDC30 (BU/GY) with the ignition in the START, RUN or ACC positions.

This pinpoint test is intended to diagnose the following:

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