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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1375 (Information Center - Instrument Cluster (Ic), Message Center, & 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

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

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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