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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Information Center - Instrument Cluster (Ic), Message Center, & Warning Chimes) >> Diagnostic Tests >> Instrument Cluster (Ic), Message Center And Warning Chimes >> Pinpoint Tests >> Pinpoint Test A: The Instrument Cluster (IC) Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition switch in the RUN position, the instrument cluster (IC) receives voltage from the central junction box (CJB) through circuit 1003 (GY/YE). With the ignition switch in the START or RUN position, the instrument cluster (IC) receives voltage from the CJB through circuit 640 (RD/YE). With the ignition switch in the OFF position, the instrument cluster (IC) receives its keep-alive battery voltage from the CJB through circuit 54 (LG/YE). The instrument cluster (IC) grounding is through circuits 57 (BK) and 676 (PK/OG).

This pinpoint test is intended to diagnose the following:

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