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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Instrument Cluster System) >> Diagnosis And Testing >> Instrument Cluster >> Pinpoint Test A: No Communication With The Instrument Cluster >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster communicates interactively with other electronic modules using the communication network. With the ignition switch in the START/RUN position, the instrument cluster receives power from the smart junction box (SJB) fuse 20 (7.5A), circuit 1566 (RD/YE). When the ignition switch is in the RUN/ACC position, power is received from the SJB fuse 23 (7.5A), circuit 295 (LB/PK). With the ignition switch in the OFF position, the instrument cluster receives its keep-alive power from the SJB fuse 7 (7.5A), circuit 483 (RD). The instrument cluster grounding is accomplished through circuit 1203 (BK/LB) and circuit 1205 (BK).

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