Normal Operation

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

The compass sensor module receives voltage from the central junction box (CJB) through circuit 640 (RD/YE) and is grounded through circuit 676 (PK/OG). The compass sensor module communicates the vehicle direction to the instrument cluster (IC), using circuits 702 (WH/BK) and 703 (WH/OG) which is displayed in the message center.

DTC B2097 (Compass Module Failure) - a continuous DTC that sets if the instrument cluster (IC) detects that the compass module failed the self test.
DTC U2013 (Compass Module Not Responding) - a continuous DTC that sets if the instrument cluster (IC) detects that the compass module is not configured correctly.

This pinpoint test is intended to diagnose the following:

Fuse
Wiring, terminals or connectors
Compass sensor module
Instrument cluster (IC)