Test C: The Compass Is Inoperative
PINPOINT TEST C: THE COMPASS IS INOPERATIVENormal Operation
The compass sensor module is integral to rear view mirror assembly on rear video equipped vehicles and located externally on non-rear video equipped vehicles. The compass sensor module receives voltage from the smart junction box (SJB) through circuit CBP31 (BU/OG) and is grounded through circuit GD133 (BK). The compass sensor module communicates the vehicle direction to the instrument cluster (IC) through the compass communication data plus circuit VMC31 (YE/GN) and compass communication data minus circuit VMC30 (BU/GY).
DTC B2097 (Compass Module Failure) - sets in continuous memory if the instrument cluster (IC) detects invalid data sent from the compass module.
DTC U2013 (Compass Module Is Not Responding) - is a continuous memory and on-demand DTC that sets if the instrument cluster (IC) is missing the compass data from the compass module. If the instrument cluster (IC) fails to receive the compass data, the instrument cluster (IC) sets DTC U2013 and defaults the compass display to (----).
This pinpoint test is intended to diagnose the following:
- Fuse
- Wiring, terminals or connectors
- Compass sensor module