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Test C: The Compass Is Inoperative

PINPOINT TEST C: THE COMPASS IS INOPERATIVE


C1-C2:






C2-C4:






C4 Continued:






Normal Operation
The compass module receives voltage from the smart junction box (SJB) through circuit CBP19 BN/WH) and is grounded through circuit GD139 BK/YE). The compass module communicates the vehicle direction to the instrument cluster through circuits VMC30 (BU/GY) and VMC31 (YE/GN) and the direction is displayed in the instrument cluster.

Possible Causes
- fuse
- circuit CBP19 (BN/WH) open
- circuit GD139 (BK/YE) open
- circuit VMC30 (BU/GY) open or short to ground
- circuit VMC31 (YE/GN) open or short to ground
- compass module