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Home >> BMW >> 2003 >> M3 2D Convertible >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Electrical Control Systems - Overview >> E46 Driver Information >> Instrument Cluster >> Output Signals

Output Signals

SPEED SIGNAL "A"  - The vehicle speed signal is available as an output for control modules that require precise vehicle speed information.

"K" BUS INTERFACE  - The K Bus is used to transfer data between the cluster and other modules on the link. The diagnostic interface also passes over the K Bus for troubleshooting with the DIS Tester.

LOW FUEL  - Based on the processing for the low fuel indicator lamp, this output is also sent to the DME control module. The signal is stored along with a mis-fire detection fault for troubleshooting purposes.

GONG OUTPUT  - T3, The T3 tone is used for check control warnings.

Fig 1: Identifying Output Signals Chart (Gong Output)
G03395627Courtesy of BMW OF NORTH AMERICA, INC.