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Home >> Mazda >> 2005 >> 6 s, 4D Hatchback, Automatic >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Inspection of Check Codes >> Check code 12

Check code 12

CHECK CODE 12 DIAGNOSTIC PROCEDURE

Check code 12 Operation signal to speedometer
INSPECTION INDICATION SITUATION ACTION
Wait for 2 seconds after selecting check code 12. oo Speedometer needle moves full scale then returns to 60 km/h or 60 MPH  . Speedometer is okay.
Other than stated above. Replace instrument cluster.
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