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Home >> Mazda >> 2005 >> 3 i, Automatic >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 12

Check code 12

CHECK CODE 12

Check code 12 Speedometer display signal
INSPECTION CONDITION DISPLAY ACTION
After selecting check code 12, wait for approx. 2 s  . oo The speedometer needle moves full scale then returns to approx. 60 km/h  . The speedometer is normal.
Except above Replace the instrument cluster.
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