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Home >> Mazda >> 2007 >> 6 Mazdaspeed >> Repair and Diagnosis >> External Pages >> Different car >> Section 709 (Instrumentation/Driver Info) >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 12

Check code 12

WARNING: This page is about a different car, the 2008 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 12 CHART

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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