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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.	Courtesy of MAZDA MOTORS CORP.	The speedometer needle moves full scale then returns to approx. 60 km/h or approx. 60 mph.	The speedometer is normal.
	Courtesy of MAZDA MOTORS CORP.	Except above	Replace the instrument cluster.
	Courtesy of MAZDA MOTORS CORP.	-	Replace the instrument cluster.