Check Code 57

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CODE 57

Check code 57	Panel light control signal
INSPECTION CONDITION	DISPLAY	ACTION
Turn the headlight switch to the TNS position. After selecting check code 57, wait approx. 2 s.	Courtesy of MAZDA MOTORS CORP.	Illumination light (hazard warning switch, center panel module, etc.) flashes three times.	The panel light control signal is normal.
	Courtesy of MAZDA MOTORS CORP.	Except above	Verify that the voltage of instrument cluster terminal 1F is B+. If the voltage is as specified, replace the instrument cluster. If the voltage is not as specified, inspect the following parts: Illumination light (hazard warning switch, center panel module, etc.) Wiring harness (Instrument cluster-illumination lights-TNS relay)