Details On DTCs

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DESCRIPTION	Internal control module A/F sensor processor performance problem
DETECTION CONDITION	Determination conditions	Malfunction in A/F sensor signal circuit in PCM occurs.
	Preconditions	Battery voltage: 11-18 V ^1 ^1 : Value can be verified by displaying PIDs using M-MDS
	Malfunction determination period	0.1 s period
	Drive cycle	1
	Self test type	CMDTC self test, KOER self test
	Sensor used	PCM
FAIL-SAFE FUNCTION	Not applicable
VEHICLE STATUS WHEN DTCs ARE OUTPUT	Illuminates check engine light.
POSSIBLE CAUSE	PCM malfunction