Details On DTCs

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

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⁾

Malfunction determination period

0.1 s period

Drive cycle

Self test type

CMDTC self test, KOER self test

Sensor used

FAIL-SAFE FUNCTION

Not applicable

VEHICLE STATUS WHEN DTCs ARE OUTPUT

Illuminates check engine light.

POSSIBLE CAUSE

PCM malfunction

⁽¹⁾	Value can be verified by displaying PIDs using M-MDS