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 AND POSSIBLE CAUSE

DESCRIPTION

BARO sensor range/performance problem

DETECTION CONDITION

Determination conditions

Communication error between BARO sensor and PCM
Non-volatile memory error in BARO sensor

Preconditions

Battery voltage: 10.5-16 V⁽¹⁾

Malfunction determination period

5 s period

Drive cycle

Self test type

CMDTC self test, KOEO self test, KOER self test

Sensor used

BARO sensor (built-into PCM)

FAIL-SAFE FUNCTION

Fixes the barometric pressure for the engine control at 101.32 kPa {1.0332 kgf/cm² , 14.695 psi}.

VEHICLE STATUS WHEN DTCs ARE OUTPUT

Illuminates check engine light.

POSSIBLE CAUSE

BARO sensor (built-into PCM) malfunction
PCM malfunction

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