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

Cold start IAC system performance problem

DETECTION CONDITION

Determination conditions

The difference between the actual engine speed and the target engine speed is 100 rpm or more.

Preconditions

Engine speed: 500 rpm or more⁽¹⁾
Engine coolant temperature: -10-45 °C {14-113 °F}⁽¹⁾
Catalytic converter estimated temperature: 380 °C {716 °F} or less⁽¹⁾
Vehicle speed: 0 km/h {0 mph}⁽¹⁾
The following DTCs are not detected:
- ECT sensor No. 1 malfunction: P0116:00, P0117:00, P0118:00
- MAP sensor malfunction: P0069:00, P0107:00, P0108:00
- BARO sensor malfunction: P2226:00, P2228:00, P2229:00
  - Instrument cluster malfunction: P2610:00

Malfunction determination period

9 s period

Drive cycle

Self test type

CMDTC self test

Sensor used

CKP sensor
ECT sensor No. 1

FAIL-SAFE FUNCTION

Limits intake air amount
Stops high pressure fuel pump control

VEHICLE STATUS WHEN DTCs ARE OUTPUT

Illuminates check engine light.

POSSIBLE CAUSE

Air suction in intake air system
Drive-by-wire control system malfunction
Throttle valve malfunction
PCM malfunction

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