Typical Enabling Conditions

Monitor runs whenever following DTCs are not present

P0031, P0032 (A/F Sensor heater - Sensor 1)

P0100 - P0103 (MAF meter)

P0110 - P0113 (IAT sensor)

P0115 - P0118 (ECT sensor)

P0120 - P0223, P2135 (TP sensor)

P0125 (Insufficient ECT for Closed Loop)

P0171, P0172 (Fuel system)

P0300 - P0304 (Misfire)

P0335 (CKP sensor)

P0340 (CMP sensor)

P00441 - P0456, P2401 - P2420 (EVAP system) P0500 (VSS)

P2196 (a/F Sensor - rationality)

Active A/F control

Performing

Active A/F control performed when the following conditions are met

-

Engine coolant temperature

75°C (167°F) or more

Battery voltage

11 V or more

Idle

OFF

Engine RPM

Less than 4,000 rpm

A/F sensor status

Activated

Fuel-cut

OFF

Engine load

10 to 70 %

Shift position

2 or more

Catalyst monitor

Not yet

Intake air amount

4 to 16 g/sec.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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