Typical Enabling Conditions

Monitor runs whenever following DTCs not present

P0031, P0032, P0051, P0052 (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 - P0308 (Misfire)

P0335 (CKP sensor)

P0340, P0341 (CMP sensor)

P0442 - P0456 (EVAP system)

P0500 (VSS)

P2196, P2198 (A/F sensor - rationality) P2440 (A/R control valve stuck open) P2441 (A/R control valve stuck close) P2444 (AIP stuck ON) P2445 (AIP stuck OFF)

A/F sensor active control

Executing

Engine coolant temperature

70°C (158°F) or more

Battery voltage

11 V or more

Malfunction determination in this driving cycle

Not yet

Engine RPM

Less than 4,000 rpm

Fuel system status

Closed-loop

A/F sensor status

Activated

Fuel-cut

OFF (for 5 seconds or more)

Engine load

10 to 70 %

Shift position

2nd or more

Intake air amount

3 to 14 g/sec

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Do It Yourself Car Diagnosis

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