Typical Enabling Conditions


Monitor runs whenever following DTCs not present

P0010, P0020 (OCV Bank 1, 2) P0011 (VVT System 1 - Advance) P0012 (VVT System 1 - Retard) P0021 (VVT System 2 - Advance) P0022 (VVT System 2 - Retard)

P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)

P0100 - P0103 (MAF meter)

P0115 - P0118 (ECT sensor)

P0120 - P0223, P2135 (TP sensor)

P0125 (Insufficient ECT for closed loop)

P0335 (CKP sensor)

P0340, P0341 (CMP sensor)

P0500 (VSS)

P2440 (A/R control valve stuck open) P2441 (A/R control valve stuck close) P2444 (AIP stuck ON) P2445 (AIP stuck OFF)

Fuel system status


Battery voltage

11 V or more

Throttle position leaning


Either of following conditions A or B set


A. Engine RPM

Below 1,100 rpm

B. Intake air amount per revolution

0.22 g/rev. or more

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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