Typical Enabling Conditions

All:

Monitor runs whenever following DTCs not present

• P2430 - P2433: AIR pressure sensor

Battery voltage

11 V or more

Atmospheric pressure

45 kPa (337.5 mmHg) or more

While secondary air injection ON:

Time after secondary injection operation begins

6 seconds or more

Secondary air injection pump

ON

Secondary air injection switching valve

ON

Engine speed

Less than 3,750 rpm

Delay time after engine started

6 seconds or more

Pressure sensor malfunction

Not detected

While secondary air injection OFF:

Secondary air injection pump

OFF

Engine speed

Less than 3,750 rpm

Secondary air injection system monitor during secondary air injection ON

Completed

Pressure sensor malfunction

Not detected

TYPICAL MALFUNCTION THRESHOLDS

Condition 1:

AIR pressure during AIR ON

2.5 kPa or more and pulse is generated

Condition 2:

AIR pressure during AIR ON

Less than 2.5 kPa and pulse is generated

Condition 3:

AIR pressure during AIR ON

2.5 kPa or more and pulse is not generated

Condition 4:

AIR pressure during AIR ON

Less than 2.5 kPa and pulse is not generated

Condition 5:

AIR pressure during AIR OFF

2.5 kPa or more and pulse is generated

Condition 6:

AIR pressure during AIR OFF

Less than 2.5 kPa and pulse is generated

Condition 7:

AIR pressure during AIR OFF

2.5 kPa or more and pulse is not generated

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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