Keyoff Monitor Confirmation

(a) Preconditions

The monitor will not run unless:

• The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)

• The Engine Coolant Temperature (ECT) is between 4.4°C and 35°C (40°F and 95°F)

• The Intake Air Temperature (IAT) is between 4.4°C and 35°C (40°F and 95°F)

• The vehicle remains stationary (the vehicle speed is 0 mph (0 km/h))

(b) Monitor Conditions

1. Allow the engine to idle for at least 5 minutes.

2. Turn the ignition switch off and wait for 6 hours (8 or 10.5 hours). HINT:

Do not start the engine until checking MONITOR STATUS. If the engine is started, the steps described above must be repeated.

(c) Monitor Status

1. Connect the intelligent tester to the DLC3.

2. Turn the ignition switch to the ON position and turn the tester on.

3. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / MONITOR STATUS.

4. Check the Monitor Status displayed on the tester. HINT:

If INCMP is displayed, the monitor is not complete. Make sure that the preconditions have been met, and perform the Monitor Conditions again.

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.

Get My Free Ebook


Post a comment