P1820

P1820 ENGINE SPEED SIGNAL

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. PERFORM DTC CONFIRMATION

With CONSULT
1.Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.
2.Stop the vehicle.
3.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P1820" detected?
YES- Proceed to .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM ECM SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "ENGINE".
Is any DTC detected?
YES- Perform trouble diagnosis for detected DTC. Testing and Inspection.
NO- GO TO 2.

2. ERASE SELF-DIAGNOSTIC RESULT

With CONSULT
1.Erase self-diagnostic results for "ALL MODE AWD/4WD".
2.Turn the ignition switch OFF.
3.Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.
4.Stop the vehicle.
5.Check that malfunction indicator lamp (MIL) turns OFF.
Does malfunction indicator lamp (MIL) turn OFF?
YES- GO TO 3.
NO- Malfunction Indicator Lamp (MIL).

3. CHECK TERMINALS AND HARNESS CONNECTORS

Check AWD control module pin terminals for damage or loose connection with harness connector.
Is inspection result normal?
YES- After turning the ignition switch OFF, perform DTC confirmation procedure again. If DTC "P1820"
is detected, Replace AWD control module. Removal And Installation.
NO- Repair or replace error-detected parts.