FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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-III
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 SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM ECM SELF-DIAGNOSIS
With CONSULT-III
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-III
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. .
NO - Repair or replace error-detected parts.