P1840

P1840 OUTPUT 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 "P1840" detected?
YES- Proceed to .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM TCM SELF-DIAGNOSIS

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

2. 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 "P1840"
is detected, Replace AWD control module. Removal And Installation.
NO- Repair or replace error-detected parts.