P1808

P1808 WHEEL SPEED SENSOR

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. DTC REPRODUCTION PROCEDURE

With CONSULT
1.Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.
2.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "P1808" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "ABS".
Is any DTCs detected?
YES- Check the 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.Start the engine and drive vehicle at 30 km/h (19 MPH) or more.
3.Check that ABS warning lamp turns OFF.
Does ABS warning lamp turn OFF?
YES- GO TO 3.
NO- ABS Warning Lamp.

3. CHECK TERMINALS AND HARNESS CONNECTORS

Check transfer control unit 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. When DTC
"P1808" is detected, Replace transfer control unit. .
NO- Repair or replace error-detected parts.