P1722

P1722 VEHICLE SPEED

Description

The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to TCM via CAN communication line.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


CAUTION:
Always drive vehicle at a safe speed.
NOTE:
Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.

1. CHECK DTC DETECTION

With CONSULT
1.Turn ignition switch ON.
2.Select "Data Monitor" in "TRANSMISSION".
3.Start engine and maintain the following conditions for at least 5 consecutive seconds.





Is "P1722" detected?
YES- Go to .
NO- Check intermittent incident. Intermittent Incident.


Diagnosis Procedure


1. CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT
Perform "Self Diagnostic Results" in "ABS".
Is the inspection result normal?
YES- GO TO 2.
NO- Check DTC detected item. Testing and Inspection (VDC/TCS/ABS).

2. CHECK DTC WITH TCM

With CONSULT
Perform "Self Diagnostic Results" in "TRANSMISSION".
Is "P1722" detected?
YES- Replace TCM. Exploded View.
NO- GO TO 3.

3. DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- Replace TCM. Exploded View.
NO- Repair or replace damaged parts.