P1723

P1723 SPEED SENSOR





Description
The secondary speed sensor detects the revolution of parking gear and generates a pulse signal. The pulse signal is sent to the TCM, which converts it into vehicle speed.
The primary speed sensor detects the primary pulley revolution speed and sends a signal to the TCM.




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-III
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 "P1723" detected?
YES - Go to P1723.
NO - Check intermittent incident. Intermittent Incident.




Diagnosis Procedure
1.CHECK STEP MOTOR FUNCTION
Perform "Self Diagnostic Results" in "TRANSMISSION".
Is "P1778" detected?
YES - Repair or replace damaged parts. P1778.
NO - GO TO 2.
2.CHECK SECONDARY SPEED SENSOR SYSTEM
Check secondary speed sensor system. P0720.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace damaged parts.
3.CHECK PRIMARY SPEED SENSOR SYSTEM
Check primary speed sensor system. P0715.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace damaged parts.
4.CHECK ENGINE SPEED SIGNAL SYSTEM
Check engine speed signal system. P0725.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace damaged parts.
5.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.