4AT RE4F03C

P0712 TRANSMISSION FLUID TEMPERATURE SENSOR A

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn the ignition switch OFF and wait for at least 10 seconds, then perform the next test.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON, and wait for 10 seconds or more.
2.Check the first trip DTC.
Is "P0712" detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK CIRCUIT BETWEEN TCM AND A/T UNIT

1.Turn ignition switch OFF.
2.Disconnect the TCM connector and A/T unit connector.
3.Check the continuity between TCM harness connector and ground.





Is the check result normal?
YES- GO TO 2.
NO- Repair or replace malfunctioning part.

2. CHECK FLUID TEMPERATURE SENSOR

Check the fluid temperature sensor. Refer to "Component Inspection (A/T Fluid Temperature Sensor)" .
Is the check result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace the malfunctioning parts.


Component Inspection (A/T Fluid Temperature Sensor)


1. CHECK A/T FLUID TEMPERATURE SENSOR

Measure the resistance between the A/T unit connector terminals.





Is the check result normal?
YES- INSPECTION END
NO- There is a malfunction of the A/T fluid temperature sensor. Replace the transaxle assembly. Refer to "Removal and Installation" Removal and Replacement.