Batt/Fluid Temp SEN (Fluid Temp Sens. Cir. and TCM Pwr. Source)

A/T Fluid Temperature Sensor Circuit and TCM Power Source
DESCRIPTION








The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.





CONSULT REFERENCE VALUE IN DATA MONITOR MODE





TCM TERMINALS AND REFERENCE VALUE





ON BOARD DIAGNOSIS LOGIC

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1. Start engine.








2. Select "DATA MONITOR" mode for "A/T" with CONSULT.
3. Drive vehicle under the following conditions: Selector lever in "D", vehicle speed higher than 20 km/h (12 MPH).
OR
1. Start engine.
2. Drive vehicle under the following conditions: Selector lever in "D", vehicle speed higher than 20 km/h (12 MPH).





3. Perform self-diagnosis. Refer to Self Diagnostic Procedure; TCM Self-Diagnostic Procedure (No Tools).








DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION
A/T fluid temperature sensor
- For removal, refer to Automatic Transmission/Transaxle; Valve Body; Service and Repair.








- Check resistance between two terminals while changing temperature as shown.