Transmission Control System

DTC P1709 (No. 51): Engine Coolant Temperature and Barometric Pressure Signal Circuit Malfunction

Wiring Diagram








DTC Detecting Condition and Trouble Area

DTC Detecting Condition and Trouble Area:

DTC Confirmation Procedure
1. Connect scan tool to DLC with ignition switch OFF.
2. Clear DTCs in TCM and ECM memories by using scan tool.
3. Start engine and run it for 25 minutes or more.
4. Check DTC, pending DTC and freeze frame data.

DTC Troubleshooting

Steps 1-4:

Step 5: