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TM-132 < DTC/CIRCUIT DIAGNOSIS > [CVT: RE0F10D] P0743 TORQUE CONVERTER P0743 TORQUE CONVERTER DTC Description INFOID:0000000011279351 DTC DETECTION LOGIC POSSIBLE CAUSE • Harness or connector (Torque converter clutch solenoid valve circuit is shorted to ground) • Torque converter clutch solenoid valve FAIL-SAFE • Start is slow • Acceleration is slow • Lock-up is not performed DTC CONFIRMATION PROCEDURE CAUTION: Be careful of the driving speed. 1. PREPARATION BEFORE WORK If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test. >> GO TO 2. 2. PREPARATION BEFORE OPERATION With CONSULT 1. Start the engine. 2. Select “Data Monitor” in “TRANSMISSION”. 3. Select “FLUID TEMP”. 4. Confirm that the CVT fluid temperature is in the following range. With GST 1. Start the engine. 2. Set the CVT fluid to 20 °C (68°F) or more. NOTE: When the ambient temperature is 20 °C (68°F), the CVT fluid usually increases to 50 to 80°C (122 to 176 °F) with driving in an urban area for approximately 10 minutes. Is the CVT fluid 20 °C (68°F) or more? YES >> GO TO 3. NO >> 1. Warm the transaxle. 2. GO TO 3. 3. CHECK DTC DETECTION 1. Drive the vehicle. 2. Maintain the following conditions for 10 seconds or more. 3. Stop the vehicle. 4. Check the first trip DTC. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0743 TORQUE CONVERTER When all of the following conditions are satisfied and this state is main- FLUID TEMP : 20 °C (68°F) or more Selector lever : “D” position Vehicle speed : 40 km/h (25 MPH) or more |