DTC P0740-15: Torque Converter Clutch Circuit Short to Battery or Open [06/2017 - ]: Procedure
WARNING: This page is about a different variant/trim than selected.
- INSPECT TRANSMISSION WIRE (SOLENOID (SL) VALVE)
- Disconnect the C92 transmission wire connector.
*a Component without harness connected
(Transmission Wire) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 13 (SL) - Body ground 20°C (68°F) 11 to 15 Ω 13 (SL) - Other terminals Always 10 kΩ or higher - Connect the C92 transmission wire connector.
Result
Proceed to OK NG
Result:
NG
See step 4
Result:
OK
See step 2
- Disconnect the C92 transmission wire connector.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION WIRE - ECM)
- Disconnect the C96 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition C96-62 (SL) - Body ground 20°C (68°F) 11 to 15 Ω C96-62 (SL) - Other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION WIRE - ECM)
Result:
OK
See step 3
- REPLACE ECM
- Replace the ECM.
Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - 08/2022] , or refer to REMOVAL [08/2022 - ]
Result
Proceed to NEXT
Result:
NEXT
PERFORM REGISTRATION. Refer to REGISTRATION [06/2017 - ]
- Replace the ECM.
- INSPECT SOLENOID (SL) VALVE
- Remove the solenoid (SL) valve.
*1 Solenoid (SL) Valve Refer to DISASSEMBLY [06/2017 - ]
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Solenoid (SL) valve connector terminal - Solenoid (SL) valve body 20°C (68°F) 11 to 15 Ω - Connect a positive (+) lead from the battery to the terminal of the solenoid valve connector, and a negative (-) lead to the solenoid body. Check that the valve moves and makes an operating sound.
OK
Valve moves and makes an operating sound.
Result
Proceed to OK NG
Result:
OK
REPAIR OR REPLACE TRANSMISSION WIRE. Refer to COMPONENTS [06/2017 - 10/2020] , or refer to COMPONENTS [10/2020 - 08/2021] , or refer to COMPONENTS [08/2021 - ]
Result:
NG
REPLACE SOLENOID (SL) VALVE. Refer to COMPONENTS [06/2017 - ]
- Remove the solenoid (SL) valve.