DTC P2759: Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) [12/2013 - 11/2016]: Procedure
WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT TRANSMISSION WIRE (SLU)
- Remove the TCM from the transaxle.
*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 11 (SLU+) - 5 (SLU-) 20°C (68°F) 5.0 to 5.6 Ω 11 (SLU+) - Body ground and other terminals Always 10 kΩ or higher 5 (SLU-) - Body ground and other terminals Always 10 kΩ or higher Result
Proceed to OK NG
Result: 1
OK
REPLACE TCM. Refer to COMPONENTS [12/2013 - 11/2016]
Result: 2
NG
See step 2
- Remove the TCM from the transaxle.
- INSPECT SHIFT SOLENOID VALVE SLU
- Remove shift solenoid valve SLU.
*1 Shift Solenoid Valve SLU - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 5.0 to 5.6 Ω - Connect a battery positive (+) lead with a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 of the solenoid valve connector. Then check that the valve moves and makes an operating sound.
OK
Valve moves and makes an operating sound.
Result
Proceed to OK NG
Result: 1
OK
REPLACE TRANSMISSION WIRE. Refer to COMPONENTS [12/2013 - 11/2016]
Result: 2
NG
REPLACE SHIFT SOLENOID VALVE SLU. Refer to COMPONENTS [12/2013 - 11/2016]
- Remove shift solenoid valve SLU.