DTC P2756-13: Torque Converter Clutch Pressure Control Solenoid Control Circuit Open [10/2017 - ]: Procedure

1. Disconnect the F56 transmission wire connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Transmission Wire)

2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   12 (SLU+) - 4 (SLU-)	20°C (68°F)	5.0 to 5.6 Ω
   12 (SLU+) - Body ground	Always	10 kΩ or higher
   4 (SLU-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  3

Result: 

OK 

See step  2

1. Disconnect the F102 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F102-76 (SLU+) - F102-61 (SLU-)	20°C (68°F)	5.0 to 5.6 Ω
   F102-76 (SLU+) - Body ground	Always	10 kΩ or higher
   F102-61 (SLU-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  COMPONENTS [10/2017 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Remove the shift solenoid valve SLU.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Shift Solenoid Valve SLU

   Refer to DISASSEMBLY [04/2013 - ]

2. 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

3. Connect a positive (+) lead from the battery with a 21 W bulb to terminal 2 and a negative (-) lead to terminal 1 of the shift solenoid valve connector, then check the movement of the valve.

   OK

   The solenoid makes an operating sound.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPAIR OR REPLACE TRANSMISSION WIRE. Refer to  COMPONENTS [04/2013 - ] 

Result: 

NG 

REPLACE SHIFT SOLENOID VALVE SLU. Refer to  COMPONENTS [04/2013 - ]