DTC P2756-14: Torque Converter Clutch Pressure Control Solenoid Control Circuit Short to Ground or Open [10/2018 - 07/2022]: Procedure

1. Disconnect the C25 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
   4 (SLU+) - 9 (SLU-)	20°C (68°F)	5.0 to 5.6 Ω
   4 (SLU+) - Body ground and other terminals	Always	10 kΩ or higher
   9 (SLU-) - Body ground and other terminals	Always	10 kΩ or higher

3. Connect the C25 transmission wire connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  4

Result: 

OK 

See step  2

1. Disconnect the C36 TCM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C36-6 (SLU+) - C36-5 (SLU-)	20°C (68°F)	5.0 to 5.6 Ω
   C36-6 (SLU+) - Body ground and other terminals	Always	10 kΩ or higher
   C36-5 (SLU-) - Body ground and other terminals	Always	10 kΩ or higher

3. Connect the C36 TCM connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION WIRE - TCM) 

Result: 

OK 

See step  3

1. Replace the TCM.

   Refer to COMPONENTS [10/2018 - 07/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM REGISTRATION AND INITIALIZATION 

for Registration: Refer to REGISTRATION [10/2018 - 07/2022]

for Initialization: Refer to INITIALIZATION [10/2018 - 07/2022]

1. Disconnect the C25 transmission wire connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Transmission Valve Body Assembly	*2	Shift Solenoid Valve SLU
   *3	Transmission Wire	-	-
   *a	Shift Solenoid Valve Side	*b	Wire Harness Connector Side

2. Disconnect the transmission wire connector from the shift solenoid valve SLU.

   Refer to REMOVAL [10/2018 - 07/2022]

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 (shift solenoid valve side) - 4 (SLU+) (wire harness connector side)	Always	Below 1 Ω
   2 (shift solenoid valve side) - 9 (SLU-) (wire harness connector side)	Always	Below 1 Ω
   1 (shift solenoid valve side) or 4 (SLU+) (wire harness connector side) - All other terminals	Always	10 kΩ or higher
   2 (shift solenoid valve side) or 9 (SLU-) (wire harness connector side) - All other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE TRANSMISSION WIRE. Refer to  COMPONENTS [10/2018 - 07/2022] 

Result: 

OK 

See step  5

1. Replace the transmission valve body assembly.

   Refer to COMPONENTS [10/2018 - 07/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM REGISTRATION AND INITIALIZATION 

for Registration: Refer to REGISTRATION [10/2018 - 07/2022]

for Initialization: Refer to INITIALIZATION [10/2018 - 07/2022]