DTC P0740-11: Torque Converter Clutch Circuit Short to Ground [11/2017 - ]: Procedure

1. Disconnect the B65 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
   13 (SL) - Body ground	20°C (68°F)	11 to 15 Ω

3. Connect the B65 transmission wire connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  4

Result: 

OK 

See step  2

1. Disconnect the B67 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   B67-62 (SL) - Body ground	20°C (68°F)	11 to 15 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

Refer to COMPONENTS [08/2016 - ]

Result

Result: 

NEXT 

PERFORM A/T CODE REGISTRATION. Refer to  REGISTRATION [08/2016 - ] 

1. Remove the shift solenoid valve SL.

   Refer to DISASSEMBLY [08/2016 - ]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Shift Solenoid Valve SL

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Shift solenoid valve SL connector terminal - Shift solenoid valve SL body	20°C (68°F)	11 to 15 Ω

3. Apply 12 V battery voltage to the shift solenoid valve and check that the valve moves and makes an operating sound.

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Shift solenoid valve SL connector Battery negative (-) → Shift solenoid valve SL body	Valve moves and makes an operating sound

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE TRANSMISSION WIRE. Refer to  COMPONENTS [08/2016 - ] 

Result: 

NG 

REPLACE SHIFT SOLENOID VALVE SL. Refer to  COMPONENTS [08/2016 - ]