DTC P0741: Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve SL) [10/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / ECT / Trouble Codes.
5. Read the DTCs using the Techstream.

   Result

   Display (DTC Output)	Proceed to
   Only "P0741" is output	A
   "P0741" and other DTCs	B

   HINT: 

   If any other codes besides "P0741" are output, perform the troubleshooting for those DTCs first.

Result: 

B 

GO TO DTC CHART 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2015 - ] )

Result: 

A 

See step  2

1. Remove the TCM from the transaxle.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

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

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Transmission Wire)

Result: 

NG 

See step  6

Result: 

OK 

See step  3

1. Remove shift solenoid valve SL.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *1	Shift Solenoid Valve SL

2. Connect a battery positive (+) lead to the terminal of the solenoid valve connector, and a negative (-) lead to the solenoid body. Then check that the valve moves and makes an operating sound.

   OK

   Valve moves and makes an operating sound.

   Result

   Result	Proceed to
   OK	A
   NG (When not using the engine support bridge)	B
   NG (When using the engine support bridge)	C

Result: 

B 

REPLACE SHIFT SOLENOID VALVE SL 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

C 

REPLACE SHIFT SOLENOID VALVE SL 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

A 

See step  4

1. Check the transmission valve body assembly.
   • When not using the engine support bridge: Refer to REMOVAL [10/2014 - ]
   • When using the engine support bridge: Refer to REMOVAL [10/2014 - ]

   OK

   There is no foreign matter on each valve and they operate smoothly.

   Result

   Result	Proceed to
   OK	A
   NG (When not using the engine support bridge)	B
   NG (When using the engine support bridge)	C

Result: 

B 

REPLACE TRANSMISSION VALVE BODY ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

C 

REPLACE TRANSMISSION VALVE BODY ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

A 

See step  5

1. Check the torque converter assembly (Refer to INSPECTION [10/2014 - ] ).

   OK

   The torque converter operates normally.

   Result

   Result	Proceed to
   OK (When not using the engine support bridge)	A
   OK (When using the engine support bridge)	B
   NG (When not using the engine support bridge)	C
   NG (When using the engine support bridge)	D

Result: 

A 

REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

B 

REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY 

(Refer to COMPONENTS [10/2015 - ] )

Result: 

C 

REPLACE TORQUE CONVERTER ASSEMBLY 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

D 

REPLACE TORQUE CONVERTER ASSEMBLY 

(Refer to COMPONENTS [10/2015 - ] )

1. Remove shift solenoid valve SL.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *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
   Solenoid Connector (SL) - Solenoid Body (SL)	20°C (68°F)	11 to 15 Ω

   Result

   Result	Proceed to
   OK	A
   NG (When not using the engine support bridge)	B
   NG (When using the engine support bridge)	C

Result: 

A 

REPLACE TRANSMISSION WIRE 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

B 

REPLACE SHIFT SOLENOID VALVE SL 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

C 

REPLACE SHIFT SOLENOID VALVE SL 

(Refer to COMPONENTS [10/2014 - ] )