DTC P0741: Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve SL): Procedure

1. Connect Techstream to the DLC3.
2. Turn the ignition switch on (IG) and turn the Techstream on.
3. Enter the following items: "Powertrain / ECT / Trouble Codes".
4. Read the DTCs using 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.

B → GO TO DTC CHART 

A: Go to next step 

1. Remove the TCM from the transaxle.
   Fig 1: TCM Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

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

OK → See step   4 

NG: Go to next step 

1. Remove the shift solenoid valve SL.
   Fig 2: Checking Shift Solenoid Valve SL (Resistance)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance

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

NG → REPLACE SHIFT SOLENOID VALVE SL 

OK → REPLACE TRANSMISSION WIRE 

1. Remove the shift solenoid valve SL.
   Fig 3: Checking Shift Solenoid Valve SL (Operation)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect a positive (+) lead to the terminal of the solenoid connector, and a negative (-) lead to the solenoid body.

   OK

   The solenoid valve makes an operating noise.

NG → REPLACE SHIFT SOLENOID VALVE SL 

OK: Go to next step 

OK

There are no foreign objects on each valve and they operate smoothly.

NG → REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY 

OK: Go to next step 

OK

The torque converter clutch operates normally.

NG → REPLACE TORQUE CONVERTER CLUTCH ASSEMBLY 

OK → REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY