Pattern Select Switch Sport Mode Circuit [01/2019 - 11/2022]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Data List.
5. According to the display on the Techstream, read the Data List.

   Powertrain > Engine and ECT > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Pattern Switch (PWR/M)	SPORT mode switch status	OFF or ON	OFF: SPORT mode off ON: SPORT mode on	-

   Result

   Result	Proceed to
   Data List value is normal	A
   Data List value is not normal	B

Result: 

B 

See step  3

Result: 

A 

See step  2

1. Replace the ECM.

   Refer to COMPONENTS [01/2019 - 11/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM INITIALIZATION. Refer to  INITIALIZATION [01/2019 - 11/2022] 

1. Remove the combination switch assembly.

   Refer to REMOVAL [01/2019 - 11/2022]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Combination Switch Assembly (SPORT Switch))

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   6 (MSW1) - 5 (E)	SPORT switch (combination switch assembly) being pushed	Below 50 Ω
   6 (MSW1) - 5 (E)	SPORT switch (combination switch assembly) not being pushed	10 kΩ or higher

3. Install the combination switch assembly.

   Refer to INSTALLATION [01/2019 - 11/2022]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE COMBINATION SWITCH ASSEMBLY. Refer to  COMPONENTS [01/2019 - 11/2022] 

Result: 

OK 

See step  4

1. Disconnect the I61 combination switch assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I61-5 (E) - Body ground	Always	Below 1 Ω

3. Connect the I61 combination switch assembly connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION SWITCH ASSEMBLY - BODY GROUND) 

Result: 

OK 

See step  5

1. Disconnect the A46 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A46-57 (PWMS) - Body ground	SPORT switch (combination switch assembly) being pushed	Below 50 Ω
   A46-57 (PWMS) - Body ground	SPORT switch (combination switch assembly) not being pushed	10 kΩ or higher

3. Connect the A46 ECM connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (PATTERN SELECT SWITCH ASSEMBLY - ECM) 

Result: 

OK 

See step  6

1. Replace the ECM.

   Refer to COMPONENTS [01/2019 - 11/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM INITIALIZATION. Refer to  INITIALIZATION [01/2019 - 11/2022]