Shift Paddle Switch Circuit [04/2018 - 08/2020]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain/Hybrid Control/Data List/Sports Shift UP Signal, Sports Shift DOWN Signal.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Sports Shift UP Signal
   Sports Shift DOWN Signal

4. Read the values displayed on the Techstream.

   Powertrain > Hybrid Control > Data List 

   Tester Display	Measurement Item	Range	Normal Condition
   Sports Shift UP Signal	Sport shift up switch status	ON or OFF	Shift paddle switch RH (+) operated: ON Shift paddle switch RH (+) not operated: OFF
   Sports Shift DOWN Signal	Sport shift down switch status	ON or OFF	Shift paddle switch LH (-) operated: ON Shift paddle switch LH (-) not operated: OFF

   Result

   Result	Proceed to
   The Techstream display changes according to the shift paddle switch (transmission shift switch assembly) operation	A
   The Techstream display does not change according to the shift paddle switch (transmission shift switch assembly) operation	B

5. Turn the power switch off.

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [04/2018 - 08/2020] 

Result: 

B 

See step  2

1. Disconnect the G47 hybrid vehicle control ECU connector.
2. Disconnect the G22 transmission control switch (shift lock control unit assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G47-9 (SFTU) - Body ground	Shift paddle switch RH (+) operated	3 Ω or less
   G47-8 (SFTD) - Body ground	Shift paddle switch LH (-) operated	3 Ω or less
   G47-9 (SFTU) - Body ground	Shift paddle switch RH (+) not operated	10 kΩ or higher
   G47-8 (SFTD) - Body ground	Shift paddle switch LH (-) not operated	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

4. Reconnect the G22 transmission control switch (shift lock control unit assembly) connector.
5. Reconnect the G47 hybrid vehicle control ECU connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [04/2018 - 08/2021] 

Result: 

NG 

See step  3

1. Disconnect the G17 spiral cable sub-assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Spiral Cable Sub-assembly)

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

   Standard Resistance (Open)

   Tester Connection	Condition	Specified Condition
   G17-2 (ECC) - Body ground	Always	Below 1 Ω

3. Reconnect the G17 spiral cable sub-assembly connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Disconnect the G47 hybrid vehicle control ECU connector.
2. Disconnect the G17 spiral cable sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G47-9 (SFTU) - G17-8 (SUP)	Always	Below 1 Ω
   G47-8 (SFTD) - G17-1 (SDN)	Always	Below 1 Ω
   G47-9 (SFTU) or G17-8 (SUP) - Body ground	Always	10 kΩ or higher
   G47-8 (SFTD) or G17-1 (SDN)- Body ground	Always	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)
   *b	Front view of wire harness connector (to Spiral Cable Sub-assembly)

4. Reconnect the G17 spiral cable sub-assembly connector.
5. Reconnect the G47 hybrid vehicle control ECU connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Inspect the spiral cable sub-assembly.

   Refer to INSPECTION [04/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020] 

Result: 

OK 

See step  6

1. Inspect the shift paddle switch LH (NO. 1 transmission shift switch assembly).

   Refer to INSPECTION [04/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SHIFT PADDLE SWITCH LH (NO. 1 TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  REMOVAL [04/2018 - 08/2021] 

Result: 

OK 

See step  7

1. Inspect the shift paddle switch RH (NO. 2 transmission shift switch assembly).

   Refer to INSPECTION [04/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SHIFT PADDLE SWITCH RH (NO. 2 TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  REMOVAL [04/2018 - 08/2021] 

Result: 

OK 

See step  8

1. Disconnect the z2 No. 1 switch wire connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   z2-2 (SUP) - z2-3 (ECC)	"+" (Up shift) shift paddle switch operated and held	Below 1 Ω
   	"+" (Up shift) shift paddle switch not operated	10 kΩ or higher
   z2-4 (SDN) - z2-3 (ECC)	"-" (Down shift) shift paddle switch operated and held	Below 1 Ω
   	"-" (Down shift) shift paddle switch not operated	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Spiral Cable Sub-assembly)

3. Reconnect the z2 No. 1 switch wire connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [04/2018 - 08/2020] 

Result: 

NG 

REPLACE NO. 1 SWITCH WIRE. Refer to  PROCEDURE - Step 4