Shift Paddle Switch Circuit [04/2013 - 08/2015]: Procedure

1. Disconnect the A77 ECM connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to ECM)

2. Measure the resistance between each terminal when the shift paddle is moved to each position.

   Standard Resistance

   Tester Connection	Shift Paddle Position	Specified Condition
   A77-8 (SFTU) - Body ground	Pull continuously"+"(Up shift)	Below 2.5 Ω
   	Release"+"(Up shift)	1 MΩ or higher
   A77-7 (SFTD) - Body ground	Pull continuously"-"(Down shift)	Below 2.5 Ω
   	Release"-"(Down shift)	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

Result: 

NG 

See step  2

1. Disconnect the K26 spiral cable 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

   Tester Connection	Condition	Specified Condition
   K26-2 (ECC) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Inspect the spiral cable with sensor sub-assembly.

   Refer to INSPECTION [04/2013 - 10/2016]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY. Refer to  COMPONENTS [04/2013 - 10/2016] 

Result: 

OK 

See step  4

1. Remove the transmission shift switch.

   Refer to REMOVAL [04/2013 - 08/2015]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Shift Paddle Switch LH (Transmission Shift Switch))

2. Measure the resistance between each terminal when the shift paddle is moved to each position.

   Standard Resistance

   Tester Connection	Shift Paddle Position	Specified Condition
   C-1 (SDN) - C-2 (ECC)	Pull continuously"-"(Down shift)	Below 2.5 Ω
   	Release"-"(Down shift)	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SHIFT PADDLE SWITCH LH (TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  COMPONENTS [04/2013 - 08/2015] 

Result: 

OK 

See step  5

1. Remove the transmission shift switch.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Shift Paddle Switch RH (Transmission Shift Switch))

   Refer to REMOVAL [04/2013 - 08/2015]

2. Measure the resistance between each terminal when the shift paddle is moved to each position.

   Standard Resistance

   Tester Connection	Shift Paddle Position	Specified Condition
   B-3 (SUP) - B-2 (ECC)	Pull continuously"+"(Up shift)	Below 2.5 Ω
   	Release"+"(Up shift)	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SHIFT PADDLE SWITCH RH (TRANSMISSION SHIFT SWITCH ASSEMBLY). Refer to  COMPONENTS [04/2013 - 08/2015] 

Result: 

OK 

See step  6

1. Install the transmission shift switch.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (No. 1 switch wire)

2. Disconnect the No. 1 switch wire connector from the steering pad switch.
3. Measure the resistance between each terminal when the shift paddle is moved to each position.

   Standard Resistance

   Tester Connection	Shift Paddle Position	Specified Condition
   z6-1 (SUP) - z6-3 (ECC)	Pull continuously"+"(Up shift)	Below 2.5 Ω
   	Release"+"(Up shift)	1 MΩ or higher
   z6-2 (SDN) - z6-3 (ECC)	Pull continuously"-"(Down shift)	Below 2.5 Ω
   	Release"-"(Down shift)	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SWITCH NO. 1 WIRE 

Result: 

OK 

See step  7

1. Connect the No. 1 switch wire connector to the steering pad switch.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Steering Pad Switch Assembly)

2. Disconnect the steering pad switch connector.
3. Measure the resistance between each terminal when the shift paddle is moved to each position.

   Standard Resistance

   Tester Connection	Shift Paddle Position	Specified Condition
   z4-6 (SUP) - z4-7 (ECC)	Pull continuously"+"(Up shift)	Below 2.5 Ω
   	Release"+"(Up shift)	1 MΩ or higher
   z4-12 (SDN) - z4-7 (ECC)	Pull continuously"-"(Down shift)	Below 2.5 Ω
   	Release"-"(Down shift)	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  COMPONENTS [04/2013 - 10/2016] 

Result: 

OK 

See step  8

1. Disconnect the K26 spiral cable connector.
2. Disconnect the A77 ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A77-8 (SFTU) - K26-14 (SUP)	Always	Below 1 Ω
   A77-7 (SFTD) - K26-7 (SDN)	Always	Below 1 Ω
   A77-8 (SFTU) or K26-14 (SUP) - Body ground	Always	10 kΩ or higher
   A77-7 (SFTD) or K26-7 (SDN) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2013 - 08/2015] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR