DTC P0710-15: Transmission Fluid Temperature Sensor "A" Circuit Short to Battery or Open [08/2020 - ]: Procedure

1. Disconnect the C30 transmission wire connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Transmission Wire)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 (OIL) - 2 (E2)	Always	79 Ω to 156 kΩ
   1 (OIL) or 2 (E2) - Other terminals	Always	10 kΩ or higher

   HINT: 

   If the resistance is out of the specified range at any of the ATF temperatures shown in the table below, the driveability of the vehicle may decrease.

   ATF Temperature	Specified Condition
   10°C (50°F)	5 to 8 kΩ
   25°C (77°F)	2.5 to 4.5 kΩ
   110°C (230°F)	0.22 to 0.28 kΩ

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE TRANSMISSION WIRE (ATF TEMPERATURE SENSOR). Refer to  COMPONENTS [08/2020 - 08/2021]  , or refer to  COMPONENTS [08/2021 - ] 

Result: 

OK 

See step  2

1. Disconnect the C78 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C78-46 (THO1) - C78-45 (ETHO)	Always	79 Ω to 156 kΩ
   C78-46 (THO1) or C78-45 (ETHO) - Other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Replace the ECM.

   Refer to COMPONENTS [08/2020 - 08/2021] , or refer to COMPONENTS [08/2021 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM REGISTRATION. Refer to  REGISTRATION [08/2020 - ]