P0710

DTC P0710-855 Transmission Fluid Temperature Sensor "A"Circuit
DTC P0712-856 Transmission Fluid Temperature Sensor "A"Circuit Low Input
DTC P0713-857 Transmission Fluid Temperature Sensor "A"Circuit High Input

DESCRIPTION

DTC Detection Condition:

The transmission fluid temperature sensor, which is installed in the valve body, is used to detect the fluid temperature of the transmission fluid pressure control circuit. The sensor signal is used by the hybrid vehicle control ECU to determine transmission fluid temperature.

MONITOR DESCRIPTION

Monitor Strategy:

Typical Enabling Conditions:

Typical Malfunction Thresholds:

Component Operating Range:

These DTCs indicate an open or short in the transmission fluid temperature sensor circuit. The transmission fluid temperature sensor represents transmission fluid temperature as an electrical resistance value. Based on the resistance, the hybrid vehicle control ECU determines the transmission fluid temperature. The hybrid vehicle control ECU also detects an open or short in the transmission fluid temperature circuit based on the resistance. If the resistance value of the transmission fluid temperature sensor is outside a specified range, the hybrid vehicle control ECU interprets this as a fault in the transmission fluid sensor or wiring. The ECM will turn on the MIL and store a DTC.

HINT: The transmission fluid temperature can be checked using an OBD II scan tool or the intelligent tester.

Wiring Diagram:

Step 1-3:

Step 3(Continued)-4:

Step 5-6:

Step 6(Continued):

INSPECTION PROCEDURE

CAUTION:
- Before inspecting the high-voltage system or disconnecting the low voltage connector of the inverter with converter assembly, take safety precautions such as wearing insulated gloves and removing the service plug grip to prevent electrical shocks. After removing the service plug grip, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.
- After disconnecting the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals. After waiting, check the voltage at the inspection point in the inverter with converter assembly. The voltage should be 0 V before beginning work.

HINT:
- Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.
- Read freeze frame data using the intelligent tester. In the freeze frame data, some information about the engine conditions at the moment a malfunction occurred is recorded. This information can be helpful when troubleshooting.