P0710

DTC P0710 - TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT

OUTLINE OF DIAGNOSIS
- Judge NG when ATF temperature sensor becomes open circuit, battery short or ground short.
- Judge NG when ATF temperature sensor is faulty.

COMPONENT DESCRIPTION
ATF temperature sensor is installed to the hydraulic control valve body of transmission as a unit with transmission harness. This sensor detects ATF temperature and outputs it as electric resistance signal.




ENABLE CONDITION

GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.




DIAGNOSTIC METHOD

DTC CLEAR CONDITION
- When the OK idling cycle was completed 40 times in a row
- When " Clear Memory " was performed

MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When " Clear Memory " was performed

FAIL SAFE
Control ATF temperature at a constant temperature 80 °C (176 °F)

ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)