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Home >> Scion >> 2007 >> tC Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Automatic Transaxle System >> DTC P0711 Transmission Fluid Temperature Sensor "A" Performance >> Description

DTC P0711 Transmission Fluid Temperature Sensor "A" Performance: Description

The ATF (Automatic Transmission Fluid) temperature sensor converts the fluid temperature into a resistance value which is input into the ECM.

DTC CHART

DTC No. DTC Detection Condition Trouble Area
P0711 Condition A (2-trip detection logic):
First, ECM checks for following conditions:
  1. 17 minutes or more after engine is started and after 9 km (5.6 miles) or more of driving, ECT is -15°C (5°F) or more
  2. After starting engine and certain period of time has elapsed, ECT and IAT are -10°C (14°F) or more If conditions are met, ECM then checks if ATF temperature is less than 20°C (68°F). If so, ECM interprets this as fault and illuminates MIL.

Condition B (2-trip detection logic):
First, ECM checks for following conditions:
  1. ECT is 60°C (140°F) or more
  2. After starting engine and certain period of time has elapsed, ECT is less than 35°C (95°F)

If conditions are met, ECM then checks if ATF temperature is 100°C (212°F) or more. If so, ECM interprets this as fault and illuminates MIL.
  • Open or short in ATF temperature sensor circuit
  • Transmission wire (ATF temperature sensor)
  • ECM