Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

The ATF temperature sensor converts fluid temperature into a resistance value which is input into the ECM.

DTC CONDITION DETECTION CHART

DTC No.	DTC Detecting Condition	Trouble Area
P0711	Both (a) and (b) are detected: (2-trip detection logic) After 12 sec. of engine start, temp, of atmosphere and that of engine coolant is more than-10°C After normal driving for over 20 min. and 10 km, ATF temp, is less than 10°C	Open or short in ATF temperature sensor circuit ATF temperature sensor ECM