Troubleshooting

P0711 - Transmission Fluid Temperature Sensor Circuit Range/Performance Problem

CIRCUIT DESCRIPTION

DTC Detecting Condition:

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

Step 1:

INSPECTION PROCEDURE

HINT: Read freeze frame data using LEXUS hand-held tester or OBD II scan tool. Because freeze frame records the engine conditions when the malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air-fuel ratio was lean or rich, etc. at the time of the malfunction.