AT OIL TEMP Warning Light Display: Operation
The AT OIL TEMP light illuminates or blinks, when the ATF temperature is high and malfunction occurs in CVT.
- When normal
AT OIL TEMP light always illuminates when the ignition switch is ON (engine OFF). Light goes off after two seconds from engine ON.
- When ATF temperature is high
AT OIL TEMP light illuminates when the ATF temperature is abnormally high with engine ON.
- When malfunction is detected
AT OIL TEMP light blinks at 2 Hz when the TCM detects the malfunction of CVT with engine ON. In this case, inspect using "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". Refer to , DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) .
- When AT learning is not finished
AT OIL TEMP light repeats "Blinking at 4 Hz → Turning OFF &" every two seconds, when the AT learning is not finished with engine ON. In this case, perform the "Learning". (During AT learning, the light blinks at 2 Hz or illuminates.) Refer to , LEARNING CONTROL .
IF the AT OIL TEMP light does not illuminate, or illumination patterns are not as above, check the AT OIL TEMP light circuit. Refer to , INSPECTION , AT OIL TEMP Warning Light Display.