AT Oil Temp Warning Light Display
AT OIL TEMP Warning Light DisplayOPERATION
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)". P Code Charts
^ 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.) Programming and Relearning
IF the AT OIL TEMP light does not illuminate, or illumination patterns are not as above, check the AT OIL TEMP light circuit.
INSPECTION
DIAGNOSIS:
^ AT OIL TEMP light circuit is open or shorted.
^ Combination meter malfunction
^ TCM is in special control mode.
^ AT learning is not finished.
TROUBLE SYMPTOM:
^ When the ignition switch is turned to ON, the AT OIL TEMP light does not illuminate.
^ AT OIL TEMP light remains lit after engine start.
WIRING DIAGRAM:
