Subaru Legacy BN/BS (2015-2019) Service Manual: Operation
The AT OIL TEMP light illuminates or blinks, when the ATF temperature is high and malfunction occurs in CVT. • At normal condition After turning the ignition switch to ON, illuminates for 2 seconds then goes off. • When ATF temperature is high AT OIL TEMP light illuminates when the ATF temperature is abnormally high with the ignition switch ON. • When malfunction is detected AT OIL TEMP light blinks at 2 Hz when the TCM detects the malfunction of CVT with the ignition switch ON. In this case, inspect using “Diagnostic Procedure with Diagnostic Trouble Code (DTC)”. Diagnostic Procedure with Diagnostic Trouble Code (DTC) • When AT learning is not finished AT OIL TEMP light repeats “Blinking at 4 Hz > Turning OFF” when the AT learning is not completed with the ignition switch ON. In this case, perform the “Learning”. (During AT learning, the light blinks at 2 Hz or illuminates.) 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. AT OIL TEMP Warning Light Display > INSPECTION |
Inspection
DIAGNOSIS:• CAN communication is lost with the combination meter.• Combination meter malfunction• TCM is in special control mode.• AT learning is not finished.TROUBLE SYMPTOM:& ...
Other materials:
Inspection
1. BATTERYCheck the battery. Battery > INSPECTION Battery > INSPECTIONStandard voltage: 12 V or moreSpecific gravity: 1.260 or more2. TRANSMISSION GROUNDMake sure that the ground terminal bolt is tightened securely.Tightening torque:ENGINE TYPE FB14 N·m (1.4 kgf-m, 10.3 ft-lb)ENGINE TYPE EZ ...
