Subaru Legacy BN/BS (2015-2019) Service Manual: Operation
AWD light illuminates or blinks, when the AWD is in special control condition and AWD has malfunction. • At normal condition After turning the ignition switch to ON, illuminates for 2 seconds then goes off. • When FF mode is selected AWD light illuminates when the AWD ON/OFF switching function is set to “FF mode” with the ignition switch ON. • When malfunction is detected AWD light blinks at 2 Hz when any of the following malfunctions are detected with the ignition switch ON. 1. When tire with different diameter is installed, or air pressure of any of four wheels is excessively low. 2. When “Rear differential inspection mode” is judged as NG Rear Differential Inspection Mode
If the AWD light does not illuminate, or illumination patterns are not as above, check the AWD light circuit. AWD Warning Light Display > INSPECTION |
Inspection
DIAGNOSIS:• CAN communication is lost with the combination meter.• Combination meter malfunction• TCM is in AWD special control mode.TROUBLE SYMPTOM:• When the ignition switch ...
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