Subaru Legacy BN/BS (2015-2019) Service Manual: Operation

Subaru Legacy BN/BS (2015-2019) Service Manual / Continuously variable transmission (diagnostics) / Awd warning light display / 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

(A)	Ignition switch condition

(1)	At normal condition	(2)	When FF mode is selected	(3)	When malfunction is detected

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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Preparation tool
1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS18355AA000PULLEY WRENCH• Used for removing and installing water pump pulley.• Used with PULLEY WRENCH PIN SET (18334AA030).18334AA030PULLEY WRENCH PIN SET• Used for removing and installing water pump pulley.• Used togeth ...