Light Auto Display Is Not Displayed In The Advanced Equipment Screen

Detecting condition:

MFD initial setting, communication circuit or MFD is abnormal.

Wiring diagram:

Multi-function display (MFD) system Ref. to WIRING SYSTEM>Multi-function Display (MFD) System>WIRING DIAGRAM .
CAN communication system Ref. to WIRING SYSTEM>CAN Communication System>WIRING DIAGRAM .

Courtesy of SUBARU OF AMERICA, INC.

CAUTION: Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>General Description>CAUTION .

INITIAL SETTING .
1. Switch the MFD display screen to the advanced equipment screen.
2. Move the light switch to AUTO position.
Is AUTO light displayed?

Yes : Initial setting has not been made.

No : Go to 2.
CHECK HARNESS BETWEEN MFD AND BODY INTEGRATED UNIT .
1. Turn the ignition switch to OFF.
2. Disconnect the MFD connector.
3. Disconnect the body integrated unit connector.
4. Measure the resistance of the harness between MFD connector and body integrated unit connector.
Connector & terminal

(i122) No. 19 - (B281) No. 17:

(i122) No. 20 - (B281) No. 19:

Is the resistance less than 10 Ω?

Yes : Go to 3.

No : Repair or replace the open circuit of harness.
CHECK BODY INTEGRATED UNIT .
Read the DTC of [Body Control] using the Subaru Select Monitor. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

Are any DTCs displayed? (Current malfunction)

Yes : Perform the diagnosis according to displayed DTC. Ref. to BODY CONTROL (DIAGNOSTICS)>Diagnostic Trouble Code (DTC)>LIST .

No : Replace the MFD. Ref. to INSTRUMENTATION/DRIVER INFO>MULTI-FUNCTION DISPLAY (MFD) .