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

Subaru Legacy BN/BS (2015-2019) Service Manual / Entertainment / Audio system / Inspection

1. BASIC INSPECTION

Model with 6.2 inch display

1. Using the Check List for Interview, ask the customer the condition of how the trouble occurred. Check List for Interview > CHECK

2. Check the battery.

• H4 model: Battery > INSPECTION

• H6 model: Battery > INSPECTION

3. Refer to “Diagnostics with Phenomenon” in “INFOTAINMENT SYSTEM (DIAGNOSTICS)”. Diagnostics with Phenomenon > LIST

Model with 7 inch display

Refer to “Basic Diagnostic Procedure” in “INFOTAINMENT SYSTEM (DIAGNOSTICS)”. Basic Diagnostic Procedure

2. SYSTEM BLOCK DIAGRAM

Model with 6.2 inch display

Model with 7 inch display

Refer to “System Block Diagram” in “INFOTAINMENT SYSTEM (DIAGNOSTICS)”. Control Module I/O Signal > SYSTEM BLOCK DIAGRAM

3. MODULE I/O SIGNAL

Model with 6.2 inch display

• Power supply and speaker output terminal

Terminal No.

Content

Measuring condition

Measurement value

Note

(i85) No. 1

FRONT-RH (+)

—

—

—

(i85) No. 2

FRONT-LH (+)

—

—

—

(i85) No. 3 ←> Chassis ground

ACC

ACC ON

11 — 15 V

—

(i85) No. 4 ←> Chassis ground

+B

Always

11 — 15 V

—

(i85) No. 5

FRONT-RH (−)

—

—

—

(i85) No. 6

FRONT-LH (−)

—

—

—

(i85) No. 7 ←> Chassis ground

GND

Always

0 V

—

(i85) No. 8

ANTENNA-ON

—

—

—

(i85) No. 9

N.C.

—

—

—

(i85) No. 10

ILLUMI (+)

—

—

—

(i131) No. 1

REAR-RH (+)

—

—

—

(i131) No. 2

REAR-LH (+)

—

—

—

(i131) No. 3

REAR-RH (−)

—

—

—

(i131) No. 4

N.C.

—

—

—

(i131) No. 5

ILLUMI (−)

—

—

—

(i131) No. 6

REAR-LH (−)

—

—

—

• Steering switch and AUX input terminal for microphone etc.

Terminal No.

Content

Measuring condition

Measurement value

Note

(i192) No. 1

URAT

—

—

—

(i192) No. 2

REV

—

—

—

(i192) No. 3

BRIGHT

—

—

—

(i192) No. 4

MAC+B

—

—

—

(i192) No. 5

MIC (+)

—

—

—

(i192) No. 6

MIC-DET

—

—

—

(i192) No. 7

N.C.

—

—

—

(i192) No. 8

N.C.

—

—

—

(i192) No. 9

N.C.

—

—

—

(i192) No. 10

N.C.

—

—

—

(i192) No. 11

CAM + 6V

—

—

—

(i192) No. 12

CV (+)

—

—

—

(i192) No. 13

CV (−) (SHIELD)

—

—

—

(i192) No. 14

SHIELD-GND (AUX)

—

—

—

(i192) No. 15 ←> Chassis ground

PKB

At parking ON

1 V or less

—

(i192) No. 16

N.C.

—

—

—

(i192) No. 17 ←> Chassis ground

SPD

When the tire is rotating

Pulse signal

—

(i192) No. 18

SHIELD-GND (MIC)

—

—

—

(i192) No. 19

MIC (−)

—

—

—

(i192) No. 20

GND (CAMERA)

—

—

—

(i192) No. 21

SW1 (+)

—

—

—

(i192) No. 22

SW2 (+)

—

—

—

(i192) No. 23

SW-GND

—

—

—

(i192) No. 24

N.C.

—

—

—

(i192) No. 25

AUX-ON

—

—

—

(i192) No. 26

AUX-R (+)

—

—

—

(i192) No. 27

AUX-LR (−)

—

—

—

(i192) No. 28

AUX-L (+)

—

—

—

Model with 7 inch display

Refer to “Control Module I/O Signal” of “INFOTAINMENT SYSTEM (DIAGNOSTICS)”. Control Module I/O Signal > ELECTRICAL SPECIFICATION

Wiring diagram
1. MODEL WITH 6.2 INCH DISPLAYRefer to “Audio System” in the wiring diagram. Audio System > WIRING DIAGRAM2. MODEL WITH 7 INCH DISPLAYRefer to “Audio System” in the wiring dia ...

Operation
1. SUBARU STARLINK CONNECTION ID DISPLAYModel with 6.2 inch display1. Turn the ignition switch to ACC.2. Press the HOME button (a) to display the {HOME} screen.3. Touch the {SETTINGS} (b) to display t ...

Other materials:

Inspection
1. Using the Subaru Select Monitor, display «Rear gate/Trunk UNLOCK output» from «Data monitor».2. Check that the display changes when the trunk opener button is operated.3. If the display is not correct as the result of inspection, refer to “General Diagnostic Table” of the “K ...

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