Honda Civic manuals

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

1. DATA COMMUNICATION MODULE (DCM)

Terminal No.

Description

Measuring condition

Standard

A1

A2

A3

LED GREEN

A4 ←> Chassis ground

i-button

i-button OFF > ON

1 M- or more > less than 1 -

A5 ←> Chassis ground

SOS button

SOS button OFF > ON

1 M- or more > less than 1 -

A6

A7

CAN L

A8

Ignition power supply

Ignition switch OFF > ON

Less than 1 V > 9 — 16 V

A9

A10

Battery power supply

Always

9 — 16 V

A11

A12

A13

LED RED

A14 ←> Chassis ground

GND

Always

Less than 1 -

A15

A16

A17

CAN H

A18

Airbag communication line

A19

MUTE

A20 ←> Chassis ground

ACC

Ignition switch OFF > ACC ON

Less than 1 V > 9 — 16 V

B1

Front speaker input LH −

B2

Front speaker output LH −

B3

Front speaker input RH −

B4

Front speaker output RH −

B5

MIC signal OUT

B6

MIC signal

B7

MIC DET

B8

MIC 5 V

B9

Front speaker input LH +

B10

Front speaker output LH +

B11

Front speaker input RH +

B12

Front speaker output RH +

B13 ←> Chassis ground

MIC GND OUT

Always

Less than 1 -

B14

MIC GND IN

B15

B16

Wiring diagram
Refer to “TELEMATICS SYSTEM” in the wiring diagram. Telematics System > WIRING DIAGRAM ...

Diagnostic code(s) display
...

Other materials:

Dtc b1821 open in side airbag rh
DIAGNOSIS START CONDITION:Ignition voltage is 10 V to 16 V.DTC DETECTING CONDITION:Open circuit failure (open circuit in main harness, open circuit in front seat side airbag RH, open circuit in airbag CM internal circuit, connector connection failure)NOTE:Before starting work, prepare two sets of TE ...

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