Physical Values With BOSE Audio System

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

-

Signal name

Input/Output

Ignition switch

Operation

1

(W)

2

(G)

Sound signal rear side speaker

Output

ON

Sound output

4

(G)

3

(W)

Sound signal instrument panel tweeter RH

Output

ON

Sound output

5

(R)

6

(G)

Sound signal subwoofer 2

Output

ON

Sound output

7

(B)

Ground

Ground

--

ON

--

0 V

10

(LG)

Ground

Battery power supply

Input

OFF

--

Battery voltage

11

(Y)

Ground

Battery power supply

Input

OFF

--

Battery voltage

12

(B)

Ground

Ground

--

ON

--

0 V

13

(W)

8

(B)

Sound signal subwoofer 1

Output

ON

Sound output

14

(G)

9

(W)

Sound signal rear door speaker RH

Output

ON

Sound output

16

(P)

17

(R)

Sound signal center speaker

Output

ON

Sound output

18

(G)

19

(R)

Sound signal front door speaker and front tweeter LH

Output

ON

Sound output

20

(W)

Ground

Bose speaker amp. ON signal

Input

ON

--

Battery voltage

24

(B)

23

(W)

Pre amp sound signal rear LH

Input

ON

Sound output

26

(B)

25

(W)

Pre amp sound signal rear RH

Input

ON

Sound output

28

(P)

15

(R)

Sound signal rear door speaker LH

Output

ON

Sound output

29

(R)

30

(G)

Sound signal instrument panel tweeter LH

Output

ON

Sound output

31

(W)

32

(P)

Sound signal front door speaker and front tweeter RH

Output

ON

Sound output

33

(B)

34

(W)

Pre amp sound signal front RH

Input

ON

Sound output

35

(B)

36

(W)

Pre amp sound signal front LH

Input

ON

Sound output