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Audio Unit for BOSE System

TERMINAL AND REFERENCE VALUE CHART

Terminal (Wire color)

Item

Signal input/output

Condition

Reference value

+

-

Ignition switch

Operation

2 (R/L)

3 (W)

Audio signal LH

Output

ON

Receive audio signal.

G04879120

6 (BR)

15 (G)

Steering switch signal A

Input

ON

Keep pushing SOURCE switch.

approx. 0 V

Keep pushing MENU UP switch.

Approx. 1.2 V

Keep pushing MENU DOWN switch.

Approx. 2.5 V

Keep pushing ENTER switch.

Approx. 3.7 V

Except for above.

Approx. 5 V

7 (V)

Ground

ACC power supply

Input

ACC

-

Battery voltage

8 (B/W)

Ground

Illumination control signal

Input

OFF

Illumination control switch is operated by lighting switch in ON position.

Change between approx. 0 V and approx. 12 V

9 (R)

Ground

Illumination signal

Input

OFF

Lighting switch is OFF.

Approx. 0 V

Lighting switch is ON.

Approx. 12 V

11 (P)

12 (L)

Audio signal RH

Output

ON

Receive audio signal.

G04879120

15 (G)

Ground

Steering switch signal ground

-

ON

-

Approx. 0 V

16 (O)

15 (G)

Steering switch signal B

Input

ON

Keep pushing VOL DOWN switch.

Approx. 0 V

Keep pushing VOL UP switch.

Approx. 1.2 V

Keep pushing TEL, PTT switch.

Approx. 2.5 V

Keep pushing BACK switch.

Approx. 3.7 V

Except for above.

Approx. 5V

19 (Y)

Ground

Battery power supply

Input

OFF

-

Battery voltage

20 (B)

Ground

Ground

-

ON

-

Approx. 0 V

21⁽¹⁾ (B/R)

25⁽¹⁾ (BR)

Sound signal LH

Input

ON

When playing DVD (Down mix is ON)

G04879120

22⁽¹⁾ (B/W)

26⁽¹⁾ (L)

Sound signal RH

23 (Y)

-

Communication signal (H)

Input/Output

-

-

-

24 (O)

-

Communication signal (L)

Input/Output

-

-

-

27⁽¹⁾

-

Shield

-

-

-

-

30 (BR)

31 (B/R)

TEL voice signal

Input

ON

When inputting TEL voice signal.

G04879120

37

-

Shield

-

-

-

-

41 (R)

45 (G)

Audio signal LH

Input

ON

Satellite radio mode is ON.

G04879120

42 (B)

46 (W)

Audio signal RH

Input

ON

Satellite radio mode is ON.

G04879120

43 (W)

Ground

Communication signal (AUDIO-SAT)

Output

ON

Satellite radio mode is ON.

G04904093

47

-

Shield

-

-

-

-

48

-

Shield

-

-

-

-

50 (B)

Ground

REQ1 (SAT-AUDIO)

Input

ON

Satellite radio mode is ON.

G04904091

51 (R)

Ground

Communication signal (SAT-AUDIO)

Input

ON

Satellite radio mode is ON.

G04904092

53

Ground

Antenna amp ON signal

Output

ON

-

Approx. 12V

54

-

AM-FM main

Input

-

-

-

55

-

FM sub

Input

-

-

-

⁽¹⁾	BOSE surround 5.1ch system