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Audio Unit for Base System

TERMINAL AND REFERENCE VALUE CHART

Terminal (Wire color)

Item

Signal input/output

Condition

Reference value

+

-

Ignition switch

Operation

2 (P)⁽¹⁾ (R/L)⁽²⁾

3 (W)

Audio signal front LH

Output

ON

Receive audio signal.

G04879120

4 (LG)

5 (SB)

Audio signal rear LH

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 (BR)⁽¹⁾ (P)⁽²⁾

12 (R)⁽¹⁾ (L)⁽²⁾

Audio signal front RH

Output

ON

Receive audio signal.

G04879120

13 (Y)

14 (P)

Audio signal rear RH

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 switch.

Approx. 2.5 V

Keep pushing BACK switch.

Approx. 3.7 V

Except for above.

Approx. 5 V

19 (Y)

Ground

Battery power supply

Input

OFF

-

Battery voltage

20 (B)

Ground

Ground

-

ON

-

Approx. 0 V

23 (R)⁽¹⁾ (Y)⁽²⁾

-

Communication signal (H)

Input/Output

-

-

-

24 (B)⁽¹⁾ (O)⁽²⁾

-

Communication signal (L)

Input/Output

-

-

-

30 (BR)

31 (B/R)

TEL voice signal

Input

ON

When inputting telephone voice.

G04879120

32 (L/G)⁽¹⁾ (P)⁽²⁾

33 (L/Y)⁽¹⁾ (L)⁽²⁾

Voice guidance signal

Input

ON

Push "VOICE" button.

G04879120

37

-

Shield

-

-

-

-

38

-

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. 12 V

54

-

AM-FM main

Input

-

-

-

55

-

FM sub

Input

-

-

-

⁽¹⁾	2WD models without navigation system and RAS

⁽²⁾

Except *1