Audio Unit
AUDIO UNIT TERMINALS AND REFERENCE VALUE
| 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. | |
| 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 (R/Y) | 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. | |
| 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. 5 V | |||||
| 19 (Y) | Ground | Battery power supply | Input | OFF | - | Battery voltage |
| 20 (B) | Ground | Ground | - | ON | - | Approx. 0 V |
| 21 (B/R) | 25 (BR) | Sound signal LH | Input | ON | When playing DVD | |
| 22 (B/W) | 26 (L) | Sound signal RH | ||||
| 23 (Y) | - | Communication signal (H) | Input/Output | - | - | - |
| 24 (O) | - | Communication signal (L) | Input/Output | - | - | - |
| 27 | - | Shield | - | - | - | - |
| 30 (BR) | 31 (B/R) | TEL voice signal | Input | ON | When inputting TEL voice signal. | |
| 37 | - | Shield | - | - | - | - |
| 41 (R) | 45 (G) | Audio signal LH | Input | ON | Satellite radio mode is ON. | |
| 42 (B) | 46 (W) | Audio signal RH | Input | ON | Satellite radio mode is ON. | |
| 43 (W) | Ground | Communication signal (AUDIO-SAT) | Output | ON | Satellite radio mode is ON. | |
| 47 | - | Shield | - | - | - | - |
| 48 | - | Shield | - | - | - | - |
| 50 (B) | Ground | REQ1 (SAT-AUDIO) | Input | ON | Satellite radio mode is ON. | |
| 51 (R) | Ground | Communication signal (SAT-AUDIO) | Input | ON | Satellite radio mode is ON. | |
| 53 | Ground | Antenna amp ON signal | Output | ON | - | Approx.12V |
| 54 | - | AM-FM main | Input | - | - | - |
| 55 | - | FM sub | Input | - | - | - |