Physical Values
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
| Terminal (Wire color) | Description | Condition | Reference value (Approx.) | |||
|---|---|---|---|---|---|---|
| + | - | Signal name | Input/Output | |||
| 1 (W/B) | Ground | BOSE amp. ON signal | Output | Ignition switch ACC | - | 12.0 V |
| 2 (L) | 3 (P) | Sound signal front LH | Output | Ignition switch ON | Sound output | |
| 4 (V) | 5 (LG) | Sound signal rear LH | Output | Ignition switch ON | Sound output | |
| 6 (Y/G) | 15 (B) | Steering switch signal A | Input | Ignition switch ON | Keep pressing SOURCE switch. | 0 V |
| Keep pressing MENU UP switch. | 1.0 V | |||||
| Keep pressing MENU DOWN switch. | 2.0 V | |||||
| Keep pressing "Handsfree" switch | 3.0 V | |||||
| Keep pressing ENTER switch. | 4.0 V | |||||
| Except for above. | 5.0 V | |||||
| 7 (V) | Ground | ACC power supply | Input | Ignition switch ACC | - | Battery voltage |
| 10 | - | Shield | - | - | - | - |
| 11 (Y/L) | 12 (Y/G) | Sound signal front RH | Output | Ignition switch ON | Sound output | |
| 13 (O) | 14 (W) | Sound signal rear RH | Output | Ignition switch ON | Sound output | |
| 16 (Y/L) | 15 (B) | Steering switch signal B | Input | Ignition switch ON | Keep pressing VOL DOWN switch. | 0 V |
| Keep pressing VOL UP switch. | 1.0 V | |||||
| Keep pressing "Phone" switch. | 2.0 V | |||||
| Keep pressing "BACK/CANCEL" switch. | 3.0 V | |||||
| Except for above. | 5.0 V | |||||
| 19 (Y/R) | Ground | Battery power supply | Input | Ignition switch OFF | - | Battery voltage |
| 20 (B) | Ground | Ground | - | Ignition switch ON | - | 0 V |
| 26 (LG) | Ground | AUX image signal | Input | Ignition switch ON | At front AUX image is displayed. | |
| 29 (W/B) | Ground | Disk eject signal | Input | Ignition switch ON | Pressing the eject switch. | 0 V |
| Except for above. | 5.0 V | |||||
| 30 (R/W) | Ground | Mode change signal | Output | Ignition switch ON | Driver's Audio Stage ON | 0 V |
| Driver's Audio Stage OFF | 8.5 V | |||||
| 33 (L) | Ground | Composite image signal ground | - | Ignition switch ON | - | 0 V |
| 34 (P) | Ground | Composite image signal | Output | Ignition switch ON | When DVD, USB or front AUX image is displayed on headrest display unit LH or RH. | |
| 46 (V) | Ground | AUX image signal ground | - | Ignition switch ON | - | 0 V |
| 47 | - | Shield | - | - | - | - |
| 49 (R/W) | Ground | Switch ground | - | Ignition switch ON | - | 0 V |
| 53 | - | Shield | - | - | - | - |
| 65 (W) | Ground | Parking brake signal | Input | Ignition switch ON | Parking brake is applied. | 0 V |
| Parking brake is released. | 4.5 V | |||||
| 67 (W) | Ground | Composite image signal ground | - | Ignition switch ON | - | 0 V |
| 68 (R) | Ground | Composite image signal | Output | Ignition switch ON | At DVD image is displayed. | |
| 69 (O) | Ground | Intelligent key identification signal | Input | Ignition switch ACC | At door unlock Key 1. | 5.0 V |
| At door unlock Key 2. | 0 V | |||||
| 72 (Y/G) | Ground | Microphone VCC | Output | Ignition switch ON | - | 5.0 V |
| 73 (Y/G) | Ground | Communication signal (CONT→DISP) | Output | Ignition switch ON | When adjusting display brightness. | |
| 74 (P) | - | CAN-L | Input/Output | - | - | - |
| 75 (LG) | - | AV communication signal (L) | Input/Output | - | - | - |
| 76 (LG) | - | AV communication signal (L) | Input/Output | - | - | - |
| 79 (L/O) | Ground | Dimmer signal | Input | Ignition switch ON | Either of the following conditions
|
0 V |
| Lighting switch is 1st or 2nd, and the area around the vehicle is dark (block the light from the optical sensor) | 12.0 V | |||||
| 80 (GR/L) | Ground | Ignition signal | Input | Ignition switch ON | - | Battery voltage |
| 81 (R/Y) | Ground | Reverse signal | Input | Ignition switch ON | Selector lever is in R position. | 12.0 V |
| Selector lever is in other than R position. | 0 V | |||||
| 82 (BR/W) | Ground | Vehicle speed signal (8-pulse) | Input | Ignition switch ON | When vehicle speed is approx. 40 km/h (25 MPH) |
NOTE:
The maximum voltage varies depending on the specification (destination unit).
|
| 83 | - | Shield | - | - | - | - |
| 84 (W/B) | Ground | Composite image synchronizing signal | Output | Ignition switch ON | At DVD image is displayed. | |
| 87 (Y/L) | 71 | Microphone signal | Input | Ignition switch ON | Give a voice. | |
| 88 | - | Shield | - | - | - | - |
| 89 (Y/L) | Ground | Communication signal (DISP→CONT) | Input | Ignition switch ON | When adjusting display brightness. | |
| 90 (L) | - | CAN-H | Input/Output | - | - | - |
| 91 (SB) | - | AV communication signal (H) | Input/Output | - | - | - |
| 92 (SB) | - | AV communication signal (H) | Input/Output | - | - | - |
| 104 (W) | 119 (W/L) | AUX sound signal LH | Input | Ignition switch ON | When front AUX mode is selected. | |
| 106 (W) | 120 (R) | Sound signal LH | Output | Ignition switch ON | When DVD or USB mode is selected on headrest display unit LH or RH. | |
| 107 (B) | 121 (G) | Sound signal RH | Output | Ignition switch ON | When DVD or USB mode is selected on headrest display unit LH or RH. | |
| 117 | - | Shield | - | - | - | - |
| 118 (O) | 119 (W/L) | AUX sound signal RH | Input | Ignition switch ON | When front AUX mode is selected. | |
| 122 | - | Shield | - | - | - | - |
| 129 (G) | - | USB ground | - | - | - | - |
| 130 (R) | - | USB D- signal | - | - | - | - |
| 131 (W) | - | V BUS signal | - | - | - | - |
| 132 (L) | - | USB D+ signal | - | - | - | - |
| 133 | - | Shield | - | - | - | - |
| 135 (G) | 136 (V) | Voice guidance signal | Output | Ignition switch ON | When inputting voice guidance. | |
| 137 (R) | 145 (W) | Sound signal woofer | Output | Ignition switch ON | Sound output | |
| 138 (L) | 146 (P) | Sound signal center speaker | Input | Ignition switch ON | Sound output | |
| 139 | - | Shield | - | - | - | - |
| 144 | - | Shield | - | - | - | - |
| 150 | - | FM sub | Input | - | - | - |
| 151 | - | AM-FM main | Input | - | - | - |
| 152 | Ground | Antenna amp. ON signal | Input | Ignition switch ON | - | 12.0 V |
| 153 | Ground | GPS antenna signal | Input | Ignition switch ON | Not connected GPS antenna connector. | 5.0 V |
| 154 | - | Shield | - | - | - | - |
| 157 | Ground | RGB digital image signal (-) | Output | Ignition switch ON | Not connected connector. | 1.3 V |
| 158 | Ground | RGB digital image signal (+) | Output | Ignition switch ON | Not connected connector. | 1.3 V |
| 159 | Ground | Satellite radio antenna signal | Input | Ignition switch ON | Not connected satellite antenna connector. | 5.0 V |