RADIO AND DISPLAY RECEIVER ASSEMBLY
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G141-3 (ACC1) - G141-7 (GND1) | GR - BR | Power source (ACC) | Ignition switch off | Below 1 V |
| Ignition switch ACC | 10 to 16 V | |||
| G141-4 (+B1) - G141-7 (GND1) | SB - BR | Power source (+B) | Always | 10 to 16 V |
| G141-7 (GND1) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| G143-1 (IG) - G141-7 (GND1) | Y - BR | Power source (IG) | Ignition switch off | Below 1 V |
| Ignition switch ON | 10 to 16 V | |||
| G143-2 (REV) - G141-7 (GND1) | BE - BR | Reverse signal | See "Vehicle Signal Check Mode" in Operation Check | - |
| G159-11 (CA+) - G159-23 (CGND) | B - Shielded | Power source | Ignition switch ON | 5.5 to 7.05 V |
| G159-12 (V+) - G159-23 (CGND) | W - Shielded | Video signal | Ignition switch ON, camera lens not covered, displaying an image | Pulse generation (See waveform 1) |
| Ignition switch ON, camera lens covered, blacking out the screen | Pulse generation (See waveform 2) |
|||
| G159-23 (CGND) - Body ground | Shielded - Body ground | Shielded ground | Always | Below 1 V |
| G159-24 (V-) - G159-23 (CGND) | R - Shielded | Ground | Always | Below 1 V |
| *a | Waveform 1 |
| *b | Waveform 2 |
| *c | Synchronized Signal |
| *d | Video Waveform |
Reference (Oscilloscope waveform):
Waveform 1
| Item | Content |
|---|---|
| Terminal No. (Symbol) | G159-12 (V+) - G159-23 (CGND) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Ignition switch ON, camera lens not covered, displaying an image |
Waveform 2
| Item | Content |
|---|---|
| Terminal No. (Symbol) | G159-12 (V+) - G159-23 (CGND) |
| Tool Setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Ignition switch ON, camera lens covered, blacking out the screen |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.