Terminals Of Ecu: Multi-display:
WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
MULTI-DISPLAY ECU TERMINALS SPECIFICATIONS
| Symbols (Terminals No.) | Wiring Color | Terminal Description | Condition | Specification |
|---|---|---|---|---|
| GND1 (M5-3) - Body ground | W-B - Body ground | Ground | Always | Below 1 V |
| TX1+ (M5-4) - GND1 (M5-3) | P - W-B | AVC-LAN communication signal | Turn ignition switch to ON | 2 to 3 V |
| TX1- (M5-5) - GND1 (M5-3) | L-B - W-B | AVC-LAN communication signal | Turn ignition switch to ON | 2 to 3 V |
| TC (M5-7) - GND1 (M5-3) | P-B - W-B | Diagnosis ON signal | Turn ignition switch to the ON position | 9 to 14 V |
| IG (M5-10) - GND1 (M5-3) | B-W - W-B | Ignition (ON) | Turn ignition switch OFF --> ON | Below 1 V --> 10 to 14 V |
| ACC (M5-11) - GND1 (M5-3) | GR - W-B | Accessory (ON) | Turn ignition switch OFF --> ACC or ON | Below 1 V --> 10 to 14 V |
| B1 (M5-12) - GND1 (M5-3) | L-W - W-B | Battery | Always | 10 to 14 V |
| PKB (M5-16) - GND1 (M5-3) | R-W - W-B | Parking brake signal | Turn parking brake switch ON --> OFF | Below 1 V --> 10 to 14 V |
| SPD (M5-25) - GND1 (M5-3) | V - W-B | Speed signal from combination meter | See VEHICLE SIGNAL CHECK MODE | - |
| SGND (M6-3) - GND1 (M5-3) | W-B - W-B | Screen noise or other types of noise occur | Ignition switch OFF | Below 1 V |
| MIN+ (M6-4) - GND1 (M5-3) | B - W-B | Microphone voice signal | See MICROPHONE CHECK | - |
| MIN- (M6-5) - Body ground | W - Body ground | Microphone voice signal | See MICROPHONE CHECK | - |
| MACC (M6-6) - GND1 (M5-3) | Y-G - W-B | Microphone Accessory | Turn ignition switch OFF --> ON | Below 1 V --> 10 to 14 V |
| TX3+ (M6-11) - GND1 (M5-3) | P-L - W-B | AVC-LAN communication signal | Turn ignition switch to ON | 2 to 3 V |
| TX3- (M6-12) - GND1 (M5-3) | P-B - W-B | AVC-LAN communication signal | Turn ignition switch to ON | 2 to 3 V |
| TX+ (M6-13) - GND1 (M5-3) | P - W-B | AVC-LAN communication signal | Turn ignition switch to ON | 2 to 3 V |
| TX- (M6-14) - GND1 (M5-3) | L - W-B | AVC-LAN communication signal | Turn ignition switch to ON | 2 to 3 V |
| SGND (M6-17) - GND1 (M5-3) | Shielded - W-B | Screen noise or other types of noise occur | Ignition switch OFF | Below 1 V |
| MCO+ (M6-18) - GND1 (M5-3) | B - W-B | Microphone voice signal | See MICROPHONE CHECK | - |
| MCO- (M6-19) - GND1 (M5-3) | W - W-B | Microphone voice signal | See MICROPHONE CHECK | - |
| IVO+ (M6-21) - GND1 (M5-3) | O - W-B | Telephone voice signal (bluetooth) | See MICROPHONE CHECK | - |
| IVO- (M6-22) - GND1 (M5-3) | W - W-B | Telephone voice signal (bluetooth) | See MICROPHONE CHECK | - |
| VR (M6-23) - GND1 (M5-3) | B - W-B | Video return signal | Turn ignition switch OFF | Below 1 V |
| R (M6-24) - GND1 (M5-3) | Y - W-B | Display signal (red) | Navigation display is on | Pulse generation *2 |
| G (M6-25) - GND1 (M5-3) | W - W-B | Display signal (green) | Navigation display is on | Pulse generation *2 |
| B (M6-26) - GND1 (M5-3) | R - W-B | Display signal (blue) | Navigation display is on | Pulse generation *2 |
| SYNC (M6-27) - GND1 (M5-3) | G - W-B | Display signal (synchronize) | Navigation display is on | Pulse generation *1 |
| VG (M6-28) - Body ground | Shielded - Body ground | Shielded ground | Always | Below 1 V |
| NTSC (M7-1) - GND1 (M5-3) | W - W-B | DVD screen is in disorder | Ignition switch ON and DVD displayed | Pulse generation *3 |
| SGD1 (M7-4) - GND1 (M5-3) | B - W-B | Screen noise or other types of noise occur | Ignition switch OFF | Below 1 V |
| SGND (M7-5) - GND1 (M5-3) | Shielded - W-B | Screen noise or other types of noise occur | Ignition switch OFF | Below 1 V |
- *1: Oscilloscope wave
Terminal to be measured: SYNC - GND1 Setting for measurement: 500 mV/DIV10 MUEs/DIV Condition: Navigation display is displayed.
- *2: Oscilloscope wave
Terminal to be measured: R, G, B - GND1 Setting for measurement: 200 mV/DIV10 MUEs/DIV Condition: Navigation map is switched.
- *3: Oscilloscope wave
Terminal to be measured: NTSC - SGD1 Setting for measurement: 0.2 mV/DIV, 0.2 MUEs/DIV Condition: Ignition switch ON and DVD displayed.