Tech Tips
Check from the rear of the connector while it is connected to the components.
RADIO RECEIVER ASSEMBLY (for 6 Speakers)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O71-3 (CNH1) | V | Local bus communication signal | - | - |
| O71-4 (CNL1) | P | Local bus communication signal | - | - |
| O71-11 (CA+) - O68-7 (GND1)* | B - W-B | Television camera power supply | Power switch on (ACC) | 5.5 to 7.05 V |
| O71-12 (V+) - O68-7 (GND1)* | R - W-B | Video signal | Power switch on (IG) Shift lever in R Camera lens not covered, displaying an image |
Pulse generation (Refer to waveform 1) |
| Power switch on (IG) Shift lever in R Camera lens covered, blacking out screen |
Pulse generation (Refer to waveform 2) |
|||
| O71-18 (TX2+) | B | AVC-LAN communication signal | - | - |
| O71-19 (TX2-) | W | AVC-LAN communication signal | - | - |
| O71-23 (CGND) - Body ground* | Shield - Body ground | Shield ground | Always | Below 1 V |
| O71-24 (V-) - O68-7 (GND1)* | W - W-B | Ground | Always | Below 1 V |
| O70-1 (IG) - O68-7 (GND1) | P - W-B | Power source (IG) | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| O70-4 (MACC) - O68-7 (GND1) | R - W-B | Microphone power supply | Power switch off | Below 1 V |
| Power switch on (ACC) | 4 to 6 V | |||
| O70-5 (MIN+) - O68-7 (GND1) | W - W-B | Microphone voice signal | See "Check Microphone" in Operation Check |
- |
| O70-6 (SNS2) - O68-7 (GND1) | L - W-B | Microphone connection detection signal | Always | Below 1 V |
| O70-7 (TX1+) | L | AVC-LAN communication signal | - | - |
| O70-8 (TX1-) | G | AVC-LAN communication signal | - | - |
| O70-9 (CANH) | R | CAN communication signal | - | - |
| O70-10 (CANL) | B | CAN communication signal | - | - |
| O70-11 (AGND) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| O70-12 (SG) - O68-7 (GND1) | Shield - W-B | External device connection detection signal | External device connected | Below 1 V |
| O70-13 (VV+) - O68-7 (GND1) | P - W-B | Video signal | External device playing (When stereo jack used) |
A waveform synchronized with video signals is output |
| O70-14 (VV-) - O68-7 (GND1) | L - W-B | Video signal ground | Always | Below 1 V |
| O70-15 (PKB) - O68-7 (GND1) | GR - W-B | Parking brake signal | See "Check Vehicle Signal" in Operation Check |
- |
| O70-16 (MUT1) - O68-7 (GND1) | LG - W-B | Mute signal | Power switch on (ACC) Audio system playing |
2.0 V or higher |
| Audio system changing modes | Below 1 V | |||
| O70-17 (SPD) - O68-7 (GND1) | L - W-B | Vehicle speed signal | See "Check Vehicle Signal" in Operation Check |
- |
| O70-18 (SGND) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| O70-19 (MIN-) - O68-7 (GND1) | B - W-B | Microphone voice signal | See "Check Microphone" in Operation Check |
- |
| O70-21 (SW1) - O70-23 (SWG) | L - BR | Steering pad switch signal | No switch pushed | 2.97 to 3.56 V |
| Seek+ switch pushed | 0.27 to 0.35 V | |||
| Seek- switch pushed | 0.86 to 1.03 V | |||
| Volume+ switch pushed | 1.51 to 1.79 V | |||
| Volume- switch pushed | 2.22 to 2.66 V | |||
| O70-22 (SW2) - O70-23 (SWG) | P - BR | Steering pad switch signal | No switch pushed | 2.97 to 3.56 V |
| MODE switch pushed | 0.27 to 0.35 V | |||
| On hook switch pushed | 0.86 to 1.03 V | |||
| Off hook switch pushed | 1.51 to 1.79 V | |||
| Voice switch pushed | 2.22 to 2.66 V | |||
| O70-23 (SWG) - O68-7 (GND1) | BR - W-B | Steering pad switch ground | Always | Below 1 V |
| O70-25 (ADPG) - O68-7 (GND1) | P - W-B | External device connection detection signal | External device connected | Below 1 V |
| External device not connected | 2.1 to 3 V | |||
| O70-26 (VAR+) - O70-27 (VA-) | W - R | Sound signal (Right) | External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
| O70-27 (VA-) - O68-7 (GND1) | R - W-B | Ground | Always | Below 1 V |
| O70-28 (VAL+) - O70-27 (VA-) | B - R | Sound signal (Left) | External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
| O72-1 (VMTF) - O68-7 (GND1) | W - W-B | Visual mute signal | Power switch on (ACC) Screen display changes |
2 V or higher → Below 1 V → 2 V or higher |
| O72-11 (TX4+) | G | AVC-LAN communication signal | - | - |
| O72-12 (TX4-) | V | AVC-LAN communication signal | - | - |
| O68-1 (FR+) - O68-7 (GND1) | W - W-B | Sound signal (Right) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-2 (FL+) - O68-7 (GND1) | B - W-B | Sound signal (Left) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-3 (ACC1) - O68-7 (GND1) | BE - W-B | Power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V | |||
| O68-4 (+B1) - O68-7 (GND1) | V - W-B | Power source (+B) | Power switch off | 11 to 14 V |
| O68-5 (FR-) - O68-7 (GND1) | G - W-B | Sound signal (Right) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-6 (FL-) - O68-7 (GND1) | R - W-B | Sound signal (Left) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-7 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 V |
| O68-10 (ILL+) - O68-7 (GND1) | G - W-B | Illumination signal | Light control switch off | Below 1 V |
| Power switch off Light control switch in tail or head position |
11 to 14 V | |||
| O69-2 (RL+) - O68-7 (GND1) | W - W-B | Voice signal | Voice guidance sounding | A waveform synchronized with voice signals is output |
| O69-5 (ILL-) - O68-7 (GND1) | BE - W-B | Illumination signal | Light control switch off | Below 1 V |
| Light control switch in tail or head position | Pulse generation | |||
| O69-6 (RL-) - O68-7 (GND1) | B - W-B | Voice signal | Voice guidance sounding | A waveform synchronized with voice signals is output |
| O73-3 (ACC2) - O68-7 (GND1) | BE - W-B | Illumination power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V | |||
| O73-4 (+B2) - O68-7 (GND1) | G - W-B | Illumination power source (+B) | Power switch off | 11 to 14 V |
| O73-8 (GND2) - Body ground | SB - Body ground | Ground | Always | Below 1 V |
| O127-1 (USV1) | - | Power source | - | - |
| O127-2 (US1-) | - | Data signal | - | - |
| O127-3 (US1+) | - | Data signal | - | - |
| O127-4 (UGD1) | - | Ground | - | - |
| O127-5 (USG1) | - | Shield ground | - | - |
| O132-1 (GVIF) | B | Video signal (Digital) | - | - |
| RA-5 (ANT+) - O68-7 (GND1) | - - W-B | Power source of antenna | Power switch on (ACC) Radio switch on and FM or AM selected |
11 to 14 V |
*: w/ Rear View Monitor System
Reference (Oscilloscope waveform):
| *a | Waveform 1 (camera lens not covered, displaying an image) |
| *b | Synchronization Signal |
| *c | Video Waveform |
Waveform 1 (camera lens not covered, displaying an image)
| Item | Content |
|---|---|
| Measurement terminal | O71-12 (V+) - O68-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Power switch on (IG), shift lever in R |
Tech Tips
The video waveform changes according to the image sent by the television camera assembly.
| *a | Waveform 2 (camera lens covered, blacking out the screen) |
| *b | Synchronization Signal |
| *c | Video Waveform |
Waveform 2 (camera lens covered, blacking out the screen)
| Item | Content |
|---|---|
| Measurement terminal | O71-12 (V+) - O68-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Power switch on (IG), shift lever in R |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
RADIO RECEIVER ASSEMBLY (for 10 Speakers)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O71-3 (CNH1) | V | Local bus communication signal | - | - |
| O71-4 (CNL1) | P | Local bus communication signal | - | - |
| O71-11 (CA+) - O68-7 (GND1)* | B - W-B | Television camera power supply | Power switch on (ACC) | 5.5 to 7.05 V |
| O71-12 (V+) - O68-7 (GND1)* | R - W-B | Video signal | Power switch on (IG) Shift lever in R Camera lens not covered, displaying an image |
Pulse generation (Refer to waveform 1) |
| Power switch on (IG) Shift lever in R Camera lens covered, blacking out screen |
Pulse generation (Refer to waveform 2) |
|||
| O71-18 (TX2+) | B | AVC-LAN communication signal | - | - |
| O71-19 (TX2-) | W | AVC-LAN communication signal | - | - |
| O71-23 (CGND) - Body ground* | Shield - Body ground | Shield ground | Always | Below 1 V |
| O71-24 (V-) - O68-7 (GND1)* | W - W-B | Ground | Always | Below 1 V |
| O70-1 (IG) - O68-7 (GND1) | P - W-B | Power source (IG) | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| O70-4 (MACC) - O68-7 (GND1) | R - W-B | Microphone power supply | Power switch off | Below 1 V |
| Power switch on (ACC) | 4 to 6 V | |||
| O70-5 (MIN+) - O68-7 (GND1) | W - W-B | Microphone voice signal | See "Check Microphone" in Operation Check |
- |
| O70-6 (SNS2) - O68-7 (GND1) | L - W-B | Microphone connection detection signal | Always | Below 1 V |
| O70-9 (CANH) | R | CAN communication signal | - | - |
| O70-10 (CANL) | B | CAN communication signal | - | - |
| O70-11 (AGND) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| O70-12 (SG) - O68-7 (GND1) | Shield - W-B | External device connection detection signal | External device connected | Below 1 V |
| O70-13 (VV+) - O68-7 (GND1) | P - W-B | Video signal | External device playing (When stereo jack used) |
A waveform synchronized with video signals is output |
| O70-14 (VV-) - O68-7 (GND1) | L - W-B | Video signal ground | Always | Below 1 V |
| O70-15 (PKB) - O68-7 (GND1) | GR - W-B | Parking brake signal | See "Check Vehicle Signal" in Operation Check |
- |
| O70-17 (SPD) - O68-7 (GND1) | L - W-B | Vehicle speed signal | See "Check Vehicle Signal" in Operation Check |
- |
| O70-18 (SGND) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| O70-19 (MIN-) - O68-7 (GND1) | B - W-B | Microphone voice signal | See "Check Microphone" in Operation Check |
- |
| O70-21 (SW1) - O70-23 (SWG) | L - BR | Steering pad switch signal | No switch pushed | 2.97 to 3.56 V |
| Seek+ switch pushed | 0.27 to 0.35 V | |||
| Seek- switch pushed | 0.86 to 1.03 V | |||
| Volume+ switch pushed | 1.51 to 1.79 V | |||
| Volume- switch pushed | 2.22 to 2.66 V | |||
| O70-22 (SW2) - O70-23 (SWG) | P - BR | Steering pad switch signal | No switch pushed | 2.97 to 3.56 V |
| MODE switch pushed | 0.27 to 0.35 V | |||
| On hook switch pushed | 0.86 to 1.03 V | |||
| Off hook switch pushed | 1.51 to 1.79 V | |||
| Voice switch pushed | 2.22 to 2.66 V | |||
| O70-23 (SWG) - O68-7 (GND1) | BR - W-B | Steering pad switch ground | Always | Below 1 V |
| O70-25 (ADPG) - O68-7 (GND1) | P - W-B | External device connection detection signal | External device connected | Below 1 V |
| External device not connected | 2.1 to 3 V | |||
| O70-26 (VAR+) - O70-27 (VA-) | W - R | Sound signal (Right) | External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
| O70-27 (VA-) - O68-7 (GND1) | R - W-B | Ground | Always | Below 1 V |
| O70-28 (VAL+) - O70-27 (VA-) | B - R | Sound signal (Left) | External device playing (When stereo jack used) |
A waveform synchronized with sound signals is output |
| O72-1 (VMTF) - O68-7 (GND1) | W - W-B | Visual mute signal | Power switch on (ACC) Screen display changes |
2 V or higher → Below 1 V → 2 V or higher |
| O72-11 (TX4+) | G | AVC-LAN communication signal | - | - |
| O72-12 (TX4-) | V | AVC-LAN communication signal | - | - |
| O68-1 (FR+) - O68-7 (GND1) | W - W-B | Sound signal (Front Right) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-2 (FL+) - O68-7 (GND1) | B - W-B | Sound signal (Front Left) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-3 (ACC1) - O68-7 (GND1) | BE - W-B | Power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V | |||
| O68-4 (+B1) - O68-7 (GND1) | V - W-B | Power source (+B) | Power switch off | 11 to 14 V |
| O68-5 (FR-) - O68-7 (GND1) | G - W-B | Sound signal (Front Right) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-6 (FL-) - O68-7 (GND1) | R - W-B | Sound signal (Front Left) | Audio system playing | A waveform synchronized with sound signals is output |
| O68-7 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 V |
| O68-10 (ILL+) - O68-7 (GND1) | G - W-B | Illumination signal | Light control switch off | Below 1 V |
| Power switch off Light control switch in tail or head position |
11 to 14 V | |||
| O69-1 (RR+) - O68-7 (GND1) | LG - W-B | Sound signal (Rear Right) | Audio system playing | A waveform synchronized with sound signals is output |
| O69-2 (RL+) - O68-7 (GND1) | BE - W-B | Sound signal (Rear Left) | Audio system playing | A waveform synchronized with sound signals is output |
| O69-3 (RR-) - O68-7 (GND1) | W - W-B | Sound signal (Rear Right) | Audio system playing | A waveform synchronized with sound signals is output |
| O69-5 (ILL-) - O68-7 (GND1) | BE - W-B | Illumination signal | Light control switch off | Below 1 V |
| Light control switch in tail or head position | Pulse generation | |||
| O69-6 (RL-) - O68-7 (GND1) | B - W-B | Sound signal (Rear Left) | Audio system playing | A waveform synchronized with sound signals is output |
| O73-3 (ACC2) - O68-7 (GND1) | BE - W-B | Illumination power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V | |||
| O73-4 (+B2) - O68-7 (GND1) | G - W-B | Illumination power source (+B) | Power switch off | 11 to 14 V |
| O73-8 (GND2) - Body ground | SB- Body ground | Ground | Always | Below 1 V |
| O127-1 (USV1) | - | Power source | - | - |
| O127-2 (US1-) | - | Data signal | - | - |
| O127-3 (US1+) | - | Data signal | - | - |
| O127-4 (UGD1) | - | Ground | - | - |
| O127-5 (USG1) | - | Shield ground | - | - |
| O132-1 (GVIF) | B | Video signal (Digital) | - | - |
| RA-5 (ANT+) - O68-7 (GND1) | - - W-B | Power source of antenna | Power switch on (ACC) Radio switch on and FM or AM selected |
11 to 14 V |
*: w/ Rear View Monitor System
Reference (Oscilloscope waveform):
| *a | Waveform 1 (camera lens not covered, displaying an image) |
| *b | Synchronization Signal |
| *c | Video Waveform |
Waveform 1 (camera lens not covered, displaying an image)
| Item | Content |
|---|---|
| Measurement terminal | O71-12 (V+) - O68-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Power switch on (IG), shift lever in R |
Tech Tips
The video waveform changes according to the image sent by the television camera assembly.
| *a | Waveform 2 (camera lens covered, blacking out the screen) |
| *b | Synchronization Signal |
| *c | Video Waveform |
Waveform 2 (camera lens covered, blacking out the screen)
| Item | Content |
|---|---|
| Measurement terminal | O71-12 (V+) - O68-7 (GND1) |
| Measurement setting | 200 mV/DIV., 50 μsec./DIV. |
| Condition | Power switch on (IG), shift lever in R |
Tech Tips
The video waveform changes according to the image sent by the rear television camera assembly.
STEREO COMPONENT AMPLIFIER ASSEMBLY (for 10 Speakers)
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| T20-1 (+B) - T20-3 (GND) | SB - BR | Power source (+B) | Power switch off | 11 to 14 V |
| T20-3 (GND) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| T20-4 (WFL+) - T20-3 (GND) | R - BR | Sound signal (Front Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-5 (WFR+) - T20-3 (GND) | L - BR | Sound signal (Front Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-6 (WF1+) - T20-3 (GND) | GR - BR | Sound signal (Woofer) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-7 (CTR+) - T20-3 (GND) | GR - BR | Sound signal (Front Center) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-12 (FL+) - T20-3 (GND) | W - BR | Sound signal (Front Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-13 (FR+) - T20-3 (GND) | BE - BR | Sound signal (Front Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-14 (RL+) - T20-3 (GND) | BE - BR | Sound signal (Rear Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-15 (RR+) - T20-3 (GND) | LG - BR | Sound signal (Rear Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-16 (+B2) - T20-3 (GND) | BE - BR | Power source (+B) | Power switch off | 11 to 14 V |
| T20-18 (GND2) - Body ground | BR - Body ground | Ground | Always | Below 1 V |
| T20-19 (WFL-) - T20-3 (GND) | B - BR | Sound signal (Front Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-20 (WFR-) - T20-3 (GND) | B - BR | Sound signal (Front Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-21 (WF1-) - T20-3 (GND) | L - BR | Sound signal (Woofer) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-22 (CTR-) - T20-3 (GND) | V - BR | Sound signal (Front Center) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-27 (FL-) - T20-3 (GND) | P - BR | Sound signal (Front Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-28 (FR-) - T20-3 (GND) | P - BR | Sound signal (Front Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-29 (RL-) - T20-3 (GND) | P - BR | Sound signal (Rear Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T20-30 (RR-) - T20-3 (GND) | W - BR | Sound signal (Rear Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T21-1 (MUTE) - T20-3 (GND) | LG - BR | Mute signal | Power switch on (ACC) Audio system playing |
2.0 V or higher |
| Audio system changing modes | Below 1 V | |||
| T21-2 (L-) - T20-3 (GND) | R - BR | Sound signal (Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T21-3 (L+) - T20-3 (GND) | B - BR | Sound signal (Left) | Audio system playing | A waveform synchronized with sound signals is output |
| T21-4 (R-) - T20-3 (GND) | G - BR | Sound signal (Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T21-5 (R+) - T20-3 (GND) | W - BR | Sound signal (Right) | Audio system playing | A waveform synchronized with sound signals is output |
| T21-6 (SLD) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
| T21-7 (TX-) | G | AVC-LAN communication signal | - | - |
| T21-8 (TX+) | L | AVC-LAN communication signal | - | - |
| T21-11 (SPD) - T20-3 (GND) | L - BR | Vehicle speed signal | Power switch on (IG) Wheel being rotated |
Pulse generation |
| T21-12 (ACC) - T20-3 (GND) | BE - BR | Power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V | |||
| T21-14 (II1-) - T20-3 (GND) | B - BR | Voice signal | Voice guidance sounding | A waveform synchronized with voice signals is output |
| T21-15 (II1+) - T20-3 (GND) | W - BR | Voice signal | Voice guidance sounding | A waveform synchronized with voice signals is output |
| T21-18 (SLD1) - Body ground | Shield - Body ground | Shield ground | Always | Below 1 V |
MULTI-DISPLAY ASSEMBLY
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O60-2 (ILL) - O60-13 (GND1) | G - W-B | Illumination signal | Light control switch off | Below 1 V |
| Power switch off Light control switch in tail or head position |
11 to 14 V | |||
| O60-7 (TX+) | G | AVC-LAN communication signal | - | - |
| O60-11 (VMTI) - O60-13 (GND1) | W - W-B | Visual mute signal | Power switch on (ACC) Screen display changes |
2 V or higher → Below 1 V → 2 V or higher |
| O60-12 (B) - O60-13 (GND1) | V - W-B | Power source (+B) | Power switch off | 11 to 14 V |
| O60-13 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 V |
| O60-19 (TX-) | V | AVC-LAN communication signal | - | - |
| O60-24 (ACC) - O60-13 (GND1) | BE - W-B | Power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V | |||
| O133-1 (GVIF) | B | Video signal (Digital) | - | - |
REMOTE OPERATION CONTROLLER ASSEMBLY
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| O76-1 (ILL+) - O76-4 (GND) | G - W-B | Illumination signal | Light control switch off | Below 1 V |
| Power switch off Light control switch in tail or head position |
11 to 14 V | |||
| O76-4 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 V |
| O76-8 (ILL-) - O76-4 (GND) | BE - W-B | Illumination signal | Light control switch off | Below 1 V |
| Light control switch in tail or head position | Pulse generation | |||
| O76-10 (TX+) | B | AVC-LAN communication signal | - | - |
| O76-11 (TX-) | W | AVC-LAN communication signal | - | - |
| O76-14 (ACC) - O76-4 (GND) | BE - W-B | Power source (ACC) | Power switch off | Below 1 V |
| Power switch on (ACC) | 11 to 14 V |