| Terminal No. | Signal symbol | Check item | Check condition | Terminal voltage |
| 1 | ACC | ACCESSORY (+) | Ignition switch: ACC position | System voltage (DC) |
| 2 | REM+ | REMOCON | Ignition switch: ACC position | 3.3V (DC) |
| 3 | CANH | AUDIO:CAN+ | - | - |
| 4 | - | - | - | - |
| 5 | RR+ | SPEAKER RR (+) | When the sound is output | 0 - System voltage (AC) |
| 6 | DFR+ | SPEAKER FR (+) | When the sound is output | 0 - System voltage (AC) |
| 7 | RL+ | SPEAKER RL (+) | When the sound is output | 0 - System voltage (AC) |
| 8 | DFL+ | SPEAKER FL (+) | When the sound is output | 0 - System voltage (AC) |
| 9 | ILL+ | ILLUMINATION (+) | Tail lamp switch: ON | System voltage (DC) |
| 10 | +B2 | BATTERY (+) | Always | System voltage (DC) |
| 11 | REED | VEHICLE SPEED PULSE | Ignition switch: ON | 0 - System voltage (pulse) |
| 12 | REM- | REMOCON GND | Always | 1 V or less |
| 13 | CANL | AUDIO:CAN (-) | - | - |
| 14 | ANT+ | ANTENNA +B | Ignition switch: ACC position | System voltage (DC) |
| 15 | RR- | SPEAKER RR (-) | When the sound is output | 0 - System voltage (AC) |
| 16 | DFR- | SPEAKER FR (-) | When the sound is output | 0 - System voltage (AC) |
| 17 | RL- | SPEAKER RL (-) | When the sound is output | 0 - System voltage (AC) |
| 18 | DFL- | SPEAKER FL (-) | When the sound is output | 0 - System voltage (AC) |
| 19 | ILL- | ILLUMINATION (-) | Always | 1 V or less |
| 20 | GND2 | POWER GND | Always | 1 V or less |
| Terminal No. | Signal symbol | Check item | Check condition | Terminal voltage |
| 21 - 25 | - | - | - | - |
| 26 | TIR+ | IE-BUS INPUT RIGHT (+) | - | - |
| 27 | TIL+ | IE-BUS INPUT LEFT (+) | - | - |
| 28 | AMPO | IE-BUS POWER ON | Ignition switch: ACC position | 1 V or less |
| 29 | D-S+ | IE-BUS (+) | Ignition switch: ACC position | More than 120mV |
| 30 - 34 | - | - | - | - |
| 35 | TIR- | IE-BUS INPUT RIGHT (-) | - | - |
| 36 | TIL- | IE-BUS INPUT LEFT (-) | - | - |
| 37 | - | - | - | - |
| 38 | D-S- | IE-BUS (-) | Ignition switch: ACC position | More than 120mV |
| Terminal No. | Signal symbol | Check item | Check condition | Terminal voltage |
| 41 | CACC | VCC (RC6.5V) |
| 5.8 - 7.0V (DC) |
| 42 - 44 | - | - | - | - |
| 45 | CGND | GND (RC) | Always | 1 V or less |
| 46 | CMP+ | CAMERA SIGNAL |
| 1 Vp-p (AC) |
| 47 | CMP- | SHIELD (CAMERA) | Always | 1 V or less |
| 48 | GND | GND (RC) | Always | 1 V or less |
| Terminal No. | Signal symbol | Check item | Check condition | Terminal voltage |
| 51 - 55 | - | - | - | - |
| 56 | MGND | SHIELD (MIC) | Always | 1 V or less |
| 57 | SNSE | MIC DETECT | Always | 1 V or less |
| 58 - 62 | - | - | - | - |
| 63 | MIC- | MIC GND | Always | 1 V or less |
| 64 | MIC+ | MIC SIGNAL | Ignition switch: ACC position | 1 V or less |
| 65, 66 | - | - | - | - |