Pinouts >  Genuine Mitsubishi Car audio Head Units
20 pin Mitsubishi Head Unit connector layout
20 pin Mitsubishi Head Unit connector
p/n 8701A668, 8701A692, 8701A750, 8701A821

20-pin connector (white receptacle)

20 pin Mitsubishi Head Unit with numbering

Terminal No. Signal symbol Check item Check condition Terminal voltage
1 ACC ACCESSORY (+) Ignition switch: ACC position System voltage (DC)
2 SW1 REMOCON Ignition switch: ACC position 3.3V (DC)
3 CAN+ Audio: CAN+ - -
5 RR+ SPEAKER RR (+) When the sound is output 0 - System voltage (AC)
6 FR+ 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 FL+ SPEAKER FL (+) When the sound is output 0 - System voltage (AC)
9 ILL+ ILLUMINATION (+) Tail lamp switch: ON System voltage (DC)
10 +B BATTERY (+) Always System voltage (DC)
11 SPD VEHICLE SPEED PULSE Ignition switch: ON 0 - System voltage (pulse)
12 SWG REMOCON GND Always 1 V or less
13 CAN- 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 FR- 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 FL- SPEAKER FL (-) When the sound is output 0 - System voltage (AC)
20 GND POWER GND Always 1 V or less

 

18-pin connector (white receptacle)

18 pin Mitsubishi Head Unit with numbering

Terminal No. Signal symbol Check item Check condition Terminal voltage
3 AAR+ HFM/USB S-INPUT RIGHT When the hands free-ECU operation 1.2 Vrms (AC)
4 AAL+ HFM/USB S-INPUT LEFT When the hands free-ECU operation 1.2 Vrms (AC)
6 TIR+ IE-BUS INPUT RIGHT (+) - -
7 TIL+ IE-BUS INPUT LEFT (+) - -
8 AMPO IE-BUS POWER ON Ignition switch: ACC position 1 V or less
9 D-S+ IE-BUS (+) Ignition switch: ACC position More than 120 mV
12 AA- HFM/USB INPUT GND When the hands free-ECU operation 1.2 Vrms (AC)
15 TIR- IE-BUS INPUT RIGHT (-) - -
16 TIL- IE-BUS INPUT LEFT (-) - -
18 D-S- IE-BUS (-) Ignition switch: ACC position More than 120 mV

 

8-pin connector (gray receptacle, Vehicles with display audio)

8 pin Mitsubishi Head Unit Camera with numbering

Terminal No. Signal symbol Check item Check condition Terminal voltage
1 +6.5V   May be not connected 6.5V
4 BATTERY (+) Always System voltage (DC)
5 GND   May be not connected 0V
6 CMP+ CAMERA SIGNAL
  • Ignition switch: ON position
  • Selector lever or Shift lever : R position
1 Vp-p (AC)
7 CMP- SHIELD (CAMERA) Always 1 V or less
8 GND Always 1 V or less
 

 

18 pin Mitsubishi Head Unit connector layout
18 pin Mitsubishi Head Unit connector
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Mitsubishi (2017+) two-knob MMCS Head Unit visual pinout:click to enlarge
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