Pinouts >  Genuine Mitsubishi Car audio Head Units
20 pin Mitsubishi Head Unit connector layout
20 pin Mitsubishi Head Unit connector
at the head unit
p/n 8701A718 (RV-1M 34WA55B)
The pinout should fit 2 devices/models. Click to list>

Connector (20-pin, to white), harness connector view

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)
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
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)
19 ILL- ILLUMINATION (-) Always 1 V or less
20 GND POWER GND Always 1 V or less

Connector (18-pin, to white), harness connector view

Terminal No. Signal symbol Check item Check condition Terminal voltage
21 TVR AUX/RSES INPUT RIGHT When the sound is input from audio and video adapter/rear display unit 1.2Vrms (AC)
22 TVL AUX/RSES INPUT LEFT When the sound is input from audio and video adapter/rear display unit 1.2Vrms (AC)
28 P-ON IE-BUS POWER ON Ignition switch: ACC position 1 V or less
29 IEH IE-BUS (+) Ignition switch: ACC position More than 120mV
30 TVG AUX/RSES INPUT GND Always 1 V or less
34 MUE TEL MUTE Ignition switch: ACC position 1 V or less
38 IEL IE-BUS (-) Ignition switch: ACC position More than 120mV

Connector (8-pin, to gray)

Terminal No. Signal symbol Check item Check condition Terminal voltage
41 CACC VCC  
  • Ignition switch: ON position
  • Selector lever or Shift lever : R position
 5.8 - 7.0V (DC)
42 CDET CAMERA DETECT  
  • Ignition switch: ON position
  • Selector lever or Shift lever : R position
 0 - 5V (DC)
43 REV PS-R  
  • Ignition switch: ON position
  • Selector lever or Shift lever : R position
 System voltage (DC)
45 CGND GND (RC) Always 1 V or less
46 CMP+ CAMERA SIGNAL  
  • Ignition switch: ON position
  • Selector lever or Shift lever : R position
 1Vp-p (AC)
47 CMP- SHIELD (CAMERA) Always 1 V or less

 

Connector (16-pin, to gray)

Terminal No. Signal symbol Check item Check condition Terminal voltage
54 V-ON VIDEO DETECT Always 1 V or less
55 NTSC VIDEO-IN When the image is input from audio and video adapter 1Vp-p (AC)
56 MGND SHIELD (MIC) Always 1 V or less
57 SNSE MIC DETECT Always 1 V or less
62 S-NT SHIELD (VIDEO-IN) Always 1 V or less

Connector (5-pin, to gray)

Terminal No. Signal symbol Check item Check condition Terminal voltage
73 OFSW DISP OFF RQ  
  • Ignition switch: ON position
  • Camera switch: ON
 1.4 V or less
 
  • Ignition switch: ON position
  • Camera switch: OFF
 4.5 V or more
74 CMSW Camera SW Signal
  • Ignition switch: ON position
  • Camera switch: ON
 2.0 V or less
  • Ignition switch: ON position
  • Camera switch: OFF
 4.5 V or more
75 C-ON DISP RQ  
  • Ignition switch: ON position 
  • When the camera image is displayed
 1.4 V or less
 
  • Ignition switch: ON position
  • When the camera image is not displayed
 2.5 V or more

Pins not mentioned are not connected.

18 pin Mitsubishi Head Unit connector layout
18 pin Mitsubishi Head Unit connector
at the radio
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