MAIN UNIT TERMINAL VOLTAGE




Connector (20-pin)


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+
 -
 -
4
-
 -
 -
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)
19
 ILL-
 ILLUMINATION (-)
 Always
 1 V or less
20
 GND
 POWER GND
 Always
 1 V or less

Connector (18-pin)


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)
23 - 27
-
 -
 -
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
31 - 33
-
 -
 -
34
 MUTE
 TEL MUTE
 Ignition switch: ACC position
 1 V or less
35 - 37
-
 -
 -
38
 IEL
 IE-BUS (-)
 Ignition switch: ACC position
 More than 120mV

Connector (8-pin)


Terminal No.
 Signal symbol
 Check item
 Check condition
 Terminal voltage
41
 CACC
 VCC
  • Ignition switch: ON position
  • Selector lever <A/T> or Shift lever <M/T>: R position

 5.8 - 7.0V (DC)
42
 CDET
 CAMERA DETECT
  • Ignition switch: ON position
  • Selector lever <A/T> or Shift lever <M/T>: R position

 0 - 5V (DC)
43
 REV
 PS-R
  • Ignition switch: ON position
  • Selector lever <A/T> or Shift lever <M/T>: R position

 System voltage (DC)
44
 -
 -
 -
 -
45
 CGND
 GND (RC)
 Always
 1 V or less
46
 CMP+
 CAMERA SIGNAL
  • Ignition switch: ON position
  • Selector lever <A/T> or Shift lever <M/T>: R position

 1Vp-p (AC)
47
 CMP-
 SHIELD (CAMERA)
 Always
 1 V or less
48
 -
 -
 -
 -

Connector (16pin)


Terminal No.
 Signal symbol
 Check item
 Check condition
 Terminal voltage
51 - 53
 -
 -
 -
 -
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
58 - 61
 -
 -
 -
 -
62
 S-NT
 SHIELD (VIDEO-IN)
 Always
 1 V or less
63
 MIC-
 MIC GND
 Always
 1 V or less
64
 MIC+
 MIC SIGNAL
 Ignition switch: ACC position
 1 V or less
65, 66
 -
 -
 -
 -