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16 pin unspecified connector layout
16 pin unspecified connector

Head unit pinout abbreviations

Pin
Notation
Pin function

Power pins

Bup Battery+  (12V direct from Battery). 
GND, GROUND Chassis Ground
ACC Ignition powered. +12 V with the ignition key is in the ACC or ON position.
ILM Light-on signal or backlight adjustment. +12V supplied to light-on pin of head unit when tail lights ar turned on. May be used for backlight adjustment in some models.

Audio pins

FR+ or RF+ Front right speaker out
FL+ or LF+ Front left speaker out
RR+ Rear right speaker out
LR+ or  RL+ Rear left speaker out
FR- or RF-, FL- or LF-, RR-, LR- or RL-, SGND The corresponding speaker ground

Misc. pins

MUTE This pin is used to silence the audio, earthed by some other external components that is connected to the radio.

 

According to 1 reports in our database (1 positive and 0 negative) the Pioneer AVH-P3100DVD pinout should be correct.

Is this pinout
Pioneer AVH-P3100DVD visual pinout:click to enlarge
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