Pinouts >  Aftermarket automotive Head units and Car Stereo  >  Pioneer pinouts
17 pin BMW Car Stereo proprietary connector layout
17 pin BMW Car Stereo proprietary connector
BMW C Business RDS

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.
Lum Light-on signal or backlight adjustment. +12V supplied to light-on pin of head unit when tail lights ar turned on.
ANT Power for Electric Antenna. Output +12 V (maximum 150 - 300mA) 

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

TEL This pin is used to silence the audio, earthed by some other external components that is connected to the radio.
GAL This pin is used in some radio equipment to automatically boost up the volume. It needs the output from the speed sensor.
DATA, CLOCK Head unit communication
There are no any reports for this pinout! You may rate this document by clicking the button below.

Is this pinout
Pioneer KE- 92 ZBM visual pinout:click to enlarge
Copyright © 2000-2021 by pinouts.ru team, except user uploaded images.
No portion of this webpage may be reproduced in any form without visible link to pinoutguide.com .
Efforts have been made to ensure this page is correct, but it is the responsibility of the user to verify the data is correct for their application.