Diagnostic Plug

From E30 Zone Wiki
Revision as of 22:42, 17 December 2011 by Grrrmachine (talk | contribs) (New page: The Diagnostic Plug is a multipin socket in your engine bay, allowing you to perform some basic engine functions. right|140px...)
(diff) ←Older revision | view current revision (diff) | Newer revision→ (diff)
Jump to: navigation, search

The Diagnostic Plug is a multipin socket in your engine bay, allowing you to perform some basic engine functions.

BMW 20 Pin Diagnostic Port.JPG

Overview

Pinouts

Large Style "Pacman" Diagnostic plug
Pin Wire Gauge Colour Function Image
1 1 BK Ignition Coil, Motronic Control Unit 41970517.jpg
6 0.5 WT/BK SRS Connector (Not Used)
7 0.5 WT/GN Service Interval Indicator, Service Interval Processor (Reset)
11 2.5 BK/YL Starter, Start Signal (50)
12 0.75 BU Charge, Alternator (D+)
14 2.5 RD Battery
15 0.5 WT/YL Motronic Control Unit (RXD)
16 1.5 GN/WT Oxygen Sensor
18 0.5 GN/BU Motronic Control Unit (Programming Voltage)
19 1.5 BR Ground Distribution (G103)
20 0.5 WT/VI Motronic Control Unit (TXD)