AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual A4 1995 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1028/w960_1028-0.png AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual
Trending: sensor, battery, spark plugs replace, torque

Page 1 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual 28-7
 
  
Ignition system, servicing 
1 - 
Engine Control Module (ECM) -J192- 
2 - 
ECM signal wires 
4-pin, light-brown
3 - 
Power output stage -N122- For ignition coils
4 - 
Ignition coil primary co

Page 2 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual 28-8
 
  
11 - 
Knock Sensor (KS) 1 -G61- 
12 - 
Spark plug connector 
13 - 
Harness connector 
3-pin, grayFor engine speed (RPM) sensor -G28-
14 - 
Harness connector 3-pin, blackFor Crankshaft Positi

Page 3 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual 28-9
 
  
17 - 
To fuse for ignition coils 
18 - 
ECM connector E 
12-pin, black
19 - 
ECM connector A 24-pin, black
20 - 
ECM connector B 24-pin, red
21 - 
ECM connector C 24-pin, brown
22 - 
ECM con

Page 4 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual 28-10
 Technical data
 
Engine code  
AFC  
Idle RPM1)  
 
NOT adjustable; regulated by Idle Speed 
Control (ISC) 650 to 750 RPM  
Engine speed limiting (upper limit)  
 By switching off fuel injector

Page 5 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual 28-11
      
Safety measures
 
     
WARNING! 
     
Be alert when working on or near the engine. 
High ignition secondary voltage can cause 
serious personal injury and damage vehicle 
components.

Page 6 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual      
BEFORE cranking the engine at starting RPM 
(such as for compression testing) disable the 
ignition and fuel injection systems: 
     
Disconnect the ignition coil power output 
stage. 
     Dis

Page 7 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual 28-12
      
CAUTION! 
     
BEFORE disconnecting the battery: 
     
Stop the engine.
     Be sure the ignition is switched OFF (also 
applies when connecting the battery). Failure 
to do so may dama

Page 8 of 8

AUDI A4 1995 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual connector test kit. 
     
For any work affecting the Engine Control 
Module (ECM): 
     BEFORE disconnecting the ECM harness 
connector, switch the ignition OFF and WAIT 
at least 20 seconds. Failur
Trending: spark plugs replace, sensor, battery, torque