Auto Code Readers

Audi Fuel Injection - Auto Repair Codes

Scan Tool for Codes and Live Data for your Audi Engine from $149.95

The information below may apply to Audi S2 Coupe and many other models

Step 4
Audi EFI Code Reading
Connector Diagram
Connector Location
  • Connector are likely to be in the colours: 1-Black, 2-3-Brown, 4-Yellow
Auto Repair Manual - How to read codes (No Special Tools Needed)
1 Drive vehicle until it reaches operating temperature.
2 Stop the vehicle, place it in park or neutral and turn ignition OFF.
3 Connect an LED tester or Voltmeter to terminals 'A' & 'B'. (Click here for details) 
4 Connect a switch as shown on the diagram. (Click here for details) 
NOTE -Models 80 (1.6L or 2.0L) and 100/A6 (2.0L) with Bosch Mono-Motronic MA1.2 or MA1.3 ECM's will require LED tester or Voltmeter connected to plug 1 (Black) terminal + and pin 33 (for 35 pin plug ECM) or pin 4 (for 45 pin plug ECM) on the back of the ECM plug.
5 Switch ignition to on position.
6 Operate switch for 4 to 6 seconds.
NOTE -Only one error code can be read at a time, to read the next code activate switch again.
7 Read codes as described in the Code Format Description below.
8 Press the continue button to enter the code numbers and get the code description(s).
Code Format Diagram
Code Format Description
The first series of flashes indicates the first digit, and so on until all four digits have been flashed.
Each series consists of a number of 1- or 2-second flashes, separated by short pauses. Each integer (whole number) in the range 1 to 9 is represented by a number of 1-second flashes, and each zero is represented by 2-second flashes.
A 2.5-second pause separates each series of flashes.
The code number "0132" is indicated by a 2-second flash, a short pause, one 1-second flash, a short pause, three 1-second flashes, a short pause and two 1-second flashes. After 2.5 second pause, the code will be repeated.
To move to the next screen click on the Continue button
 Reset Service Light...  Continue > 

Note on Example Model(s): Audi S2 Coupe
The example model(s) shown, Audi S2 Coupe for this auto repair service are only an indication to help you. There may be many other models that apply to this connector. Click above link to see the complete vehicle coverage list.

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