ECM Coding - Fuel and Ignition System
Group: 24Number: 95-04
Date: February 23, 1995
Subject:
MMS-311 Fuel and Ignition System, ECM Coding
Model(s):
90, Cabriolet with V-6 - m.y. 1995
Supersedes T.B. 24-95-02 dated Feb, 8, 1995
Condition:
With the introduction of the latest Motor Management System MMS-311, coding the Electronic Control Module (ECM) has changed.
Service:
To identify the MMS-311 system and code the Control Module, use the following sequence:
1. Connect 1551 Scan Tool.
2. Verify vehicle is equipped with MMS-311 using 1551 printout of ECM part number (8A0 906 266E) or check engine block for engine code AFC.
3. To code Control Module select address word 01, Function 07.
4. Enter correct 5 digit code from attached listing, then press Q button to confirm code entry.
5. Press the -> button, select Function 02 Interrogate DTC Memory". Press the button, select Function 05 "Erase DTC Memory".
6. Press the -> button, then select Function 06 end output".
7. Road Test vehicle to assure driveability is OK and the warning light does not come on.
8. Recheck system to assure no Diagnostic Trouble Codes are stored.
Note
Please revise (by adding circled information from above image) page 01-90 of the Repair Manual: Audi 90 From 1995, On Board Diagnostic, Fuel injection and Ignition Part Number: W42 552 193 112.