New Motor Management Systems - ECM Coding Changed
Group: 24Number: 95-01
Date: Feb. 8, 1995
Model(s): A6, with V-6
Subject:
MMS-311 Fuel and Ignition System, ECM Coding
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:
^ Connect 1551 Scan Tool.
^ 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.
^ To code Control Module select address word 01, Function 07.
^ Enter correct 5 digit code from listing, then press the Q button to confirm code entry.
^ Press the right arrow button, select Function 02 "Interrogate DTC Memory". Press the right arrow button, select Function 05 "Erase DTC Memory".
^ Press the right arrow button, then select Function 06 "end output".
^ Road Test vehicle to assure driveability is OK and the warning light does not come on.
^ Recheck system to assure no Diagnostic Trouble Codes are stored.
Note:
Please revise (by adding circled information from page 2) or replace page 01-100 of the Repair Manual:
Audi A6 From 1995, On Board Diagnostic, Fuel injection and Ignition
Part Number: W42 544 193 112.