80 L5-2309cc 2.3L SOHC (NG) (1991)
/Page-357001.png)
Control Module: All Technical Service Bulletins
A/T - Establishing Basic Setting
Group:
D3
Number:
91-02
Date:
May 31, 1991
Subject:
Transmission, Establishing Basic Setting
Model(s): 80/90/100 with 097 4-Speed Automatic Transmission 1991 M.Y.
Shift quality complaints can often be corrected by resetting the transmission control unit to its basic setting using the VAG 1551.
The basic setting procedure must be done when checking the on-board diagnosis system during or after the following:
^
Pre-delivery inspection
^
diagnosing customer complaints
^
whenever the battery has been disconnected
^
throttle replacement or throttle cable adjustment
^
transmission control unit replacement
Automatic transmission 097 control unit, returning to basic setting
^
road test vehicle to verify customer complaint, if applicable
^
connect VAG 1551 to terminals in driver's footwell black plug to black terminal in vehicle white plug to yellow terminal in vehicle
^
read display
^
switch ignition ON and activate rapid data transfer 01
^
read display
^
access address code 02 (transmission electronics)
^
read display
