Alfa Romeo 164 Motronic Self-Diagnosis

Short Description
SELF-DIAGNOSIS - GENERAL INFORMATION
The diagnosis procedure is divided in two groups:
A = Display of errors stored by the control unit.
B = Monitoring of some engine actuators and devices.
The button provided on the steering column performs three separate functions, depending on duration of pressure on the button; these functions are as follows:
T1 = Pressure duration between 2.5 and 5 seconds.
T2- Pressure duration between 5 and l0 seconds.
T3. Pressure duration over l0 seconds.

Website: www.alfabb.com | Filesize: 93kb
No of Page(s): 5

Content
…
Procedure A
Press pushbutton for duration Tl after the ignition key has been turned to “run” position: the CHECK ENGINE warning lamp performs a long flashing (about 2.5 seconds).
Following this flashing, series of short flashings is performed (about 0.5 seconds); record the number of flashings since this is the first digit of the error code (consisting of four digits) which will allow identification of the malfunction. Each series of short flashings is separated by a long flashing.
By pressing again the pushbutton for a period Tl will display the second digit of the error code, and so on until all the five defects that can be stored in the control unit memory are displayed. If the pushbutton is not pressed, the systemwill repeat the last sequence of flashings, thus allowing to check the recorded code. When all malfunctions have been displayed, the warning lamp performs a series of long flashings.
…

Get the file Download here