Motronic M 1.5.4 System Modification F7: PROGRAMMING
INIT. CODING
Note:
If a new control unit is installed in a vehicle, or a control unit from one vehicle is installed in another vehicle, the control unit must be reprogrammed (TECH 1 function F0: RESET). For this, pay close attention to the following notes, as otherwise the idle speed setting of the engine may be modified to beyond the permitted limits.
In addition, when a control unit is transferred from one vehicle to another, CO adjustment must be carried out (see section 3.1.5.4 CO Adjustment) (20 SE only).
In the future, it will be possible to select other characteristic curves in the control unit for firing angle, fuel injection, idle speed and CO adjustment by selecting a certain code during programming (F1: CHANGE), and thus improve the performance characteristics of the vehicle. This is done in a similar fashion as previously with different coloured octane number plugs.
More detailed information on this will be published in the relevant "Technical Information Bulletins TI".
Before the publication of the above mentioned "Technical Information Bulletins TI", this function should not be used.
If, however, a workshop should experiment with these functions without the requisite information, please note that this will lead to changes in the idle speed adjustment.
| Conditions for Checking | Nominal Value |
Affected Terminals: -
Possible Trouble Codes: -
Ignition ON
Engine OFF
Press key F7 in the system main menu, use the arrow keys to select the desired test and confirm with YES.
Follow the instructions in the TECH 1 display.
When asked whether the correct control unit is installed, proceed according to the following instructions
and / or the latest "Technical Information Bulletins":
At present, the OMEGA - B with the X 20 SE or 20 SE engine is equipped with the following control unit:
Opel Part No.: 90457096
| Alpha Code PQ | EXISTING ECU PART - NO / AC |
XXXXXXX / XX
| OKAY? |
If the question is answered with "YES", the following sub - menu appears in TECH 1:
INIT. - CODING
F0: RESET
F1: CHANGE
Selection of the menu item F0: RESET programs the control unit with the basic application.
Note that, among other adjustments, this resets the idle speed adjustment to its basic value.
Therefore, if the F0: RESET function is used for an already programmed control unit or adjusted engine, then call up the following TECH 1 function and make / check the relevant adjustment:
TECH 1 function section 3.1.5.1 Idle Speed
| INIT. - CODING |
F0: RESET
By selecting menu item F1: CHANGE, it is possible to select other characteristic curves in the control unit for
firing angle, fuel injection, idle speed and CO adjustment by selecting a certain code during programming, and
thus improve the performance characteristics of the vehicle. This is done in a similar fashion as previously with different coloured octane number plugs.
| INIT. - CODING | |
|---|---|
| F1: CHANGE |
More detailed information on this will be published in the relevant "Technical Information Bulletins TI".
Before the publication of the above mentioned "Technical Information Bulletins TI", this function should not be used.
If, however, a workshop should experiment with these functions without the requisite information, please note that this will lead to changes in the idle speed adjustment. Therefore, then call up the following TECH 1 functions and make / check the relevant adjustments:
TECH 1 function section 3.1.5.1 Idle Speed
TECH 1 function section 3.1.5.4 CO Adjustment
| If the display on the right appears after programming is completed, programming was successful. | PROGRAMMING ECU INIT. - CODING SUCCESSFUL! |
If the display on the right appears after programming is completed, a fault has occurred during programming.
Carry out the following measures consecutively:
Read trouble code; no trouble codes should be stored;
Repeat programming;
Carry out TECH 1 self - test;
Check TECH 1 cable for damaged insulation and shielding;
| Repeat programming with new MOTRONIC control unit | PROGRAMMING ECU INIT. - CODING FAILED! |