Manual ZCS Coding Procedure
Always have a battery charger connected when using diagnosis or coding equipment. Voltage should be stable at 12.5 V.
- With the new control module installed, connect the DIS/MoDiC and turn on the ignition switch.
- Select Coding and Programming from the DIS/MoDiC start screen or "Change" drop down menu.
- Select "3 ZCS CODING" and press the continue arrow (right arrow button).
- The Version ID page is displayed. Verify that the latest coding software is being used. Press the continue arrow.
- Note the warning about Car/Key Memory and select the appropriate series.
- The next screen provides five options
Select recoding.
- The next screen lists the connected ZCS codable control modules installed in the vehicle.
Select IKE/KOMBI or EWS which are the only ones that require manual entry.
- The next screen then responds by asking if the selection is correct. Press the "Yes" button and continue.
- The next screen displays the last 7 digits of the chassis number in the cluster. Since this is a new replacement control module it is displaying the basic information (FFFFFFF) which does not have a specific VIN assigned to it yet.
Enter the last 7 digits of the vehicle identification number using the keypad. When finished double check the display and confirm the input by pressing "Yes".
- With the last 7 digits of the VIN entered, the present ZCS code is displayed on the screen. All positions of the ZCS are "F" which indicates the control module is still in the basic state.
The display requests a YES or NO response to change the displayed ZCS. Press the YES button to continue.
- The GM segment is displayed (FFFFFFFFF). Press the "No" button to refuse display.
- The next screen displays an expanded keypad for complete entry of the GM segment. This is read from the label of the vehicle.
Carefully enter the complete GM segment, double check all digits as displayed and press the "Yes" button when complete.
- The next two screens are for entry of the SA and VN segments.
Enter these numbers in the same manner they were entered for the GM segment.
Double check all digits and Press the "YES" button and continue.
- The next screen indicates that the ZCS has been entered into the DIS/MoDiC and automatic coding is ready to start.
Press the "Yes" button and then continue.
- The screen indicates that Automatic Coding is Active.
- The next screen displays the encoded ZCS.
As noted on the screen the ZCS has changed from the basic uncoded state. Changes to the original ZCS code occur because either the coding software or hardware version of the control module is different.
- The next screen displays "coding key stored for printout. If necessary write out a new ZCS label and affix it into the vehicle specific location.
Coding is completed, Switch off the ignition and wait for 10 seconds. Switch on ignition and check for proper system operation.