Replacing Control Unit For Electric Steering Column Lock (ELV)

NOTIFICATION 

Voltage drop 

• Risk of irreparable damage to control unit 
• Risk of damage to control unit 
• Fault entries in the control unit 
• Programming/coding in the control unit is aborted 
• Malfunctions in control unit, even during programming/coding 

  → Switch off ignition before disconnecting the control unit.

  → Make sure that the power supply is not interrupted during programming/coding.

  → Connect a battery charger with a current rating of at least > Current 90 A  to the vehicle battery.

Information 

• All remote controls (keys) are required for teaching a DME, rear-end electronics (rear BCM), electronic steering lock (ELV) control unit for example, or for teaching remote controls (keys). 
• Remote controls (keys) that are not taught during this teaching procedure will no longer be recognised by the vehicle. 

Information 

• The PIWIS Tester instructions take precedence since the description may be different with later Tester releases. 
• The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS Tester. 

1. Connect the Tester to the vehicle and start it. Switch on ignition.
2. Select the vehicle type if required.
3. Select the Steering column lock  control unit in the overview  . Press F12 to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press F11 to continue.
4. Coding/programming  must be selected.
5. Automatic coding  must now be selected. Press F12 to continue.
6. The message "Coding was completed successfully" appears. Press F12 to continue.
7. Go back to the overview. Press F11 to continue.
8. In the overview  , press F7 to switch to the Additional menu  .
9. Engine immobiliser start-up  must be selected. Press F12 to continue.
10. Enter the PPN user name and password  . Press F12 to continue.
11. The Tester displays the message: Login successful  . Press F12 to continue.
12. Check the chassis number. Enter the order number. Press F12 to continue.
13. Follow the instructions on the Tester. Press F12 to continue.
14. The Tester displays the message: Engine immobiliser start-up successful  . Press F12 to continue.
15. Read out the fault memory  and delete any fault entries.
16. Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.
17. Lock, open and start the vehicle using all remote controls.