Programming Control Unit For Distance Measuring Sensor

NOTIFICATION 

Voltage drop 

• Risk of irreparable damage to control unit 
• Risk of damage to control unit 
• Fault entries in the control unit 
• Coding in the control unit is aborted 
• Malfunctions in control unit, even during programming 
  • → Prior to disconnecting the control unit, switch off ignition and remove ignition key.
  • → Ensure that the power supply is not interrupted during programming.
  • → Connect a battery charger with a current rating of at least 90 A to the vehicle battery.

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. > 9900 - PIWIS Tester 3  must be connected to the vehicle before starting it. Switch on ignition.
2. Select the required vehicle type.
3. Select the ACC  control unit in the overview  .
4. Select the Maintenance/repairs  tab. Press F12 to continue.
5. Create a Fault Analysis Protocol (FAP) if necessary. Press F11 or F12 to continue.
6. Select Control unit replacement  . Press F12 to continue.
7. Select Write data  mode. Press F12 to continue.
8. Press F8 to start writing basic information (vehicle identification number only).
9. Wait until the confirmation message Coding has been written successfully  . appears. Press F12 to continue.