361973 - K106 POWER ASSISTED STEERING FAILURE DISPLAY AT THE MATRIX

The Power Assisted Steering Failure message is displayed by means of a direct command between the Power Assisted Steering Control Unit and the Instrument Panel Node.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the diagnostic socket and check the following at the servotronik control unit:in errors ambient

  • that there are no faults
  • warning light line faulty
Move on to Step 1. Presence of faults1. Continue following the instructions for the diagnostic equipment
2. Warning light faultyMove on to Step
2ELECTRICAL SYSTEM CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the electrical connection (continuity/insulation to earth) between the Servotronik Control Unit and the Instrument Panel Node (Wiring Diagram ) E4010 INSTRUMENT PANEL Move on to Step Cable broken or earthedRestore the electrical connection (Wiring Diagram ) E4010 INSTRUMENT PANEL
3CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace instrument panel    See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace