Checking SWM Control Unit

Checking SWM control unit

Trouble-shooting information
Before continuing with trouble-shooting it is important to take note of the following:
- All tests for the current system should have been done.
- No faults should be found in the components, connectors or wires etc.

Have all the tests been done without finding any faults?

Yes - Replacing the component

No - No Fault Found

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Replacing the component
Test by replacing the control unit.

Caution! A new control unit is supplied without software. The new control unit must be programmed before it will work.

Additional information:
- To replace and program the control unit, see Steering wheel module (SWM), replacing Service and Repair.





Is there a fault?

Yes - Fault Found

No - No Fault Found

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