Checking the Read Button on the Indicator Switch

Checking the read button on the indicator switch

Checking the components
Activate read button on indicator switch and read status.

Hint: If read-out of status on read button gave a correct result the fault is not in the SWM.





Did read-out of status on read button give a correct result?

Yes - No Fault Found

No - Replacing the component

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Replacing the component
Replace the indicator switch.

Additional information:
- To replace indicator switch see Turn signal switch, replacing Turn Signal Switch, Replacing.

Press Continue when fault has been repaired.

Continue - Checking the components

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Checking the components
Activate read button on indicator switch and read status.

Hint: If read-out of status on read button gave a correct result the fault was in the indicator switch.





Did read-out of status on read button give a correct result?

Yes - Fault Found

No - Replacing the component

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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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