Original Position Not Stored

Original position not stored

Checking backrest switch




- Ignition off.
Go into scrolling values and read off the status for the backrest switch.
Status should change from activation (lever raised) to non activation (lever released)





Does the status alternate between OFF/ON?

Yes - Replacing component

No - Checking for an open-circuit

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Checking for an open-circuit




- Check cables between backrest switch and control module for an open-circuit.
- Disconnect the two pin connector.
Connect an ohmmeter between the ends of the cable.





The ohmmeter should read approximately 0 ohms if there is no open-circuit in the cable.

OK - Replacing component

Not OK - Fault-tracing information

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Replacing component




Try a new backrest switch according to: Replacing switch Removal and Replacement.

Continue - Verification

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Fault-tracing information
The measurement shows that the likely cause of the diagnostic trouble code (DTC) is that there has been an open-circuit between the backrest switch and the control module.
Remedy or replace the cabling.

Continue - Verification

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Replacing component




The likely cause of the diagnostic trouble code (DTC) is an internal fault in the control module.
Try a new control module. Control module, replace Control Module

Select Continue when the fault has been remedied

Continue - Verification

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Verification




Verification

Note! After carrying out the repair, check that the fault has been remedied as follows.




- Ignition off.
- Raise the lever and read status of backrest switch in scrolling values.
Move seat to entry position and return to original position.





Does the seat return to the original position?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking backrest switch

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