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 change?

Yes - Replacing the component

No - Checking for an open-circuit

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Checking for an open-circuit




- Check wiring between the backrest switch and control module for an open-circuit.
- Disconnect the 2-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 the component

Not OK - Fault-tracing information

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Replacing the component




Try a new backrest switch according to: Micro-switches Micro-Switches.

Continue - Verification

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Fault-tracing information
The readings show that the diagnostic trouble code (DTC) has probably been caused by an open-circuit between the backrest switch and the control module.
Remedy or replace the cabling.

Continue - Verification

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Replacing the component




The diagnostic trouble code (DTC) has probably been caused by an internal fault in the control module.
Try a new control module. Control module 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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