Checking Drive Status, Backrest
Checking drive status, backrest
Conditions
This fault-tracing procedure assumes that there are no faults detected in the control panel.
Has fault-tracing been carried out on the control panel?
Yes - Check activation
No - Fault-tracing information
Carry out fault-tracing on the control panel in accordance with the Symptom Table.
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Fault-tracing information
Continue with fault-tracing for the control panel.
Press "Continue".
Continue - ANOTHER TEST
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Check activation
- Ignition OFF.
Operate the backrest forward/backward using the control button.
Does the backrest move forward and backward?
Yes - No Fault Found
No - Checking the control module
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Checking the control module
- Ignition OFF.
- Remove seat from car according to Replacing seat assembly Replacing Seat Assembly.
- Connect adapter cables to the seat in accordance with.
Connect a voltmeter between ground and the gray 14-pin connector, position B:1 for moving the backrest forward and B:2 for moving the backrest backwards.
Operate the backrest forward/backward using the control button.
The voltmeter should indicate battery voltage when the respective buttons are pressed.
OK - Checking motor
Not OK - Replace component
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Replace component
Try a new control module according to Control module, replace Control Module.
Press "Continue" when the fault has been remedied.
Continue - Verification
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Checking motor
- Ignition OFF.
- Cabling in accordance with connected.
- Disconnect drive cable from motor 2 in accordance with Cable in backrest, replacement Cable In Backrest, Replacement.
Run motor 2 using the control button for the backrest.
Is the motor working?
Yes - Checking drive cable operation
No - Replace component
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Replace component
Try a new motor according to Motor and potentiometer in backrest, replace Removal and Replacement.
Press "Continue" when the fault has been remedied.
Continue - Verification
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Checking drive cable operation
- Ignition OFF.
- Cabling in accordance with connected.
- Disconnect drive cable from drive gear according to Cable in backrest, replacement Cable In Backrest, Replacement.
- Reinstall drive cable on motor.
Run motor 2 using the control button for the backrest.
Check the drive cable.
The drive cable should turn.
OK - Checking drive cable length
Not OK - Replace component
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Replace component
Try a new drive cable according to Cable in backrest, replacement Cable In Backrest, Replacement.
Press "Continue" when the fault has been remedied.
Continue - Verification
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Checking drive cable length
Measure distance between sheath sleeve and cable end.
The wire should stick out at least 10 mm (0.4").
OK - Check drive gear
Not OK - Replace component
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Check drive gear
- Open the drive gear by undoing the four screws on the drive gear housing.
Check the worm gear and drive.
Are they OK?
Yes - No Fault Found
No - Replace component
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Replace component
Try a new drive gear according to Drive shaft under seat, replacement .
Press "Continue" when the fault has been remedied.
Continue - Verification
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Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied as follows:
- Ignition OFF.
- Reinstall components, connectors etc.
Operate backrest forward/backward using the control button.
Does the backrest operate in both directions?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFICATION FAILED - Fault-tracing information
VERIFIED - FAULT FOUND
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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 - Check activation
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