939003729 - O031 SEAT BELTS LOCKED

When the belt is fastened and with the vehicle parked, the belt locks easily and/or remains locked even when movements are not abrupt (e.g. picking up an object)
1CHECK REELALL OKPROBLEMS ENCOUNTEREDACTION
Check the reel is correctly fitted, ensuring that the reference pin is correctly positioned in its seat on the vehicle body.Move on to Step 2Incorrect installationLoosen the bolt and position the reference dowel correctly. Retighten the bolt to the recommended torque.
2CHECK FOR FOREIGN BODIESALL OKPROBLEMS ENCOUNTEREDACTION
Check there are no foreign bodies inside the system.Move on to Step 3Foreign bodies present.Remove the foreign bodies.
3CHECK BELTSALL OKPROBLEMS ENCOUNTEREDACTION
Check for interference, deformation or dings caused by accidents.Move on to Step 4Interference present that makes the belts slide more slowlyRemove the interference and replace the damaged parts if necessary.
Presence of deformation or dings on the front anchorage linkReplace the front linkOp. 7065A14
Presence of deformation or dings on the rear anchorage linkReplace the rear link    Op. 7065B14 ANCHORAGE ROD FOR (ONE) REAR SEAT BELT LEFT OR RIGHT - R.R.
Presence of deformations or dings on the front reel/pretensionerReplace the front belt    Op. 7065A10 FRONT SEAT BELT (ONE) LEFT OR RIGHT - R.R.
Presence of deformations or dings on the rear reelReplace the rear seat belt    Op. 7065B10 REAR SEAT BELT (ONE), LEFT OR RIGHT - R.R.
4CHECK PRETENSIONER OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that pretensioner has not be activated by an accident. In this case, the presence of white powder will be noticed on the spring case, the reel will be locked and/or the belt deteriorated.Move on to Step 5Pretensioner found to have activated.Replace the belt    Op. 7065A10 FRONT SEAT BELT (ONE) LEFT OR RIGHT - R.R.
5CHECK REEL RELEASE SYSTEMALL OKPROBLEMS ENCOUNTEREDACTION
Check reel release by rewinding the belt for a short section and then gently unwinding.Move on to Step 6Fault in the front reel release systemReplace the front belt    Op. 7065A10 FRONT SEAT BELT (ONE) LEFT OR RIGHT - R.R.
Fault in the rear reel release systemReplace the rear seat belt    Op. 7065B10 REAR SEAT BELT (ONE), LEFT OR RIGHT - R.R.
6CHECK CORRECT COMPONENT INSTALLATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check right/left component correspondence in relation to the side of the vehicle.End of diagnosisIncorrect installationRestore correct installation and replace the parts if necessary