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Insert the special tool ornament remover (MB990784) as shown in the illustration to remove the cover.
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Disconnect the clock spring connector while compressing its locking button and sliding it to the direction of an arrow.
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1.Remove the bag module mounting screws (Torx screws) at the sides of the steering wheel.
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Do not remove the screws from the holders.
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1.Position the steering wheel in the straight-ahead position.
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2.Use special tool steering wheel puller (MB990803) to remove the steering wheel.
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1.
| warning |
Dispose of air bag modules only according to the specified procedure (Refer to  ).
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When installing the new air bag modules and clock spring, refer to “INSPECTION” ().
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2.Connect the negative battery cable.
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3.
| caution |
To prevent damage to M.U.T.-III, always turn the ignition switch to the “LOCK” (OFF) position before connecting or disconnecting M.U.T.-III.
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Connect M.U.T.-III to the diagnosis connector.
4.Turn the ignition switch to the “ON” position.
5.Check diagnosis codes using M.U.T.-III to ensure that the SRS operates properly.
At this time, check that no diagnosis code except B1400 and B1410 are set.
6.
| danger |
Wait at least 60 seconds after disconnecting the battery cable before doing any further work (Refer to ).
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Turn the ignition switch to the "LOCK" (OFF) position. Disconnect the negative battery cable and tape the terminal to prevent accidental connection and air bags deployment.
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1.
| warning |
Ensure that the clock spring’s mating marks are properly aligned. If not, the steering wheel may not rotate completely during a turn, or the flat cable in the clock spring could be damaged, This would prevent normal SRS operation and possibly cause serious injury to the driver.
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Align the mating marks of the clock spring.
<Mating Mark Alignment>
Turn the clock spring clockwise fully. Then turn it back approximately 3 3/4 turns anticlockwise to align the mating marks.
2.Turn the front wheels to the straight-ahead position. Then install the clock spring to the column switch.
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1.
| caution |
When installing the steering wheel, and air bag module ensure that the harness of the clock spring does not become caught or tangled.
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Before installing the steering wheel, and air bag module turn the vehicle’s front wheels to the straight-ahead position and align the mating marks of the clock spring.
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2.After securing the steering wheel, turn the steering wheel all the way in both directions to confirm that the steering wheel rotation is normal.
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1.Connect the negative battery cable.
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2.Turn the ignition switch to “ON” position.
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3.Does the "SRS" warning lamp illuminate for approximately seven seconds, and go out?
4.If yes, the SRS system is functioning properly. If no, refer to .
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