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REMOVAL AND INSTALLATION
warning
  • Never attempt to disassemble or repair the seat belt pre-tensioner. If faulty, replace it.
  • Be extremely careful when handling the seat with pre-tensioner. Do not subject it to shocks, drop it, bring it close to strong magnets or allow contact with water, grease or oil. Always replace it with a new part if any dents, cracks or deformation is found.
  • Do not place anything on the seat belt pre-tensioner.
  • Do not expose the seat belt pre-tensioner to temperatures over 90°C (194°F).
  • After operating the seat belt pre-tensioner, replace the seat belt pre-tensioner with a new part.
  • Gloves and protective goggles must be worn when handling a seat belt pre-tensioner once it has been used.
  • Certain components of this vehicle, such as air bag modules and seat belt pre-tensioners, may contain perchlorate materials. Before deployment and/or disposal of these components, review and comply with all applicable Federal, state and local regulations.
  • An undeployed seat belt with pre-tensioner should only be disposed of in accordance with the procedures (Refer to ).
  • If disposing of a seat belt with pre-tensioner which has not yet been operated, its seat belt pre-tensioner must be operated first before disposal. (Refer to ).


 
 
Pre-removal Operation
  • Turn the ignition key to the "LOCK" (OFF) position.
Removal steps
<<A>>1.Negative (-) battery cable connection
2.Outer seat belt mounting bolt
•Front scuff plate, scuff plate rear, center pillar trim lower (Refer to GROUP 52A - Interior Trim ).
3.Center pillar trim upper cap (Refer to GROUP 52A - Interior Trim ).
4.Center pillar trim upper
<<B>>5.Seat belt pre-tensioner connector
<<C>>6.Seat belt with pre-tensioner
Installation steps
>>A<<•Pre-installation inspection
6.Seat belt with pre-tensioner
5.Seat belt pre-tensioner connector
4.Center pillar trim upper
3.Center pillar trim upper cap (Refer to GROUP 52A - Interior Trim ).
•Front scuff plate, scuff plate rear, center pillar trim lower (Refer to GROUP 52A - Interior Trim ).
2.Outer seat belt mounting bolt
1.Negative (-) battery cable connection
>>B<<•Post-installation inspection

Required Special Tools:
  • MB991958: Scan Tool (M.U.T.-III Sub Assembly)
    • MB991824: Vehicle Communication Interface(V.C.I.)
    • MB991827: M.U.T.-III USB Cable
    • MB991910: M.U.T.-III Main Harness A
 
 
REMOVAL SERVICE POINTS
 
 
<<A>> NEGATIVE (-) BATTERY CABLE DISCONNECTION
dangerWait at least 60 seconds after disconnecting the battery cable before doing any further work. (Refer to ).
warningBattery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
Disconnect the negative (-) battery cable from the battery and tape the terminal to prevent accidental connection and seat belt pre-tensioner operation.
 

 
 
<<B>> SEAT BELT PRE-TENSIONER CONNECTOR DISCONNECTION
Use the flat-tipped screwdriver to pull out the locking button of wiring harness side connector, and release the lock.
 

 
 
<<C>> SEAT BELT WITH PRE-TENSIONER REMOVAL
cautionWhen discarding the seat belt with pre-tensioner, discard after operating the pre-tensioner as specified in the service procedure. (Refer to .)
 
 
 
INSTALLATION SERVICE POINTS
 
 
>>A<< PRE-INSTALLATION INSPECTION
1.
warningDispose of seat belt pre-tensioner only according to the specified procedure. (Refer to ).
When installing the new seat belt pre-tensioner, refer to “INSPECTION” ().
2. Connect the negative (-) battery cable.
3.
cautionTo prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
Connect scan tool MB991958 to the data link connector.
4. Turn the ignition switch to the “ON” position.
5. Check DTCs using scan tool MB991958 to ensure entire SRS operates properly.
At this time, check that no DTC except B1608 and B1C49 are set.
6.
dangerWait at least 60 seconds after disconnecting the battery cable before doing any further work. (Refer to ).
warningBattery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
Turn the ignition switch to the "LOCK" (OFF) position. Disconnect the negative (-) battery cable and tape the terminal to prevent accidental connection and seat belt pre-tensioner operation.

 
 
>>B<< PRE-TENSIONER CONNECTOR CONNECTION
Connect the pre-tensioner connector then securely lock the locking button of the harness-side connector.

 
 
>>C<< POST-INSTALLATION INSPECTION
1. Reconnect the negative (-) battery cable.
2. Turn the ignition switch to the “ON” position.
3. Does the "SRS" warning light illuminate for approximately seven seconds, and go out?
4. If yes, the SRS system is functioning properly. If not, refer to .