Nissan Titan. Instruction — part 544
SR-16
< REMOVAL AND INSTALLATION >
FRONT SEAT BELT PRE-TENSIONER
FRONT SEAT BELT PRE-TENSIONER
Removal and Installation
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For removal and installation procedures for front seat belt pre-tensioners, refer to
DIAGNOSIS SENSOR UNIT
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DIAGNOSIS SENSOR UNIT
Removal and Installation
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REMOVAL
CAUTION:
• Before servicing the SRS, turn the ignition switch off, disconnect both battery terminals and wait at
least three minutes.
• Do not use old bolts; replace with new bolts.
• Check diagnosis sensor unit bracket to make sure it is free of deformities, dents, cracks or rust. If it
shows any visible signs of damage, replace with new one.
• Replace diagnosis sensor unit if it has been dropped or sustained an impact.
• Never use air tools or electric tools for servicing.
• When replacing the air bag diagnosis sensor unit, always check with the parts department for he lat-
est parts information. Installing an incorrect air bag diagnosis sensor unit may or may not cause the
air bag warning lamp to illuminate and may cause incorrect deployment of the supplemental air bags
and seat belt pre-tensioner in a collision resulting in serious personal injury or death.
1. Always check the air bag diagnosis sensor unit ECU discriminated number (identification number) or part
number using CONSULT.
2. Disconnect the negative and positive battery terminals, then wait at least three minutes. Refer to
3. Disconnect the harness connectors for the following SRS components:
SR-11, "Removal and Installation"
(Side curtain air bag module),
SE-48, "Disassembly and Assembly"
"Removal and Installation of Front Seat Belt"
(Seat belt pre-tensioner).
4. Remove center console. Refer to
IP-20, "Removal and Installation"
5. Disconnect diagnosis sensor unit harness connectors.
6. Remove bolts from the diagnosis sensor unit.
CAUTION:
• Do not use old bolts; replace with new bolts.
• Check diagnosis sensor unit bracket to ensure it is free of deformities, dents, cracks or rust. If it
shows any visible signs of damage, replace with new one.
• Replace diagnosis sensor unit if it has been dropped or sustained an impact.
INSTALLATION
Installation is in the reverse order of removal.
• Always follow the tightening sequence shown.
AWHIA0159ZZ
1.
Diagnosis sensor unit
Vehicle front
SR-18
< REMOVAL AND INSTALLATION >
DIAGNOSIS SENSOR UNIT
• After the work is completed, perform self-diagnosis to check that no malfunction is detected. Refer to
CAUTION:
• The diagnosis sensor unit must always be installed with the arrow mark "
⇐" pointing toward the
front of the vehicle for proper operation.
• When installing diagnosis sensor unit bolt, use proper tightening sequence.
• Never damage the harness while installing.
• If malfunction is detected by the air bag warning lamp after repair or replacement of the malfunction-
ing parts, reset the memory using self-diagnosis or CONSULT. Refer to
• After the work is completed, check that no system malfunction is detected by air bag warning lamp.
• After replacing the air bag diagnosis sensor unit, confirm using CONSULT that the ECU discrimi-
nated number (identification number) or part number of the new replacement air bag diagnosis sen-
sor unit matches the ECU discriminated number (identification number) or part number of the
replaced (old) air bag diagnosis sensor unit.
NOTE:
If the ECU discriminated number or part number of the new replacement air bag diagnosis sensor unit differs
from the ECU discriminated number or part number of the replaced air bag diagnosis sensor unit, reconfirm
the parts information and verify that the correct air bag diagnosis sensor unit was installed.
OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
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OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
Removal and Installation
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The occupant classification system control unit, occupant classification (pressure) sensor, and bladder are an
integral part of the front passenger seat cushion and are replaced as an assembly. Refer to
and Installation - Front Seat Assembly"
SE-48, "Disassembly and Assembly"
to
replace the seat cushion.
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