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Seat Belt System Cadillac XLR I

Restraints Control Systems 4 illustrations ~2048 words

Fastener Tightening Specifications

ApplicationSpecifications
MetricEnglish
Retractor Bolt41 N.m31 lb ft

Fastener Tightening Specifications

Scheme 1

Scheme 1: Seat Belt Schematics
Scheme 1: Seat Belt Schematics

Scheme 2

Scheme 2: Seat Belt Component Views
Scheme 2: Seat Belt Component Views
CalloutComponent Name
1Drivers Seat
2Seat Belt Switch-Driver Connector
3Seat Belt Buckle-Driver

Scheme 3

Scheme 3: Seat Belt Switch - Driver
Scheme 3: Seat Belt Switch - Driver
Connector Part Information OEM: 12047663 Service: 12085481 Description: 2-Way M Metri-Pack 150 Series (BK)
Terminal Part Information Terminal/Tray: See Terminal Repair Kit Core/Insulation Crimp: See Terminal Repair Kit Release Tool/Test Probe: See Terminal Repair Kit

Seat Belt Connector End Views

PinWire ColorCircuit No.Function
ATN/WH238Seat Belt Switch Signal - Left
BPK5057Low Reference

Seat Belt Switch - Driver

Diagnostic Starting Point - Seat Belts

Begin the system diagnosis by reviewing the Seat Belt System Description and Operation . Reviewing the description and operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the description and operation information will also help you determine if the condition described by the customer is normal operation.

Refer to Symptoms - Seat Belts in order to identify the correct procedure for diagnosing the system and where the procedure is located.

Operational and Functional Checks

IMPORTANTIf the vehicle has been in a collision, refer to Repairs and Inspections Required After a Collision for additional information.

Perform the following inspection from the driver seat

  1. Turn the ignition switch ON and verify the proper operation of the seat belt reminder lamp with the belt buckled and unbuckled. Refer to «Seat Belt System Description and Operation»(/cadillac/xlr/i-2003-2009/remont/restraints-control-systems/#seat-belt-system) .
  2. Inspect the shoulder belt guide in order to ensure the that the following conditions are met: The shoulder belt guide swivels freely. The seat belt webbing is seated flatly in the guide slot. The webbing does not bind.
  3. Verify that the seat belt buckle faces inboard and is accessible.
  4. Verify that the seat belt retractor units are securely attached.
  5. Verify that the seat belt anchor bolts are secure.
  6. Fully extend the lap belt webbing. Verify that the seat belt webbing does not have any twists or tears.
  7. Allow the lap belt webbing to retract. Verify that the webbing returns freely and completely back into the lower retractor. If the seat belt webbing will not retract, refer to «Seat Belt Does Not Retract»(/cadillac/xlr/i-2003-2009/remont/restraints-control-systems/#seat-belt-system__seat-belt-does-not-retract) .
  8. Fully extend the shoulder belt webbing. Verify that the webbing does not have any twists or tears.
  9. Allow the shoulder belt webbing to retract. Verify that the webbing returns freely and completely back into the upper retractor.
  10. Verify that the energy management loop, sewn into the shoulder belt webbing at the latch plate, is intact and that the yellow, replace seat belt, label is not showing. This label is for energy management loop non-European belts only.
  11. Snap the seat belt latch plate into the buckle.
  12. Tug sharply on the seat belt latch plate and the buckle. Verify that the buckle remains locked.
  13. Push the button on the buckle: Verify that the seat belt latch plate releases easily from the buckle. Verify that the button returns to its original position.
  14. Fully extend the lap belt webbing. Allow the webbing to partially rewind, tug sharply on the lap webbing, check that the lap webbing will not extend.

Repeat steps 2-14 for the front passenger seat.

Emergency Locking Retractors

CAUTIONPerform this test in an area clear of other vehicles or obstructions. Do not conduct this test on the open road. A large, empty parking lot is suitable. Failure to observe this precaution may result in damage to the vehicle and possible personal injury.

Scheme 4

Scheme 4
Scheme 4
  1. Fasten the seat belts, an assistant is needed when the retractor under test is not part of the driver seat belt.
  2. Accelerate the vehicle slowly to 16 km/h (10 mph) and then apply the brakes firmly.
  3. Verify that both the lap belt retractor and the shoulder belt retractor lock the seat belt webbing when braking firmly.
  4. If the belt webbing does not lock, proceed with the following steps: Remove the seat belt retractor. Tilt the seat belt retractor slowly. Check that the seat belt webbing can be pulled from the retractor at an inclination of 15 degrees or less and cannot be pulled from the retractor at an inclination of 45 degrees or more. If the seat belt retractor does not operate as described, replace the retractor side of the seat belt.

Symptoms - Seat Belts

IMPORTANTReview the seat belt system description and operation in order to familiarize yourself with the system and how it functions. Refer to Seat Belt System Description and Operation .

Visual/Physical Inspection

  1. Inspect for aftermarket devices which could affect the operation of the seat belt system. Refer to «Checking Aftermarket Accessories»(/cadillac/xlr/i-2003-2009/remont/body-electrical/#how-to-diagnosis-repair-the-wiring-systems-testing__checking-aftermarket-accessories) .
  2. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Symptom List

Refer to the following symptom diagnostic procedure in order to diagnose the symptom

Seat Belt Does Not Retract

  1. Grab the seat belt webbing and slowly and firmly extract 15-25 mm (5/8-1 in) of webbing from the seat belt.
  2. Release the seat belt and allow the webbing to slowly retract back into the retractor.
  3. Check to see if the seat belt is released. If the seat belt is not released, repeat steps 1 and 2, two times more.
  4. If the retractor does not release after repeating the steps, replace with a new retractor.

Seat Belt Indicator Circuit Malfunction

StepActionYesNo
Schematic Reference: Seat Belt Schematics
1Did you review the Seat Belt System Description and Operation and perform the necessary inspections?Go to Step 2Go to Symptoms - Seat Belts
2Turn ON the ignition, with the engine OFF. Monitor the fasten safety belt indicator while buckling and unbuckling the driver seat belt. Does the system operate properly?Go to Testing for Intermittent Conditions and Poor Connections in Wiring SystemsGo to Step 3
3Buckle the driver seat belt. With a scan tool, observe the Driver Side Belt Status parameter in the SIR scan tool data list. Does the scan tool indicate that the Driver Side Belt Status parameter displays Buckled?Go to Step 4Go to Step 5
4Replace the instrument panel cluster (IPC). Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?Go to Step 8
5Turn OFF the ignition. Disconnect the inflatable restraint sensing and diagnostic module (SDM) connector. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement . Disconnect the seat belt switch - LF connector. Test the seat belt switch - left signal circuit for an open or high resistance. Did you find and correct the condition?Go to Step 8Go to Step 6
6Test the seat belt switch - left ground circuit for an open or high resistance. Did you find and correct the condition?Go to Step 8Go to Step 7
7Replace the seat belt switch - LF. Refer to Seat Belt Buckle Pretensioner Replacement . Did you complete the replacement?Go to Step 8
8Reconnect all components and connectors. Operate the system in order to verify the repair. Did you find and correct the condition?System OKGo to Step 3

Seat Belt Indicator Circuit Malfunction

Seat Belt Service Precautions

  1. Do not bleach or dye the seat belt webbing. Clean only with a mild soap and water solution and a soft brush or cloth.
  2. Keep sharp edges and damaging objects away from the seat belts. Avoid bending or damaging any part of the seat belt buckle or latch plate. Replace any seat belts which are cut or damaged in any way.
  3. Use only the correct seat belt anchor bolts/screws and tighten to the correct torque value, refer to Specifications in this section. When installing seat belt anchor bolts, start the bolt by hand to ensure that the bolt is threaded straight.
  4. Some seat belts and retractors must be serviced as a set with service replacement parts only. Do not attempt to make repairs to the individual components which are only serviced as a set.
  5. Verify that the replacement part number is correct for the vehicle at that seating position. Do not substitute a seat belt from a different seating position.

Repairs and Inspections Required After a Collision

CAUTIONRestraint systems can be damaged in a collision. To help avoid injury and ensure that all parts in need of replacement are replaced: Replace any seat belt system that was in use during the collision serious enough to deploy any automatic restraint device such as air bags and seat belt pretensioners. This not only includes seat belt systems in use by people of adult size, but seat belt systems used to secure child restraints, infant carriers and booster seats, including LATCH system and top tether anchorages. Replace any seat belt system that has torn, worn, or damaged components. This not only includes adult seat belt systems, but built-in child restraints and LATCH system components, if any. Replace any seat belt system if you observe the words "REPLACE" or "CAUTION", or if a yellow tag is visible. Do not replace a seat belt if only the child seat caution label is visible. Replace any seat belt system if you are doubtful about its condition. This not only includes adult seat belt systems, but built-in child restraints, LATCH system components, and any restraint system used to secure infant carriers, child restraints, and booster seats. Do NOT replace single seat belt system components in vehicles that have been in a collision as described above. Always replace the entire seat belt system with the buckle, guide and retractor assembly, which includes the latch and webbing material.

After a minor collision where no automatic restraint device was deployed, seat belt system replacement may not be necessary, unless some of the parts are torn, worn, or damaged.

Removal Procedure

  1. Remove the passenger seat. Refer to «Seat Replacement»(/cadillac/xlr/i-2003-2009/remont/seats/#seat-system) .
  2. Remove the rear window trim panel. Refer to «Rear Window Panel Trim Replacement»(/cadillac/xlr/i-2003-2009/remont/exteriorinterior-trim/#interior-trim) .
  3. Remove the bolt attaching the retractor.
  4. Remove the retractor assembly from the vehicle.

Installation Procedure

  1. Install the retractor assembly to the vehicle.
  2. Install the retractor and attaching bolt. Tighten: Tighten the bolt to 41 N.m (31 lb ft).
  3. Install the rear window trim panel. Refer to «Rear Window Panel Trim Replacement»(/cadillac/xlr/i-2003-2009/remont/exteriorinterior-trim/#interior-trim) .
  4. Install the passenger seat. Refer to «Seat Replacement»(/cadillac/xlr/i-2003-2009/remont/seats/#seat-system) .
  1. Remove the driver seat assembly. Refer to «Seat Replacement»(/cadillac/xlr/i-2003-2009/remont/seats/#seat-system) .
  2. Remove the rear window trim panel. Refer to «Rear Window Panel Trim Replacement»(/cadillac/xlr/i-2003-2009/remont/exteriorinterior-trim/#interior-trim) .
  3. Remove the bolt attaching the retractor.
  4. Remove the retractor assembly from the vehicle.
  1. Install the retractor assembly to the vehicle.
  2. Install the retractor and attaching bolt. Tighten: Tighten the bolt to 41 N.m (30 lb ft).
  3. Install the rear window trim panel. Refer to «Rear Window Panel Trim Replacement»(/cadillac/xlr/i-2003-2009/remont/exteriorinterior-trim/#interior-trim) .
  4. Install the driver seat assembly. Refer to «Seat Replacement»(/cadillac/xlr/i-2003-2009/remont/seats/#seat-system) .

Child Restraint Belt Tether Location

Lower anchors are provided at the passenger position that can be used to install a child seat. A label on the seatback shows where each lower anchor in installed.

If the child seat has the necessary attachments, the vehicle owner may use these lower anchors to install the child seat instead of using the vehicle safety belts.

However this vehicle is not equipped with a third top anchor. If the instructions that come with the child seat require that 3 anchors be used to secure the seat, do NOT use that seat in this vehicle.

Restraint System

IMPORTANTIf the vehicle has been in a collision, refer to Repairs and Inspections Required After a Collision for additional information.

Vehicle has front seat belts that are the primary means of occupant restraint. Seat belts help to keep the occupant(s) inside the passenger compartment and to gradually reduce the impact forces during the following events

  1. Frontal impact type crashes
  2. Rear impact type crashes
  3. Side impact type crashes
  4. Rollover type crashes

All seat belt retractors have emergency locks. The retractors remain unlocked during normal operation and under normal driving conditions. The retractors remain unlocked during normal conditions in order to allow free movement of the upper body of each occupant. A pendulum locks the seat belt webbing into position. The pendulum causes a locking bar to engage a cog on the spool of the retractor mechanism when the following conditions occur

  1. A rapid extraction of the seat belt webbing from the retractor
  2. An abrupt change in vehicle speed
  3. An abrupt change in vehicle direction
  4. Operation of the vehicle on a steep upgrade
  5. Operation of the vehicle on a downgrade

The seat belts have an automatic locking (cinch) feature. The cinch feature is activated when the seat belt webbing is completely extended from the retractor. The cinch feature prevents the webbing from extending beyond the position from which it is allowed to retract. Use of the cinch feature is recommended for securing a child seat. The cinch feature may be cancelled by allowing the webbing to wind back completely into the retractor. After the cinch feature is cancelled, the webbing is unlocked. After the cinch feature is cancelled, the webbing will extend from the retractor. This vehicle is also equipped with a supplemental inflatable restraint (SIR) system. Refer to SIR System Description and Operation .

The front seat belt system includes a driver and passenger seat belt pretensioner. Both driver seat belt pretensioner includes a seat belt switch in the seat buckle which controls a reminder lamp and a tone alarm.

  1. When the driver seat belt is buckled, the driver door is closed, and the ignition switch is turned ON, the following events will occur: The tone alarm will not operate. The reminder lamp will not operate.
  2. When the passenger seat belt is buckled with an occupant sitting in the passenger front seat, and the passenger door is closed, then the ignition switch is turned ON, the following events will occur: The tone alarm will not operate. The reminder lamp, which is located within the PPS status indicator for the passenger seat, will not be turned ON.
  3. When the driver seat belt is not buckled, the driver door is closed, and the ignition switch is in the ON position, the following events will occur: The tone alarm will operate for 4-8 seconds and then go OFF. The fasten safety belt indicator will turn ON for 20 seconds, until the driver seat belt is buckled.
  4. When the passenger seat belt is not buckled with an occupant sitting in the passenger front seat, and the passenger door is closed, then the ignition switch is turned ON, the following events will occur: The tone alarm will operate for 4-8 seconds and then go OFF. The reminder lamp, which is located within the PPS status indicator for the passenger seat, will be turned ON.

Child Seat Restraint System

CAUTIONA child in a rear-facing child restraint can be seriously injured if the right-front passengers air bag inflates. This is because the back of a rear-facing child restraint would be very close to the inflating air bag. NEVER use a rear-facing child restraint in this vehicle. If a forward-facing child restraint is suitable for your child, ALWAYS move the front passenger seat as far back as it will go and then install the child restraint. Be sure the child restraint position does not conflict with any additional requirements provided by the manufacturer. For more information, refer to the vehicle owners manual and the instruction that came with the child restraint.

The child seat may only be used in a forward facing seating location. The child seat should be installed and secured according to the manufacturer directions. If the child seat has a top strap, the seat will need to be anchored. Passengers should not be allowed to sit at locations where the seat belts are being used to secure the child seat.

All vehicles are equipped with a dual-mode type retractor with emergency and automatic locking features. The automatic locking feature is for restraint of a child seat. The child seat can be secured by pulling the seat belt all the way out to lock it. Then, tighten the seat belt around the child seat.

Fasten Safety Belt Indicator

The fasten safety belt indicator may only be ON during RUN. The instrument panel cluster (IPC) illuminates the fasten safety belt indicator under the following conditions

  1. During the bulb check.
  2. The sensing and diagnostic module (SDM) sends the status of the driver seat belt switch to the IPC via a serial data communication message. If the seat belt is unfastened, the IPC will illuminate the fasten safety belt indicator for 72 seconds or until the seat belt is fastened. If the seat belt is unfastened within 8 seconds following the bulb check, the IPC sends a serial data communication message requesting 5 chimes to sound.