B0106-12
B0106-12-FRONT DRIVER PRETENSIONER (ANCHOR) - CIRCUIT SHORT TO BATTERY
For a complete wiring diagram, refer to the Wiring Information.
Theory of Operation
The location of the anchor buckle tensioner is at the base of the B-pillar. The anchor buckle tensioner is an internal part of the seat belt retractor. When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. These circuits are maintained in a "floating" configuration at the ORC (connected to neither power nor ground) as protection against inadvertent deployment. Use of the Supplemental Restraints System (SRS) Load Tool Kit 8443A in the tests below substitutes a suspect squib with a known good component. The SRS Load Tool Adapter provides a test point as well as a method for opening the shorting bar connections within the ORC harness connector. The anchor buckle tensioners can not be repaired and if ineffective or damaged the entire anchor buckle unit is to be replaced. Following any front airbag deployment the anchor buckle tensioners will also be replaced.
- When Monitored:
With the ignition on.
- Set Condition:
The Occupant Restraint Controller (ORC) monitors the resistance of the Driver Seat Belt Tensioner circuits. The ORC will set this DTC if it detects voltage on the Driver Seat Belt Tensioner circuits for 2.6 seconds. The DTC will change from active to stored when the ORC monitoring shows the short to voltage circuit fault is gone for 2.6 seconds. The multifunction indicator lamp (MIL) will set in the instrument cluster.
1. DETERMINE ACTIVE OR STORED DTC
NOTE: Make sure that the battery is fully charged.
NOTE: The scan tool, SRS Load Tool Kit 8443A, and DVOM are required to perform the following test.
1. Turn the ignition on.
Select ACTIVE or STORED DTC:
ACTIVE DTC
- Go To 2
STORED DTC
- Go To 4
2. CHECK FOR SHORTED DRIVER SEAT BELT TENSIONER (ANCHOR)
WARNING: Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
1. Disconnect the Driver Seat Belt Tensioner harness connector.
NOTE: Check connectors - Clean and repair as necessary.
2. Connect the SRS Load Tool Kit 8443A and SRS Load Tool Jumper 8443-8 to the Driver Seat Belt Tensioner harness connector.
WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
3. With the scan tool, read the active ORC DTCs.
Does the scan tool display: B0106-12-FRONT DRIVER PRETENSIONER (ANCHOR) - CIRCUIT SHORT TO BATTERY?
Yes
- Go To 3
No
- Replace the Driver Seat Belt Tensioner (Anchor). Seat Belt Retractor - Removal.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.
3. CHECK THE (R55) DRIVER SEAT BELT RETRACTOR (ANCHOR) LINE 1 CIRCUIT AND THE (R53) DRIVER SEAT BELT RETRACTOR (ANCHOR) LINE 2 CIRCUIT FOR A SHORT TO BATTERY
WARNING: Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
1. Disconnect the SRS Load Tool Kit 8443A and SRS Load Tool Jumper 8443-8 from the Driver Seat Belt Tensioner harness connector.
2. Disconnect the ORC harness connectors.
NOTE: Check connectors - Clean and repair as necessary.
3. Connect the SRS Load Tool Adaptor 8443-25 to the ORC harness connectors.
WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
4. Measure the voltage of the (R55) Driver Seat Belt Retractor Line 1 circuit between the SRS Load Tool Adaptor 8443-25 cavity 32-9 and ground.
5. Measure the voltage of the (R53) Driver Seat Belt Retractor Line 2 circuit between the SRS Load Tool Adaptor 8443-25 cavity 32-10 and ground.
Is there any voltage present on either circuit?
Yes
- Repair the Driver Seat Belt Tensioner (Anchor) circuits with voltage present for a short to battery.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.
No
- WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment. Failure to follow these instructions may result in possible serious or fatal injury.
WARNING: Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
- Replace the ORC. Occupant Restraint Controller - Removal.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.
4. CHECKING STORED OR INTERMITTENT CODES
NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to the complete list of airbag system diagnostic procedures.
1. With the scan tool, record and erase all Airbag System Module DTCs.
WARNING: Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
2. Using the wiring diagram/schematic as a guide, inspect the related wiring and connectors for chafed, pierced, pinched, and partially broken wires, and for broken, bent, pushed out, corroded, and contaminated terminals. Repair as necessary.
3. Reconnect all disconnected components and harness connectors.
WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
4. With the scan tool, monitor for active codes while performing the following:
- Wiggle the wiring harness and connectors of the related airbag circuit.
- Continue the test until either a code becomes active or the problem area is isolated.
5. In the previous steps you have attempted to recreate the conditions responsible for setting the DTC in question/causing the intermittent condition.
Are any ACTIVE DTCs present?
Yes
- Select the appropriate diagnostic procedure.
No
- No problem found at this time. Erase all codes before returning the vehicle to the customer.