B1C2D
B1C2D - Right Side Seat Thorax Squib 1 Open
For a complete wiring diagram, refer to.
Theory of Operation
When powered, the occupant restraint controller 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 module (connected to neither power nor ground) as protection against inadvertent deployment. Use of the load tool in the tests below substitutes a suspect squib with a known good component. The use of the ORC connector adapter tool provides a test point as well as a method for opening the shorting bar connections within the harness connector.
• When Monitored: The ORC sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up and every 500 ms thereafter while the ignition is in on.
• Set Condition: This DTC sets when the ORC detects an open on the squib circuit for more than 2.5 seconds. This DTC transitions from active to stored when the module sees a recovery from an open condition for greater than 2.5 seconds.
Always perform the Pre - Diagnostic Troubleshooting procedure before proceeding.
Test Step 1 - Determine Active or Stored DTC
• Ensure the battery is fully charged.
• Turn the ignition ON.
• With the scan tool, read all active ORC DTCs.
Is the DTC active or stored?
ORC - active DTC
• Go to => [ Test Step 2 - Check for Open Squib Circuits in Right Seat Airbag ]
ORC - Stored DTC
• Perform the Restraints System Intermittent Test. Refer to => Non - DTC Based Diagnostics. ORC Restraints System Intermittent Test
Test Step 2 - Check for Open Squib Circuits in Right Seat Airbag
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.
• Disconnect the right seat airbag connector.
Do not place an intact undeployed airbag face down on a hard surface, the airbag will propel into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.
• Check connectors - Clean and repair as necessary.
• Connect the 8443 load tool and the 8443 - 1 jumper to the right seat airbag connector.
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.
• With the scan tool, read the active ORC DTCs.
Does the scan tool display B1C2D - Right Side Seat Thorax Squib 1 Open?
Yes
• Go to Test Step 3 => [ Test Step 3 - Check Right Seat Thorax Squib 1 LIN 1 Circuit for an
Open ]
No
• Replace the right seat airbag.
• Perform the Restraints System Intermittent Test. Refer to => Non - DTC Based Diagnostics. ORC Restraints System Intermittent Test
to avoid serious or fatal injury, turn the ignition OFF, disconnect the battery and wait two minutes before proceeding.
Test Step 3 - Check Right Seat Thorax Squib 1 LIN 1 Circuit for an Open
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.
• Disconnect the 8443 load tool and the 8443 - 1 jumper from the right seat airbag connector.
• Disconnect the ORC connectors.
• Check connectors - Clean and repair as necessary.
• Connect the load tool ORC 8443 - 28 adaptor to the ORC connectors.
• Measure the resistance of the right seat thorax squib 1 LIN 1 circuit between the right seat airbag connector and the load tool ORC 8443 - 28 adaptor.
Is the resistance below 1.0 ohm?
Yes
• Go to Test Step 4 => [ Test Step 4 - Check Right Seat Thorax Squib 1 LIN 2 Circuit for an
Open ]
No
• Repair the right seat thorax squib 1 LIN 1 circuit for an open Then, Go to Test Step 4 => [ Test Step 4 - Check Right Seat Thorax Squib 1 LIN 2 Circuit for an
Open ]
Test Step 4 - Check Right Seat Thorax Squib 1 LIN 2 Circuit for an Open
• Measure the resistance of the right seat thorax squib 1 LIN 2 circuit between the right seat airbag connector and the load tool ORC 8443 - 28 adaptor.
Is the resistance below 1.0 ohm?
Yes
• Replace the ORC.
• Perform the Restraints System Intermittent Test. Refer to => Non - DTC Based Diagnostics. ORC Restraints System Intermittent Test
If the occupant restraint controller 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.
No
• Repair or replace the right seat thorax squib 1 LIN 2 circuit for an open
• Perform the Restraints System Intermittent Test. Refer to => Non - DTC Based Diagnostics. ORC Restraints System Intermittent Test