B1B73

B1B73-LEFT SIDE SATELLITE ACCELERATION SENSOR 2 INTERNAL





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
The location of the left side impact sensor 2 is in the C-pillar just past the second row seating. With the ignition on, the Left Side Impact Sensor 2 is equipped with on board diagnostics to monitor to sensor's internal circuits. If a problem is identified, the sensor sends the Left Side Impact Sensor 2 Internal message to the Occupant Restraint Controller (ORC). If the scan tool shows this DTC has a Stored history of setting then the left side impact sensor is to be replaced.

- Set Condition:
This DTC will set if the ORC receives an internal DTC from the Left Side Impact Sensor 2.





1.

NOTE: If the scan tool shows this DTC has a Stored history of setting then the left side impact sensor is to be replaced.
DETERMINE ACTIVE OR STORED FAULT CODE

NOTE: Make sure the battery is fully charged.

1. Turn the ignition on.

Is the DTC: B1B72-LEFT SIDE SATELLITE ACCELERATION SENSOR 1 INTERNAL active or shows a setting history in stored?

Yes

- 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.

- NOTE: Inspect the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.

- Go To 2

No (Did not set a active or stored DTC B1B73-LEFT SIDE SATELLITE ACCELERATION SENSOR 2 INTERNAL).

- Perform the AIRBAG SYSTEM INTERMITTENT TEST. Initial Inspection and Diagnostic Overview.

2. VERIFY OPERATION OF THE LEFT SIDE IMPACT SENSOR 2

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. Replace the Left Side Impact Sensor 2.
2. Reconnect the vehicle wire harness to the sensor.
3. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.

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. Use the scan tool and erase the stored codes in all airbag system modules.
5. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
6. Wait one minute, and read active codes.

Did the active DTC: B1B73-LEFT SIDE SATELLITE ACCELERATION SENSOR 2 INTERNAL return?

Yes

- Go To 3

No

- Repair is complete.
- Perform the AIRBAG SYSTEM VERIFICATION TEST. Airbag System Verification Test.

3. REPLACE THE OCCUPANT RESTRAINT CONTROLLER

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.

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.

If there are no possible causes remaining, view repair.

Repair

- Replace the ORC.
- Perform the AIRBAG SYSTEM VERIFICATION TEST. Airbag System Verification Test.