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B009D-49






B009D-49-RIGHT SIDE RESTRAINTS SENSOR 4 - INTERNAL ELECTRONIC FAILURE

Special Tools:










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

Theory of Operation

The right side impact pressure sensor 4 is located in the first row door. The impact pressure sensors perform their own self test using power supplied by the Occupant Restraint Controller (ORC) then communicate this status back to the ORC with periodic updates. The repair of this fault condition involves verifying the integrity of the wiring between the ORC and the sensor.

- When Monitored:
The Occupant Restraint Controller (ORC) continuously communicates with the Right Side Impact (Pressure) Sensor 4 over the sensor signal circuit. The sensor communication and on board diagnostics are powered by the ORC signal.

- Set Condition:
This code will set, if the ORC and the Right Side Impact (Pressure) Sensor 4 do not establish and maintain valid data communications. The DTC will become Active after the fault has set for 9 seconds. The DTC will go to Stored after the ORC to Right Side Impact (Pressure) Sensor 4 communication has recovered for 4 seconds.





1.

NOTE: The use of a approved special tool or Digital Multimeter such as a Fluke Meter that will not apply more than 20 milliamperes to a circuit are the only measurement tools to be used.

NOTE: Probing of the circuit cavities at the ORC Module C1-A, C1-B, or C2-A body harness connectors is only to be done with a approved test lead from the Test Leads, Dedicated Test Leads kit 10159, test lead 10159-6. Or a comparable test lead to prevent vehicle wiring harness connector damage during diagnostic procedures. (10159)
VERIFY ACTIVE B009D-49-RIGHT SIDE RESTRAINTS SENSOR 4 - INTERNAL ELECTRONIC FAILURE
1. Turn the ignition on.
2. With the scan tool, read ORC DTCs.

NOTE: Make sure the battery is fully charged.

Does the scan tool display an active: B009D-49-RIGHT SIDE RESTRAINTS SENSOR 4 - INTERNAL ELECTRONIC FAILURE?

Yes

- Go To 2

No

- Perform the RESTRAINTS SYSTEM INTERMITTENT TEST. Restraints System Intermittent Condition Test.

2. CHECK THE (R140), (R160) RIGHT SIDE IMPACT PRESSURE SENSOR SIGNAL AND GROUND CIRCUITS FOR A SHORT TO VOLTAGE





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 Right Side Impact Pressure Sensor harness connector.
2. Disconnect the ORC harness connector.If the vehicle is equipped with the standard key ignition, follow this ignition on warning.

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.
If the vehicle is equipped with the keyless ignition, follow this ignition on warning.

WARNING: Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

3. Measure the voltage of the (R140) Right Side Impact Pressure Sensor Signal circuit and (R160) Sensor Ground circuit at the appropriate terminal of the Right Side Impact Pressure Sensor harness connector and ground.

Is there any voltage present?

Yes

- Repair the (R140), (R160) Right Side Impact Pressure Sensor circuits for a short to voltage.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

No

- Go To 3

3. CHECK THE (R140) RIGHT SIDE IMPACT PRESSURE SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND





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. Measure the resistance of the (R140) Right Side Impact Pressure Sensor Signal circuit between the appropriate terminal of the Right Side Impact Pressure Sensor harness connector and ground.

Is the resistance below 20 Ohms?

Yes

- Repair the (R140) Right Side Impact Pressure Sensor Signal circuit for a short to ground.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

No

- Go To 4

4. CHECK THE (R140), (R160) RIGHT SIDE IMPACT PRESSURE SENSOR CIRCUITS FOR A SHORT TOGETHER




1. Measure the resistance between the (R140) Right Side Impact Pressure Sensor 4 Signal circuit and the (R160) Sensor Ground circuits at the Right Side Impact Pressure Sensor 4 harness connector.

Is the resistance below 20 Ohms?

Yes

- Repair the (R140), (R160) Right Side Impact Pressure Sensor circuits shorted together.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

No

- Go To 5

5. CHECK THE (R160) RIGHT SIDE IMPACT PRESSURE SENSOR GROUND CIRCUIT FOR AN OPEN OR HIGH RESISTANCE




1. Disconnect the ORC module from the ORC module body harness connector.
2. Connect the appropriate test leads to the DVOM.
3. Measure the resistance of the (R160) Right Side Impact Pressure Sensor Ground circuit between terminal 2 of the Right Side Impact Pressure Sensor harness connector and C1-B 61 terminal of the ORC module body harness connector.

Is the resistance below 1 Ohm?

Yes

- Go To 6

No

- Repair the (R160) Right Side Impact Pressure Sensor Ground circuit for an open or high resistance.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

6. CHECK THE (R140) RIGHT SIDE IMPACT PRESSURE SENSOR SIGNAL CIRCUIT FOR AN OPEN OR HIGH RESISTANCE




1. Measure the resistance of the (R140) Right Side Impact Pressure Sensor Signal circuit between terminal 1 of the Right Side Impact Pressure Sensor harness connector and the C1-B 62 terminal of the ORC module body harness connector.

Is the resistance below 1 Ohm?

Yes

- Go To 7

No

- Repair the (R140) Right Side Impact Pressure Sensor Signal circuit for an open or high resistance.
- Perform the RESTRAINTS VERIFICATION TEST. Restraints System Verification Test

7. CHECK OPERATION OF THE RIGHT SIDE IMPACT PRESSURE SENSOR 4
1. Replace the Right Side Impact Pressure Sensor 4. Impact Sensor - Removal
2. Reconnect the vehicle body harness to the impact sensor.
3. Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.If the vehicle is equipped with the standard key ignition, follow this ignition on warning.

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.
If the vehicle is equipped with the keyless ignition, follow this ignition on warning.

WARNING: Disconnect the 12-volt battery wait two minutes before proceeding, remove the ORC fuses, connect the 12-volt battery, wait two minutes before proceeding. Cycle the ignition to the On position, then reconnect the ORC fuses. Wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

4. Connect the scan tool to the Data Link Connector - use the most current software available.
5. Use the scan tool and erase the stored codes in all airbag system modules.
6. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
7. Wait one minute, and read active codes and if there are none present read the stored codes.

Did the active Right Side Impact Sensor 4 DTC return?

Yes

- Go To 8

No

- Repair is complete.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

8. 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.

Repair

- Replace the Occupant Restraint Controller. Occupant Restraint Controller - Removal.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

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