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B0029-12






B0029-12-RIGHT CURTAIN DEPLOYMENT SQUIB 1 - CIRCUIT SHORT TO BATTERY

Special Tools:










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

Theory of Operation
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 in the tests below substitutes a suspect squib with a known good component. The use of 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.
- When Monitored:
The ORC sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up and every 100 ms thereafter while the ignition is on. With the ignition on, the ORC monitors the voltage on the Right Side Curtain Squib 1 circuits.

- Set Condition:
This Diagnostic Trouble Code (DTC) sets when the ORC detects a short to voltage on the Right Side Curtain Squib 1 circuit for more than 2.5 seconds. This DTC transitions from active to stored when the ORC sees a recovery from a short to voltage for greater than 2.5 seconds.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Restraints System Pre-Diagnostic Procedure.

1. VERIFY ACTIVE DTC

NOTE: Ensure the battery is fully charged.

1. Turn the ignition on.
2. Select Active or Stored DTC.

Does the scan tool display active B0029-12-RIGHT CURTAIN DEPLOYMENT SQUIB 1 - CIRCUIT SHORT TO BATTERY DTC?

Yes

- Go To 2

No

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

2. CHECK RIGHT SIDE CURTAIN AIRBAG FOR 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 Curtain Airbag harness connector.

WARNING: Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.

NOTE: Check connectors - Clean and repair as necessary.

2. Connect the SRS Load Tool Kit and SRS Load Tool Jumper to the Right Side Curtain Airbag 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 ORC DTCs.

Does the scan tool display active B0029-12-RIGHT CURTAIN DEPLOYMENT SQUIB 1 - CIRCUIT SHORT TO BATTERY DTC?

Yes

- Go To 3

No

- 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 Right Side Curtain Airbag.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

3. CHECK (R2, R4) RIGHT CURTAIN SQUIB 1 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 SRS Load Tool Kit and Jumper from the Right Side Curtain Airbag harness connector.
2. Disconnect the ORC harness connectors.

NOTE: Check connectors - Clean and repair as necessary.

3. Connect the SRS Load Tool Adaptor to the ORC C1 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.

4. Measure the voltage of the (R4) Right Curtain Squib 1 Line 1 circuit between the Right Side Curtain Airbag harness connector cavity 1 and ground.
5. Measure the voltage of the (R2) Right Curtain Squib 1 Line 2 circuit between the Right Side Curtain Airbag harness connector cavity 2 and ground.

Is there any voltage present for either measurement?

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.

- Repair the Right Curtain Squib 1 circuits for a short to voltage.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

No

- 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 follow these instructions may result in possible serious or fatal injury.

- Replace the ORC.
- Perform the RESTRAINTS SYSTEM VERIFICATION TEST. Restraints System Verification Test.

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