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Home >> Ford >> 2012 >> Focus L4-2.0L >> Repair and Diagnosis >> Restraints and Safety Systems >> Air Bag Systems >> Testing and Inspection >> Pinpoint Tests >> Diagnostic Routine H >> Part 2

Part 2




Diagnostic Routine H

10. CHECK THE RH (Right Hand) SIDE AIR CURTAIN MODULE CIRCUITS FOR A SHORT TO VOLTAGE

1. Ignition OFF.

2. Depower the SRS (Supplemental Restraint System). REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

3. Disconnect RH (Right Hand) Side Air Curtain Module C9032.

- Remove the upper C-pillar trim panel. REFER to C-Pillar Trim Panel - Upper. C-Pillar Trim Panel - Upper
- Position aside the upper B-pillar trim panel. REFER to B-Pillar Trim Panel .
- Remove the coat hook, front passenger grab handle, and the two headliner retaining pins at the rear of the headliner. REFER to Headliner - 4-Door Sedan or REFER to Headliner - 5-Door Hatchback .
- NOTICE: Use care when lowering any portion of the headliner. Failure to do so can result in creasing the headliner.

Fold the rear seat back down and lower the RH (Right Hand) rear corner of the headliner to access the side air curtain module electrical connector.

4. Disconnect RCM (Restraints Control Module) C310A and C310B.

5. Repower the SRS (Supplemental Restraint System).Do not prove out the SRS (Supplemental Restraint System) at this time. REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

6. Ignition ON.

7. Measure:





Is any voltage present?






11. CONFIRM THE RH (Right Hand) SIDE AIR CURTAIN MODULE FAULT

NOTE: Make sure all SRS (Supplemental Restraint System) components and the RCM (Restraints Control Module) electrical connectors are connected before carrying out the self-test. If not, DTCs (Diagnostic Trouble Codes) will be recorded.

1. Ignition OFF.

2. Depower the SRS (Supplemental Restraint System). REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

3. Prior to reconnecting any previously disconnected SRS (Supplemental Restraint System) component:

- inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
- inspect wire harness for any damaged, pinched, cut or pierced wires.
- inspect RCM (Restraints Control Module) C310A and C310B CPA (Connector Position Assurance) lever/lock for correct operation. REFER to Restraints Control Module (RCM). Service and Repair
- repair any concerns found. Refer to Wiring Diagram Set 5 for schematic and connector information Electrical Diagrams.

4. Connect the RH (Right Hand) Side Air Curtain Module electrical connector C9032.

5. Connect RCM (Restraints Control Module) C310A and C310B.

6. Repower the SRS (Supplemental Restraint System).Do not prove out the SRS (Supplemental Restraint System) at this time. REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

7. Ignition ON.

8. Using a scan tool, perform RCM (Restraints Control Module) self-test to retrieve DTCs (Diagnostic Trouble Codes).

Was the original DTC (Diagnostic Trouble Code) retrieved on-demand during self-test?






12. CONFIRM THE RCM (Restraints Control Module) FAULT

NOTE: Make sure all SRS (Supplemental Restraint System) components and the RCM (Restraints Control Module) electrical connectors are connected before carrying out the self-test. If not, DTCs (Diagnostic Trouble Codes) will be recorded.

1. Ignition OFF.

2. Depower the SRS (Supplemental Restraint System). REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

3. Prior to reconnecting any previously disconnected SRS (Supplemental Restraint System) component:

- inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
- inspect wire harness for any damaged, pinched, cut or pierced wires.
- inspect RCM (Restraints Control Module) C310A and C310B CPA (Connector Position Assurance) lever/lock for correct operation. REFER to Restraints Control Module (RCM). Service and Repair
- repair any concerns found. Refer to Wiring Diagram Set 5 for schematic and connector information Electrical Diagrams.

4. Connect the RH (Right Hand) Side Air Curtain Module electrical connector C9032 (if previously disconnected).

5. Connect RCM (Restraints Control Module) C310A and C310B.

6. Repower the SRS (Supplemental Restraint System).Do not prove out the SRS (Supplemental Restraint System) at this time. REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

7. Ignition ON.

8. Using a scan tool, perform RCM (Restraints Control Module) self-test to retrieve DTCs (Diagnostic Trouble Codes).

Was the original DTC (Diagnostic Trouble Code) retrieved on-demand during self-test?






13. CHECK THE RIGHT CURTAIN DEPLOYMENT CONTROL 1 DEPLOYMENT CONTROL RESISTANCE (DEPLOY_14_R) PID (Parameter Identification) FOR AN INTERMITTENT LOW RESISTANCE OR OPEN CIRCUIT FAULT

1. Using a scan tool, view RCM (Restraints Control Module) PIDs (Parameter Identifications).

2. While monitoring the DEPLOY_14_R PID (Parameter Identification), attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently. Record the resistance value indicated by the PID (Parameter Identification).

- Remove the upper C-pillar trim panel. REFER to C-Pillar Trim Panel - Upper. C-Pillar Trim Panel - Upper
- Position aside the upper B-pillar trim panel. REFER to B-Pillar Trim Panel .
- Remove the coat hook, front passenger grab handle, and the two headliner retaining pins at the rear of the headliner. REFER to Headliner - 4-Door Sedan or REFER to Headliner - 5-Door Hatchback .
- NOTICE: Use care when lowering any portion of the headliner. Failure to do so can result in creasing the headliner.

Fold the rear seat back down and lower the RH (Right Hand) rear corner of the headliner to access the side air curtain module electrical connector.

Does the PID (Parameter Identification) value read between 1.7 and 2.78 ohms?






14. CHECK THE RIGHT CURTAIN DEPLOYMENT CONTROL 1 CIRCUITS FOR AN INTERMITTENT SHORT TO GROUND FAULT

1. Attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently.

- Remove the upper C-pillar trim panel. REFER to C-Pillar Trim Panel - Upper. C-Pillar Trim Panel - Upper
- Position aside the upper B-pillar trim panel. REFER to B-Pillar Trim Panel .
- Remove the coat hook, front passenger grab handle, and the two headliner retaining pins at the rear of the headliner. REFER to Headliner - 4-Door Sedan or REFER to Headliner - 5-Door Hatchback .
- NOTICE: Use care when lowering any portion of the headliner. Failure to do so can result in creasing the headliner.

Fold the rear seat back down and lower the RH (Right Hand) rear corner of the headliner to access the side air curtain module electrical connector.

2. Using a scan tool, perform RCM (Restraints Control Module) self-test to retrieve DTCs (Diagnostic Trouble Codes).

Was DTC (Diagnostic Trouble Code) B0029:11 retrieved on-demand during self-test?






15. CHECK THE RIGHT CURTAIN DEPLOYMENT CONTROL 1 CIRCUITS FOR AN INTERMITTENT SHORT TO BATTERY FAULT

1. Ignition OFF.

2. Depower the SRS (Supplemental Restraint System). REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

3. Disconnect the RH (Right Hand) Side Air Curtain Module electrical connector C9032.

- Remove the upper C-pillar trim panel. REFER to C-Pillar Trim Panel - Upper. C-Pillar Trim Panel - Upper
- Position aside the upper B-pillar trim panel. REFER to B-Pillar Trim Panel .
- Remove the coat hook, front passenger grab handle, and the two headliner retaining pins at the rear of the headliner. REFER to Headliner - 4-Door Sedan or REFER to Headliner - 5-Door Hatchback .
- NOTICE: Use care when lowering any portion of the headliner. Failure to do so can result in creasing the headliner.

Fold the rear seat back down and lower the RH (Right Hand) rear corner of the headliner to access the side air curtain module electrical connector.

4. Repower the SRS (Supplemental Restraint System).Do not prove out the SRS (Supplemental Restraint System) at this time. REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

5. Ignition ON.

6. Attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently.

7. Using a scan tool, perform RCM (Restraints Control Module) self-test to retrieve DTCs (Diagnostic Trouble Codes).

Was DTC (Diagnostic Trouble Code) B0029:12 retrieved on-demand during self-test?






16. CHECK THE HARNESS AND CONNECTORS

1. Ignition OFF.

2. Depower the SRS (Supplemental Restraint System). REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

3. Disconnect the RH (Right Hand) Side Air Curtain Module electrical connector C9032 (if previously disconnected).

NOTICE: Use care when lowering any portion of the headliner. Failure to do so can result in creasing the headliner.

4. Inspect RCM (Restraints Control Module) C310A and C310B CPA (Connector Position Assurance) lever/lock for correct operation. REFER to Restraints Control Module (RCM). Service and Repair

Were any concerns found?






17. CHECK FOR ADDITIONAL SRS (Supplemental Restraint System) DTCs (Diagnostic Trouble Codes)

1. Ignition OFF.

WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

2. Reconnect all SRS (Supplemental Restraint System) components (if previously disconnected).

3. If previously directed to depower the SRS (Supplemental Restraint System), repower the SRS (Supplemental Restraint System).Do not prove out the SRS (Supplemental Restraint System) at this time. REFER to Supplemental Restraint System (SRS) Depowering and Repowering - with Intelligent Access (IA) or Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) . Service and Repair

4. Ignition ON.

5. Using a scan tool, perform theRestraints self-test to retrieve DTCs (Diagnostic Trouble Codes).

NOTE: When selecting Restraints from the Self Test menu, DTCs (Diagnostic Trouble Codes) are retrieved from the RCM (Restraints Control Module) and OCSM (Occupant Classification System Module).

Are any RCM (Restraints Control Module) and/or OCSM (Occupant Classification System Module) DTCs (Diagnostic Trouble Codes) retrieved on-demand during self-test?





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