Part 2
Diagnostic Routine AG
10. CHECK THE SECOND ROW LEFT SAFETY BELT INFLATOR 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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
3. Vehicles equipped with a 40 percent second row left seat: Disconnect Second Row Left Safety Belt Inflator C3644.
- Remove 5 screws and the seat track inboard inner and outer covers.
- Detach the cushion cover front and inboard retainers.
- Lift the cushion cover and foam pad.
4. Vehicles equipped with a 60 percent second row left seat: Disconnect Second Row Left Safety Belt Inflator C3644.
- Detach the cushion cover retainers and position the cushion cover aside.
5. Disconnect 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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
7. Ignition ON.
8. Measure:
Is any voltage present?
11. CONFIRM THE SECOND ROW LEFT SAFETY BELT INFLATOR 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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
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 damage, 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) .
- repair any concerns found. Refer to Wiring Diagram Set 5 for schematic and connector information Electrical Diagrams.
4. Connect Second Row Left Safety Belt Inflator C3644.
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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
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 damage, 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) .
- repair any concerns found. Refer to Wiring Diagram Set 5 for schematic and connector information Electrical Diagrams.
4. Connect Second Row Left Safety Belt Inflator C3644 (if previously disconnected).
5. Connect RCM (Restraints Control Module) C310A and C310B (if previously disconnected).
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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
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 SECOND ROW LEFT INFLATABLE SEATBELT DEPLOYMENT CONTROL RESISTANCE (DEPLOY_27_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_27_R PID (Parameter Identification), attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently.
Does the PID (Parameter Identification) value read between 1.7 and 2.78 ohms?
14. CHECK THE SECOND ROW LEFT INFLATABLE SEATBELT DEPLOYMENT CONTROL 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.
2. Using a scan tool, perform RCM (Restraints Control Module) self-test to retrieve DTCs (Diagnostic Trouble Codes).
Was DTC (Diagnostic Trouble Code) B13B3:11 retrieved on-demand during self-test?
15. CHECK THE SECOND ROW LEFT INFLATABLE SEATBELT DEPLOYMENT CONTROL CIRCUITS FOR AN INTERMITTENT SHORT TO VOLTAGE 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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
3. Vehicles equipped with a 40 percent second row left seat: Disconnect Second Row Left Safety Belt Inflator C3644.
- Remove 5 screws and the seat track inboard inner and outer covers.
- Detach the cushion cover front and inboard retainers.
- Lift the cushion cover and foam pad.
4. Vehicles equipped with a 60 percent second row left seat: Disconnect Second Row Left Safety Belt Inflator C3644.
- Detach the cushion cover retainers and position the cushion cover aside.
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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
6. Ignition ON.
7. Attempt to recreate the fault by wiggling connectors (including any inline connectors) and flexing the wire harness frequently.
8. Using a scan tool, perform RCM (Restraints Control Module) self-test to retrieve DTCs (Diagnostic Trouble Codes).
Was DTC (Diagnostic Trouble Code) B13B3:12 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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
3. Vehicles equipped with a 40 percent second row left seat: Disconnect Second Row Left Safety Belt Inflator C3644.
- Remove 5 screws and the seat track inboard inner and outer covers.
- Detach the cushion cover front and inboard retainers.
- Lift the cushion cover and foam pad.
- Inspect connector(s) (including any inline connectors) for corrosion, loose or spread terminals and loose or frayed wire connections at terminals.
- Inspect wire harness for any damage, pinched, cut or pierced wires.
4. Vehicles equipped with a 60 percent second row left seat: Disconnect Second Row Left Safety Belt Inflator C3644.
- Detach the cushion cover retainers and position the cushion cover aside.
- Inspect connector(s) (including any inline connectors) for corrosion, loose or spread terminals and loose or frayed wire connections at terminals.
- Inspect wire harness for any damage, pinched, cut or pierced wires.
5. Inspect RCM (Restraints Control Module) C310A and C310B CPA (Connector Position Assurance) lever/lock for correct operation. REFER to Restraints Control Module (RCM) .
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 REFER to Supplemental Restraint System (SRS) Depowering and Repowering - without Intelligent Access (IA) .
4. Ignition ON.
5. Using a scan tool, perform Restraints 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?