Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISRESTRAINTSAIR BAG, SRSSUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM
2007 Ford Focus SES, 4D Sedan, Standard
Supplemental Inflatable Restraint System
2007 Ford Focus SES, 4D Sedan, StandardSECTION Supplemental Inflatable Restraint System
- Specifications
- Description And Operation
- Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- Notes
- Clockspring
- Driver Air Bag Module
- Electrical System
- High Speed Controller Area Network (HS-CAN)
- Occupant Classification Sensor
- Passenger Air Bag Deactivation (PAD) Indicator
- Passenger Air Bag Module
- Restraints Control Module (RCM)
- Safety Belt Buckle Switches
- Safety Belt Pretensioners
- Safety Belt Tension Sensor
- Seat Track Position Sensor
- Impact Sensors
- Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- Diagnostic Tests
- Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- Notes
- Restraint System Diagnostic Tool Warning
- Air Bag Module Second Stage Deployment Check
- Diagnosing Customer Concerns With Continuous Memory Diagnostic Trouble Codes (DTCs)
- Diagnosing Customer Concerns With On-Demand Diagnostic Trouble Codes (DTCs)
- Prove Out Procedure
- Glossary
- Secondary Air Bag Warning
- Air Bag/Pretensioner Restraint System Diagnostic Tools
- Disconnect the Component
- Deactivate the Supplemental Restraint System (SRS)
- Depower the Supplemental Restraint System (SRS)
- Prove Out the System
- Reactivate the Supplemental Restraint System (SRS)
- Repower the Supplemental Restraint System (SRS)
- Reconnect the System
- Install a New Component
- Verify the System
- Air Bag Reconnect Checklist
- Diagnostic Instructions - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- Pinpoint Tests - Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- Notes
- Restraint System Diagnostic Tool Warning
- Pinpoint Tests
- Pinpoint Test A: The Air Bag Warning Indicator is Illuminated Continuously - RCM Disconnected or Inoperative, Loss of Battery Feed or Loss of Signal Ground
- Pinpoint Test B: DTC B104B - Driver Side Crash Sensor Cross Link to Another Sensor, B104C - Passenger Side Crash Sensor Cross Link to Another Sensor or B104D - Front Crash Sensor Cross Link to Another Sensor
- Pinpoint Test C: DTC B104E - Driver Side Crash Sensor Short to Gnd/VBatt
- Pinpoint Test D: DTC B1047 - Driver Side, Side Mount Air Bag Cross Link to Another Firing Loop
- Pinpoint Test E: DTC B1048 - Passenger Side Air Bag Cross Link to Another Firing Loop
- Pinpoint Test F: DTC B1049 - Passenger Seat Belt Pretensioner Cross Link to Another Firing Loop
- Pinpoint Test G: DTC B1050 - Passenger Side Crash Sensor Short to Gnd/VBatt Fault
- Pinpoint Test H: DTC B1052 - Passenger Seat Belt Buckle Switch Cross Link to Another Sensor
- Pinpoint Test I: DTC B1053 - Driver Seat Belt Buckle Switch Cross Link to Another Sensor
- Pinpoint Test J: DTC B1054 - Driver Seat Belt Pretensioner Cross Link to Another Firing Loop
- Pinpoint Test K: DTC B1055 - Passenger Side, Side Mount Air Bag Cross Link to Another Firing Loop
- Pinpoint Test L: DTC B1057 - Driver Air Bag Cross Link to Another Firing Loop
- Pinpoint Test M: DTC B1058 - Driver Air Bag Cross Link to Another Firing Loop - Loop #2
- Pinpoint Test N: DTC B1059 - Passenger Air Bag Cross Link to Another Firing Loop - Loop #2
- Pinpoint Test O: DTC B1868 - Lamp Air Bag Warning Indicator Circuit Failure
- Pinpoint Test P: DTC B1877/B1885 - Seat Belt Driver Pretensioner Circuit Open Fault/Seat Belt Driver Pretensioner Circuit Resistance Low On Squib Fault
- Pinpoint Test Q: DTC B1878 - Seat Belt Driver Pretensioner Circuit Short to Battery Fault
- Pinpoint Test R: DTC B1879 - Seat Belt Driver Pretensioner Circuit Short to Ground Fault
- Pinpoint Test S: DTC B1881/B1886 - Seat Belt Passenger Pretensioner Circuit Open Fault/Seat Belt Passenger Pretensioner Circuit Resistance Low On Squib Fault
- Pinpoint Test T: DTC B1882 - Seat Belt Passenger Pretensioner Circuit Short to Battery Fault
- Pinpoint Test U: DTC B1883 - Seat Belt Passenger Pretensioner Circuit Short to Ground Fault
- Pinpoint Test V: DTC B1884 - PAD Warning Lamp Circuit Fault
- Pinpoint Test W: DTC B1890 - PAD Warning Lamp Circuit Short to Battery Fault
- Pinpoint Test X: DTC B1916 - Air Bag Driver Circuit Short to Battery Fault
- Pinpoint Test Y: DTC B1921 - Air Bag Diagnostic Monitor Ground Circuit Open
- Pinpoint Test Z: DTC B1925 - Air Bag Passenger Circuit Short to Battery Fault
- Pinpoint Test AA: DTC B1932/B1934 - Air Bag Driver Circuit Open Fault/Air Bag Driver Inflator Circuit Resistance Low On Squib Fault
- Pinpoint Test AB: DTC B1933/ B1935 - Air Bag Passenger Circuit Open Fault/Air Bag Passenger Inflator Circuit Resistance Low On Squib Fault
- Pinpoint Test AC: DTC B1936 - Air Bag Driver Circuit Short to Ground Fault
- Pinpoint Test AD: DTC B1938 - Air Bag Passenger Circuit Short to Ground Fault
- Pinpoint Test AE: DTC B1992 - Driver Side, Side Mount Air Bag Circuit Short to VBatt Fault
- Pinpoint Test AF: DTC B1993 - Driver Side, Side Mount Air Bag Circuit Short to Ground Fault
- Pinpoint Test AG: DTC B1994/B1995 - Driver Side, Side Mount Air Bag Circuit Open Fault/Driver Side, Side Mount Air Bag Circuit Low Resistance On Squib Fault
- Pinpoint Test AH: DTC B1996 - Passenger Side, Side Mount Air Bag Circuit Short to VBatt Fault
- Pinpoint Test AI: DTC B1997 - Passenger Side, Side Mount Air Bag Circuit Short to Ground Fault
- Pinpoint Test AJ: DTC B1998/B1999 - Passenger Side, Side Mount Air Bag Circuit Open Fault/Passenger Side, Side Mount Air Bag Circuit Low Resistance On Squib Fault
- Pinpoint Test AK: DTC B2227 - Front Crash Sensor Driver Communications Fault
- Pinpoint Test AL: DTC B2228 - Air Bag Driver Circuit Short to Ground Loop #2 Fault
- Pinpoint Test AM: DTC B2229 - Air Bag Passenger Circuit Short to Ground Loop #2 Fault
- Pinpoint Test AN: DTC B2230 - Air Bag Driver Circuit Short to Battery Loop #2 Fault
- Pinpoint Test AO: DTC B2231 - Air Bag Passenger Circuit Short to Battery Loop #2 Fault
- Pinpoint Test AP: DTC B2232/ B2234 - Air Bag Driver Circuit Open Fault/Air Bag Driver Inflator Circuit Resistance Low On Squib Loop #2 Fault
- Pinpoint Test AQ: DTC B2233/ B2235 - Air Bag Passenger Circuit Open Fault/Air Bag Inflator Passenger Circuit Resistance Low On Squib Loop #2 Fault
- Pinpoint Test AR: DTC B2290 - Occupant Classification System (OCS) Fault
- Pinpoint Test AS: DTC B2432 - Drivers Seat Belt Buckle Switch Circuit Open Fault
- Pinpoint Test AT: DTC B2433 - Drivers Seat Belt Buckle Switch Circuit Short to Battery Fault
- Pinpoint Test AU: DTC B2434 - Drivers Seat Belt Buckle Switch Circuit Short to Ground Fault
- Pinpoint Test AV: DTC B2435 - Drivers Seat Belt Buckle Switch Resistance Out of Range Fault
- Pinpoint Test AW: DTC B2436 - Passengers Seat Belt Buckle Switch Circuit Open Fault
- Pinpoint Test AX: DTC B2437 - Passengers Seat Belt Buckle Switch Circuit Short to Battery Fault
- Pinpoint Test AY: DTC B2438 - Passengers Seat Belt Buckle Switch Circuit Short to Ground Fault
- Pinpoint Test AZ: DTC B2439 - Passengers Seat Belt Buckle Switch Resistance Out of Range Fault
- Pinpoint Test BA: DTC B2855 - Front Crash Sensor Circuit Short to Gnd/VBatt Fault
- Pinpoint Test BB: DTC B2856 - Front Crash Sensor ID Fault
- Pinpoint Test BC: DTC B2886 - Passenger Side Crash Sensor ID Fault
- Pinpoint Test BD: DTC B2887 - Driver Side Crash Sensor ID Fault
- Pinpoint Test BE: DTC B2909 - Belt Tension Sensor Fault
- Pinpoint Test BF: DTC C1946 - Driver Seat Track Position Sensor Circuit Open Fault
- Pinpoint Test BG: DTC C1947 - Driver Seat Track Position Sensor Circuit Short to Ground Fault
- Pinpoint Test BH: DTC C1948 - Driver Seat Track Position Sensor Circuit Resistance Out of Range Fault
- Pinpoint Test BI: DTC C1981 - Driver Seat Track Position Switch Circuit Fault
- Pinpoint Test BJ: DTC C1982 - Driver Seat Track Position Switch Circuit Short to VBatt Fault
- Pinpoint Test BK: DTC U0073 - Control Module Communication Bus Off
- Pinpoint Test BL: DTC U1900 - CAN Communication Bus Fault - Receive Error
- Pinpoint Test BM: DTC U2017 - Driver Side Crash Sensor Communication Fault
- Pinpoint Test BN: DTC U2018 - Passenger Side Crash Sensor Communication Fault
- Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- General Procedures
- Supplemental Restraint System (SRS) Depowering and Repowering
- Supplemental Restraint System (SRS) Deactivation and Reactivation
- Inspection and Repair After a Supplemental Restraint System (SRS) Deployment
- Pyrotechnic Device Disposal
- Disposal of Deployable Devices and Pyrotechnic Devices That are Undeployed/Inoperative
- Disposal of Deployable Devices and Pyrotechnic Devices That Are Deployed
- Disposal of Deployable Devices and Pyrotechnic Devices That Require Manual Deployment
- Driver Air Bag Module, Passenger Air Bag Module and Seat Side Air Bag Modules - Remote Deployment
- Safety Belt Buckle Pretensioners, Safety Belt Retractor Pretensioners and Adaptive Load Limiting Safety Belt Retractors - Remote Deployment
- Safety Belt Buckle Pretensioners, Safety Belt Retractor Pretensioners and Load Limiting Safety Belt Retractors - In-Vehicle Deployment
- Safety Canopy Modules and Side Air Curtain Modules - In-Vehicle Deployment
- Deployable Steering Column - In-Vehicle Deployment
- Removal And Installation
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.