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.
2000 Ford ZX2 StandardFACTORY OEM SERVICE PROCEDURE
Section 249 (Supplemental Inflatable Restraint System)
WARNING: This page is about a different car, the 2004 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
- Description & Operation
- Component Locations
- System Operation Check
- Air Bag Safety Precautions
- Disabling & Activating Air Bag System
- Disposal Procedures
- Post-Collision Inspection
- Removal & Installation
- Notes
- Center Console
- CLOCKSPRING (Automatic Transmission)
- Driver-Side Air Bag Module
- Front Impact Sensor
- Front Seat
- Front Seat Back
- Instrument Cluster
- Instrument Panel
- Passenger-Side Air Bag Module
- Restraints Control Module (RCM)
- Seat Belt PRETENSIONER
- Seat Track Position Sensor (Seat Belt Retractor PRETENSIONER)
- Side Air Bag Module (Seat Belt Retractor PRETENSIONER)
- Side Crash Sensor
- Steering Column
- Steering Wheel
- Adjustments
- Wire Repair
- Torque Specifications
- Diagnostics
- Diagnostic Tests
- Notes
- RCM Does Not Respond
- Test A: No Communication With RCM
- Test B: Air Bag Warning Light On Continuously
- Test C: Crash Data Memory Full (DTC B1231)
- Test D: Driver-Side Air Bag Circuit Short To Battery (DTC B1916)
- Test E: Driver-Side Air Bag Circuit Open (DTC B1932)
- Test F: Driver-Side Air Bag Circuit Capacitance Out Of Range (DTC B1915)
- Test G: Passenger-Side Air Bag Short To Battery (DTC B1925)
- Test H: Passenger-Side Air Bag Circuit Open (DTC B1933)
- Test I: Passenger-Side Air Bag Circuit Capacitance Out Of Range (DTC B1920)
- Test J: Left Side Air Bag Circuit Short To Battery (DTC B1992)
- Test K: Left Side Air Bag Circuit Open (DTC B1994)
- Test L: Left Side Air Bag Circuit Capacitance Out Of Range (DTC B2117)
- Test M: Right Side Air Bag Circuit Short To Battery (DTC B1996)
- Test N: Right Side Air Bag Circuit Open (DTC B1998)
- Test O: Right Side Air Bag Circuit Capacitance Out Of Range (DTC B2118)
- Test P: Left Side Crash Sensor Internal Fault/Short To Ground Or Battery (DTC B2853, B2854, B2873 Or U2027)
- Test Q: Right Side Crash Sensor Internal Fault/Short To Ground Or Battery (DTC B2852, B2874, B2875 Or U2028)
- Test R: Left Seat Belt PRETENSIONER Short To Battery (DTC B1878)
- Test S: Left Seat Belt PRETENSIONER Circuit Open (DTC B1877)
- Test T: Left Seat Belt PRETENSIONER Circuit Failure (DTC B1876)
- Test U: Right Seat Belt PRETENSIONER Short To Battery (DTC B1882)
- Test V: Right Seat Belt PRETENSIONER Circuit Open (DTC B1881)
- Test W: Right Seat Belt PRETENSIONER Circuit Failure (DTC B1880)
- Test X: Driver-Side Air Bag Circuit Short To Ground (DTC B1936)
- Test Y: Driver-Side Air Bag Inflator Circuit Resistance Low (DTC B1934)
- Test Z: Passenger-Side Air Bag Circuit Short To Ground (DTC B1938)
- Test Aa: Passenger-Side Air Bag Inflator Circuit Resistance Low (DTC B1935)
- Test Ab: Left Side Air Bag Circuit Short To Ground (DTC B1993)
- Test Ac: Left Side Air Bag Circuit Low Resistance (DTC B1995)
- Test Ad: Right Side Air Bag Circuit Short To Ground (DTC B1997)
- Test AE: Right Side Air Bag Circuit Low Resistance (DTC B1999)
- Test AF: Left Seat Belt PRETENSIONER Circuit Short To Ground (DTC B1879)
- Test Ag: Left Seat Belt PRETENSIONER Circuit Resistance Low (DTC B1885)
- Test Ah: Right Seat Belt PRETENSIONER Circuit Short To Ground (DTC B1883)
- Test Ai: Right Seat Belt PRETENSIONER Circuit Resistance Low (DTC B1886)
- Test AJ: Air Bag Warning Light Circuit Open (DTC B1869)
- Test AK: Air Bag Warning Light Circuit Short To Battery (DTC B1870)
- Test Al: Driver-Side Air Bag Second Stage IGNITOR Failure (DTC B2228, B2230, B2232 Or B2234)
- Test Am: Passenger-Side Air Bag Second Stage IGNITOR Failure (DTC B2229, B2231, B2233 Or B2235)
- Test An: Seat Belt Switch Circuit Failure (DTC B1462)
- Test AO: Left Front Seat Belt Switch Failure (DTCS B2433, B2434 & B2435)
- Test AP: Right Front Seat Belt Switch Failure (DTCS B2437, B2438 & B2439)
- Test AQ: Left Front Seat Track Position Sensor Failure (DTC C1947, C1948 & C1982)
- Test Ar: Front Impact Sensor Failure (DTCS B2855, B2226, B2227 & B2856)
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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