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 MANUALSVOLVO1993940 TURBO, 4D SEDAN, AW71REPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONRESTRAINTSAIR BAG DEACTIVATION PROCEDURESACURADISABLING & ACTIVATING AIR BAG SYSTEMDISABLING SYSTEM (LEGEND)
1993 Volvo 940 Turbo, 4D Sedan, AW71
Disabling System (Legend)
1993 Volvo 940 Turbo, 4D Sedan, AW71SECTION Disabling System (Legend)
- Ensure ignition switch is in OFF position. Disconnect both battery cable terminals. From bottom rear of steering wheel and below air bag assembly, remove maintenance lid. (access panel). See Figure. Remove Red short connector from maintenance lid (access panel).
- Disconnect driver-side air bag connector from cable reel connector. Connect Red short connector to driver-side air bag connector. See Figure. Connect SRS Short Connector "A" (07MAZ-SP0020A) to cable reel connector.
- Remove glove box. Disconnect passenger-side air bag connector from SRS main harness. Connect passenger-side air bag connector to Red short connector. See Figure. Connect another SRS short connector "A" to SRS main harness 3-pin connector.
- Access both seat belt pretensioner connectors. Locate and remove Red short connector from connector holder on seat belt pretensioner. See Figure. Disconnect SRS seat belt pretensioner harness connector. Install SRS Red short connector to SRS seat belt pretensioner connector.
- Cover seat belt pretensioner harness connector to keep terminals clean. Repeat procedure for remaining seat belt pretensioner. SRS is disabled when all Red short connectors are installed to both air bags and both seat belt pretensioners.
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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.