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.
Diagnostic Aids
1998 Oldsmobile Eighty-Eight LSSECTION Diagnostic Aids
WARNING: This page is about a different car, the 1997 Oldsmobile Aurora and 1997 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
An intermittent condition is likely to be caused by a poor connection at passenger inflator module harness connector terminals A or B, SDM terminal Nos. 1 or 4, or a poor wire to terminal connection in CKT 1403 or CKT 1404.
NOTE:
Test numbers refer to test numbers on diagnostic table. For circuit number identification, see WIRING DIAGRAM
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- 2) This test checks deployment loop resistance measured by SDM.
- 3) This test checks for proper contact or corrosion of passenger inflator module yellow 2-way connector.
- 10) This test isolates malfunction to one side of passenger-side air bag yellow 2-way connector.
- 12) This test checks for proper contact and/or corrosion of passenger-side air bag yellow 2-way connector.
- 17) This test checks if malfunction is in CKT 1403.
- 19) This test checks if malfunction is in CKT 1404.
RENDER: 1.0x
NO RELATED
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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.