ABS Warning Light Inoperative

1999 Saab 9-3 Base, 2D Hatchback, AutomaticSECTION ABS Warning Light Inoperative
  1. Disconnect ABS ECM connector. Turn ignition on. Connect jumper wire between ABS ECM connector terminals No. 19 and 21. See Figure . If ABS light does not come on, go to next step. If ABS light comes on, check ABS ECM connector terminals for dampness, corrosion, or looseness. Repair as necessary. If ABS light still does not operate, replace ABS ECM.
  2. Check for an open circuit in wire between ABS ECM terminal No. 21 and instrument cluster connector terminal No. 16. Repair as necessary. If circuit is okay, replace instrument cluster. If ABS light is still inoperative, replace ABS ECM.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.