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 MANUALSSAAB19949000 CS, 2.3 M, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESANTI-LOCK BRAKE SYSTEM - MARK IVDIAGNOSIS & TESTINGABS WARNING LIGHT DOES NOT LIGHT
1994 Saab 9000 CS, 2.3 M, Standard
Abs Warning Light Does Not Light
1994 Saab 9000 CS, 2.3 M, StandardSECTION Abs Warning Light Does Not Light
- Turn ignition off. Connect breakout box to ECU. Turn ignition on. Ensure battery voltage is present at breakout box pin No. 52. If voltage is not present, ensure bulb is okay. Check continuity of White wire between ECU terminal No. 52 and instrument cluster terminal No. 8.
- If White wire is okay, turn ignition off. Disconnect ECU and main ABS relay. Check diode by connecting an ohmmeter between breakout box pins No. 33 and 52, then reverse leads and check again. Depending on how ohmmeter leads are connected, either no resistance or greater than 2 ohms resistance should be present. If resistances are not to specification, diode is defective.
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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.