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, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM - MARK IV
1994 Saab 9000 CS, 2.3 M, Automatic
Anti-Lock Brake System - Mark IV
1994 Saab 9000 CS, 2.3 M, AutomaticSECTION Anti-Lock Brake System - Mark IV
- Description
- Operation
- Service
- Bleeding Brake System
- Trouble Shooting
- Diagnosis & Testing
- Abs Ecu Terminal Identification
- Abs Warning Light Does Not Light
- Brake Fluid Level Warning Light Does Not Light
- Retrieving Trouble Codes
- Notes
- Trouble Codes 42251 Or 22251 (Loss Of Supply Voltage)
- Trouble Codes 44221, 24221, 2422A, 24251, 24291 (Left Front Wheel Sensor)
- Trouble Codes 44222, 24222, 2422B, 24252, 24292 (Right Front Wheel Sensor)
- Trouble Codes 44223, 24223, 2422C, 24253, 24293 (Left Rear Wheel Sensor)
- Trouble Codes 44224, 24224, 2422D, 24254, 24294 (Right Rear Wheel Sensor)
- Trouble Code 53421 Or 33421 (Left Front Inlet Valve)
- Trouble Code 53422, 33422, 334B1 (Left Front Outlet Valve)
- Trouble Code 53423 Or 33423 (Right Front Inlet Valve)
- Trouble Code 53424, 33424, 334B2 (Right Front Outlet Valve)
- Trouble Code 33425 Or 53425 (Left Rear Inlet Valve)
- Trouble Codes 53426, 33426, 334B3 (Left Rear Outlet Valve)
- Trouble Codes 53427 Or 33427, (Right Rear Inlet Valve)
- Trouble Codes 53428, 33428, 334B4 (Right Rear Outlet Valve)
- Trouble Code 775B1 (ECU Fault)
- Trouble Code 775B2 (ECU RAM Fault)
- Trouble Codes 45721, 25721 (Travel Sensor Fault)
- Trouble Code 24791 (Pump Does Not Operate Despite Control Signal)
- Trouble Codes 44792, 24792 (Pump Operates Without Control Signal)
- Trouble Code E75B1 (Hydraulic Fault)
- Final Check
- Removal & Installation
- Torque Specifications
- Wiring Diagram
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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.