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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSSAAB19939000 CD, 2.3 B, STANDARDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMDIAGNOSIS & TESTINGABS ECU TERMINAL IDENTIFICATION
1993 Saab 9000 CD, 2.3 B, Standard
Abs Ecu Terminal Identification
1993 Saab 9000 CD, 2.3 B, StandardSECTION Abs Ecu Terminal Identification
For ABS ECU terminal identification and pin voltage specifications, see ABS ECU TERMINAL IDENTIFICATION table. Measurements can only be taken at breakout box, not ECU connector.
ABS ECU TERMINAL IDENTIFICATION
| Pin No. | Component/Function | Voltage | ||||
|---|---|---|---|---|---|---|
| 1 | Ground | (1) | ||||
| 2 | Left Front Outlet Valve | (1) | ||||
| 3 | Reference Voltage | 12 | ||||
| 4, 5, 6, 7 & 8 | Not Used | N/A | ||||
| 9 | Automatic Slip Reduction Right Rear | (2) | ||||
| 10 | Automatic Slip Reduction Left Front | (2) | ||||
| 11 | Automatic Slip Reduction Right Front | (2) | ||||
| 12 | Automatic Slip Reduction Left Rear | (2) | ||||
| 13 & 14 | Not Used | N/A | ||||
| 15 | Pump Relay Terminal No. 85 | 12 | ||||
| 16 | Travel Sensor | 1-10 | ||||
| 17 | Not Used | N/A | ||||
| 18 | Right Rear Outlet Valve | (1) | ||||
| 19 | Ground | (1) | ||||
| 20 | Left Front Inlet Valve | (1) | ||||
| 21 | Right Front Outlet Valve | (1) | ||||
| 22 | Not Used | N/A | ||||
| 23 | Diagnostic Lead | (1) | ||||
| 24, 25 & 26 | Not Used | N/A | ||||
| 27 | Right Rear Wheel Sensor | Zero | ||||
| 28 | Left Front Wheel Sensor | Zero | ||||
| 29 | Right Front Wheel Sensor | Zero | ||||
| 30 | Left Front Wheel Sensor | Zero | ||||
| 31 | Pump Sensor | Approx .7 AC | ||||
| 32 | Brake Light Switch | 12 | ||||
| 33 | Power Supply | 12 | ||||
| 34 | Main Relay | (1) | ||||
| 35 | Not Used | N/A | ||||
| 36 | Left Rear Outlet Valve | (1) | ||||
| 37 | Not Used | N/A | ||||
| 38 | Right Front Inlet Valve | (1) | ||||
| 39 & 40 | Not Used | N/A | ||||
| 41 | Travel Sensor | (1) | ||||
| 42 | Diagnostic Lead | N/A | ||||
| 43 & 44 | Not Used | N/A | ||||
| 45 | Right Rear Wheel Sensor | .15-.70 | ||||
| 46 | Left Rear Wheel Sensor | .15-.70 | ||||
| 47 | Right Front Wheel Sensor | .15-.70 | ||||
| 48 | Left Front Wheel Sensor | .15-.70 | ||||
| 49 | Pump Sensor | Approx. .7 AC | ||||
| 50 & 51 | Not Used | N/A | ||||
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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.