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 MANUALSSAAB1995900 S, 2D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 10 (ENGINE CONTROLS - SYSTEM/COMPONENT TESTS)COMPUTERIZED ENGINE CONTROLSELECTRONIC CONTROL MODULE (ECM) (900 SERIES WITH MOTRONIC SYSTEM)POWER CIRCUIT
1995 Saab 900 S, 2D Hatchback, Standard
Power Circuit
1995 Saab 900 S, 2D Hatchback, StandardSECTION Power Circuit
WARNING: This page is about a different car, the 1996 Saab 900. However, it is still accessible from the selected car via links, so may be relevant.
- Check for battery voltage at terminals No. 26 (Pink/White wire) and No. 54 (Green/Red wire). If battery voltage exists, go to next step. If battery voltage does not exist, repair open in Pink/White wire between ECM and fuse panel.
- Turn ignition on. On 2.3L, battery voltage should exist between ECM terminal No. 58 (Yellow/Gray wire) and ground. On 2.5L, battery voltage should exist between ECM terminal No. 57 (Yellow/Gray wire) and ground. On all models, if battery voltage does not exist, repair open circuit.
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.