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 MANUALSSAAB19879000 L4-1985CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETESTING AND INSPECTIONPINOUT VALUES AND DIAGNOSTIC PARAMETERSOHMS MEASUREMENTS
1987 Saab 9000 L4-1985cc 2.0L DOHC
Ohms Measurements
1987 Saab 9000 L4-1985cc 2.0L DOHCSECTION Ohms Measurements
25 Position ECU Plug:
For Terminal ID please refer to "Powertrain Management : Computers and Control Systems : Engine Control Module : Diagrams". Connector Views
CAUTION: When measuring Ohms, disconnect the ECU from the harness plug and never turn the ignition key on. It is possible that failure to follow these steps will result in damage to the ECU.
Grounds
Coolant Temperature Sensor
Throttle Switch
Fuel Pump Relay
Air Flow Sensor
Single Injector
ISC Valve
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.