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 MANUALSSAAB1994900 SE, 2D HATCHBACK, 2.5 V, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSIDLE CONTROL SYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSTRANSMISSION RANGE SWITCH (EXCEPT 9000 SERIES TURBO)
1994 Saab 900 SE, 2D Hatchback, 2.5 V, Automatic
Transmission Range Switch (Except 9000 Series Turbo)
1994 Saab 900 SE, 2D Hatchback, 2.5 V, AutomaticSECTION Transmission Range Switch (Except 9000 Series Turbo)
- IAC valve receives a signal from transmission range switch. "D" (Drive) light on trip computer will glow if system is working properly.
- If system is not working properly, inspect fuse No. 13 on 900 Series, or fuse No. 9 on 9000 Series.
- With ignition on, check for battery voltage at White wire at switch, located at base of transmission selector lever. If battery voltage does not exist, repair White wire back to fuse panel.
- Set transmission selector lever to Park and Neutral positions in turn. With ignition on, no voltage should exist at Orange wire on switch with lever in either position. With lever in all other positions, battery voltage should exist at Orange wire. If voltage is as specified, go to next step. Replace switch if it does not meet specification.
- Connect DVOM to pin No. 30 (Orange wire) at fuel injection ECM. Battery voltage should exist with switch in all positions but Park or Neutral. Repair Orange wire between switch and ECM if battery voltage does not exist.
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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.