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.
Diagnostic Procedure
1995 Saturn SL1 AutomaticSECTION Diagnostic Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1996 Saturn SW2, 1996 Saturn SW1, 1996 Saturn SL2, 1996 Saturn SL1, and 1996 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.
- Using scan tool, read transmission oil temperature. If scan tool temperature reading is above -35°F (-37°C), problem is intermittent. Go to next step.
- Disconnect transmission oil temperature sensor connector. Sensor is between pressure filter and cooler line connection. Connect jumper wire between harness connector terminals. If scan tool reads greater than 284°F (140°C), possible poor connection exists or sensor is faulty. Using ohmmeter, inspect sensor and compare readings with TEMPERATURE SENSOR SPECIFICATIONS table. If scan tool reads 284°F (140°C) or less, go to next step.TEMPERATURE SENSOR SPECIFICATIONS
Temperature °F (°C) Ohms -40 (-40) 93630 -20 (-29) 46352 0 (-18) 24094 20 (-7) 13111 40 (4) 7436 60 (16) 4180 80 (27) 2554 100 (38) 1609 120 (49) 1043 140 (60) 693 160 (72) 456 180 (83) 318 200 (94) 226 220 (105) 165 248 (120) 109 284 (140) 65 - Connect jumper wire between ground and sensor harness connector terminal "A" (Orange/Black wire). If scan tool reads greater than 284°F (140°C), Black wire (terminal "B") is open or PCM is faulty. If scan tool reads 284°F (140°C) or less, Tan/White wire is open or PCM is faulty.
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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.