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.
2020 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Inhibitor Switch: Installation
- Temporarily install the inhibitor switch.
- Connect the inhibitor harness connector to the inhibitor switch.
- Install the shifter arm and fix with a new spring pin.
- Shift the shifter arm to "N" range.
- Install the ST vertically in the cutout of shifter arm and the hole of switch body.
Preparation tool:
ST: STOPPER PIN (499267300)
- Tighten the two bolts holding the inhibitor switch.
Tightening torque:
5 N.m (0.5 kgf-m, 3.7 ft-lb)
- Connect the select cable, and install the washer and snap pin.CAUTION: Do not apply excessive load while holding the part (a).
- Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- After installation of inhibitor switch, check the following points.
- The select indicator matches the select lever position when the select lever is changed from "P" range to "D" range.
- The select lever position and the position mark match each other.
- Operating force to move the select lever from "P" to "D" range
Factory Service Tools
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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.