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Your 2016 Scion iM Engine Oil Pressure Switch: A Complete Replacement Guide

Understanding the oil pressure warning light on your 2016 Scion iM and what to do about it.

3 minutes to read 2016-2016 Scion iM
Difficulty
2/5
Est. Time
1 hrs
DIY Doable?
✅ Yes
Shop Labor
$98-$143
⚠️ Drivable, but... — Only if you have confirmed the oil level is correct and the engine is not making any unusual noises; drive directly to a repair shop as your safety warning system is compromised.
Key Takeaways
  • The primary symptom of failure is a red oil pressure light on the dash; do not ignore it.
  • You must determine if the light is from a bad sensor or actual low oil pressure. Engine noise means it's a serious, stop-driving-now problem.
  • Aftermarket switches from brands like Standard Ignition and Holstein are affordable alternatives to the OEM part for this vehicle.
  • There are no recalls or TSBs for this specific issue on the 2016 Scion iM, indicating it is not a widespread factory defect.
The engine oil pressure switch in your 2016 Scion iM is a small but vital sensor. Its main job is to monitor the oil pressure inside your 1.8L 2ZR-FAE engine. This pressure is what keeps all the moving parts of your engine properly lubricated. The switch acts as a safety guard; if the pressure drops to a dangerously low level, it triggers the red oil can warning light on your dashboard. This gives you an immediate alert to a problem that could cause serious engine damage if ignored.

Is Your Scion iM Oil Pressure Light On?

The most common sign of a problem with your engine oil pressure switch is the red oil pressure warning light on your dashboard. This light looks like an old-fashioned oil can. You might see it flicker intermittently, especially at idle, or it may stay on constantly. In some cases, the sensor itself can fail and leak oil. You might notice a small oil drip on the garage floor or see oil residue on the sensor or its electrical connector. It's important not to confuse the red oil pressure warning light with the maintenance reminder that tells you it's time for an oil change. 🎬 See how to reset your Toyota Corolla maintenance oil light. The red warning light indicates a potential immediate problem with oil pressure.

Warning: Sensor Failure vs. Low Oil Pressure

A faulty switch can trigger the warning light even when the oil pressure is fine. However, the light also comes on for actual low oil pressure, which is an emergency that can destroy your engine. If the light comes on and you hear new engine noises like ticking, clattering, or knocking, pull over immediately and turn off the engine. Driving with actual low oil pressure can lead to catastrophic engine failure.

Choosing the Right Aftermarket Oil Pressure Switch

For the 2016 Scion iM, the original Toyota switch is a reliable part, but aftermarket options offer significant savings and can be a practical choice for this repair. Since there are no widespread recalls or TSBs related to this specific part on your vehicle, a quality aftermarket switch is a reasonable replacement. Brands like Holstein, Rostra Powertrain, and Standard Ignition are available.

  • Standard Ignition (SMP): 🎬 Watch this step-by-step Toyota and Scion oil pressure switch replacement. A widely available aftermarket brand offering a direct-fit replacement. It's a common choice for general repairs.
  • Holstein: Often considered a budget-friendly brand. Some user feedback suggests their sensor quality is decent for the price point.
  • Rostra Powertrain: Another available aftermarket option for this part.

When choosing an aftermarket part, check the warranty. Even budget-friendly parts should come with a warranty that protects you from defects.

Cost to Replace the Engine Oil Pressure Switch on a 2016 Scion iM

Item Estimated Cost
New Aftermarket Part $9.52 - $30.05
New OEM Part $20.00 - $66.00
Shop Labor $98 - $143
Total (Shop, Aftermarket Part) $108 - $174
Total (Shop, OEM Part) $118 - $209

Frequently Asked Questions

Can I drive my Scion iM with the oil pressure light on?

It is not recommended. If the light is on, you should first safely pull over, turn off the engine, and check your oil level. If the oil level is correct and there are no strange engine noises, it may be a faulty sensor. In this case, you might be able to drive cautiously to a repair shop, but you are doing so without a functioning oil pressure warning system. If the oil is low or you hear any knocking or ticking, do not drive the vehicle and call for a tow.

Is it hard to replace the oil pressure switch myself?

For a DIYer with some experience, this is a manageable job. It requires locating the sensor on the engine block, disconnecting the electrical connector, and using a special deep socket (often 24mm) to unscrew it. Access can be tight, and on some similar Toyota engines, other parts like the intake manifold may need to be removed, which increases the difficulty. Always disconnect the battery before starting and use a torque wrench for the new part.

🎬 Watch a mechanic change an oil pressure sensor on a Corolla.
Is an aftermarket switch good enough, or should I buy the OEM Toyota part?

For this specific part on the 2016 Scion iM, a quality aftermarket switch is a cost-effective and reliable option. The OEM part is also not excessively expensive. Given that this is not a common failure point covered by service bulletins, either choice is valid. The main benefit of aftermarket is the lower price, while the OEM part gives peace of mind with a factory-guaranteed fit and function.

Are there any recalls for the oil pressure switch on the 2016 Scion iM?

No. There are no NHTSA recalls or technical service bulletins (TSBs) specifically for a faulty engine oil pressure switch on the 2016 Scion iM.

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Technical Specifications

OEM Part Numbers: 83530-12050 83530-12060 83530-12070

Fits the 1.8L 4-cylinder 2ZR-FAE engine. Typically uses a single-pin electrical connector.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Apr 6, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Engine Oil Pressure Switch for:
  • Scion iM: 2016
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