Scion iM Maintenance Guide — And Why It's a Corolla iM
- Oil and service specs for the 1.8L 2ZR-FAE Valvematic
- Why searching “Corolla iM” finds more than “Scion iM”
- The 2016 instrument cluster software recall
- What Valvematic means for maintenance
TL;DR: The Scion iM existed for a single model year (2016) before becoming the Toyota Corolla iM, so the most useful ownership tip is to search under the Corolla iM name — it’s the same car with vastly more parts listings and service discussion behind it. It takes 0W-20 full synthetic (about 4.4 quarts) on a 5,000-mile interval, uses a timing chain, and has no scheduled belt service. Check NHTSA recall 16V-857, a cluster software fault that can leave the display blank at startup.
The iM arrived for Scion’s final model year and outlived the brand under a different badge. That split identity is the single most practical thing to understand about owning one.
What Are the Scion iM’s Service Specs?
| Spec | Value |
|---|---|
| Engine | 1.8L 2ZR-FAE Valvematic (137 hp) |
| Oil type | 0W-20 full synthetic |
| Capacity | ~4.4 qt |
| Oil interval | 5,000 mi conventional / up to 10,000 mi full synthetic |
| Drain plug torque | ~29 ft-lbs |
| Transmission | 6-speed manual or CVT |
| Timing system | Chain — no scheduled replacement |
Verify torque figures against the service manual for your car before tightening. Broader intervals — filters, brake fluid, coolant — are on the Scion maintenance dashboard.
What Valvematic changes about maintenance
The 2ZR-FAE differs from the plain 2ZR-FE in the xD by adding Valvematic, Toyota’s continuously variable valve lift system. In practice this means slightly more power and better efficiency, and no additional scheduled maintenance — there’s no separate Valvematic service item.
What it does mean is that oil quality matters more than usual. Variable lift mechanisms depend on clean oil at the correct viscosity to actuate properly. Stick to 0W-20 full synthetic and don’t stretch intervals; a neglected Valvematic engine is a more expensive problem than a neglected conventional one.
Why Should I Search for “Corolla iM” Instead of “Scion iM”?
Because it’s the same car, and the Corolla iM name has far more parts listings, forum threads and service documentation attached to it. Scion wound down after 2016 and the iM continued unchanged as the Toyota Corolla iM for 2017–2018 before folding into the Corolla Hatchback.
This is genuinely useful rather than trivia:
- Parts searches return more results under Corolla iM, and often at better prices
- Forum and repair discussion is concentrated under the Toyota name
- The underlying car is the Toyota Auris, sold in Europe and elsewhere — another search term worth trying for deeper technical material
Your VIN still identifies the car correctly as a 2016 Scion iM, and any Toyota dealer can service it and look up its history. The name change is a marketing artifact, not a mechanical one.
What Recalls Affect the Scion iM?
NHTSA campaign 16V-857 is the one to check. A software fault in the combination meter can cause the instrument cluster display and warning lights to freeze or stay blank at engine start. Driving without a working speedometer or active warning lamps is a genuine safety issue, and the fix is a free software reflash at any Toyota dealer.
Check your VIN through the Scion recall checker and confirm live status at Toyota’s official recall lookup. The repair costs nothing and safety recalls never expire.
Frequently Asked Questions
Is the Scion iM the same as the Toyota Corolla iM?
Yes. The 2016 Scion iM became the 2017 Toyota Corolla iM with no meaningful mechanical change when Scion wound down. Parts, service procedures and repair information are interchangeable, and searching under the Corolla iM name generally returns far more results.
Did the Scion iM come with a manual transmission?
Yes — the iM was offered with a 6-speed manual as well as a CVT. Manual cars are the less common of the two and are sought after by enthusiasts for that reason.
Does the Scion iM need special maintenance for Valvematic?
No separate scheduled service, but oil discipline matters more than on a conventional engine. Variable valve lift hardware depends on clean oil at the specified viscosity, so use 0W-20 full synthetic and avoid stretching change intervals.
Verify your VIN against open recalls — the cluster reflash is free. More on the Scion iM owner hub, or decode your VIN to confirm your exact build.
More for your Scion
Scion iM Hub
All guides, articles, and builds for the iM.