What Size Bulbs Does a 2017 Toyota Corolla iM Use?
Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.
Installation Difficulty
Moderate (Dust covers often present)
Est. Replacement Cost
$15 - $40 (Halogen) / $30+ (LED)
What Lighting System Does the 2017 Toyota Corolla iM Have?
The 2017 Toyota Corolla iM features an extensive lighting system with 12 bulb positions. It uses halogen technology with a single 9012 LED dual-filament bulb handling both low and high beams. The Corolla iM has been available from 2017 to 2018, and the 2017 model falls in the early-generation years.
Can You Put LED Bulbs in a 2017 Toyota Corolla iM?
Upgrading the 2017 Toyota Corolla iM to LED headlights is straightforward since it uses a single 9012 LED dual-filament bulb for both low and high beams. You only need one pair of LED bulbs to upgrade both functions. Look for a 9012 LED LED kit that specifically supports dual-filament operation to ensure both beams work correctly. For the fog lights, a LED Fog Light LED bulb provides a clean white output that pairs well with LED headlights.
How to Replace Bulbs on a 2017 Toyota Corolla iM
The 9012 bulb uses a quarter-turn bayonet mount similar to H11 but with a unique tab. To remove the old bulb, disconnect the wiring harness first, then twist the bulb counter-clockwise and pull it out. On the 2017 Corolla iM, you will likely encounter rubber dust covers behind the headlight housing. These pull off by hand or unscrew depending on the design. Allow about 15 to 20 minutes per side. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the LED Fog Light fog light socket.
Full Upgrade Bundle
Upgrade All 12 Positions at Once
2017 Toyota Corolla iM Complete Bulb Size Chart
| Position | Bulb Size | Shop |
|---|---|---|
Low Beam | 9012 LED | Buy 9012 LED |
High Beam | 9012 LED | Buy 9012 LED |
Fog Light | LED Fog Light | Buy LED Fog Light |
Brake Light | LED Bulb | Buy LED Bulb |
Side Marker | LED Bulb | Buy LED Bulb |
Turn Signal Front | 7444NA LED | Buy 7444NA LED |
Turn Signal Rear | 7440 LED | Buy 7440 LED |
Reverse Light | 921 | Buy 921 |
Dome Light | DE3175 | Buy DE3175 |
License Plate | 168 | Buy 168 |
Parking Light | LED Bulb | Buy LED Bulb |
Trunk Light | DE3022 | Buy DE3022 |
Want to upgrade everything at once?
Shop Complete LED Kit for 2017 Toyota Corolla iMHow Long Do 2017 Toyota Corolla iM Headlight Bulbs Last?
Standard halogen headlights on the 2017 Toyota Corolla iM have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 9 years old, the original bulbs on your Corolla iM are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.
What Bulbs Are Compatible with the 2017 Toyota Corolla iM?
The 9012 low beam bulb on the 2017 Toyota Corolla iM is cross-compatible with HIR2 bulbs. These share the same physical base and electrical connection, so they will fit the socket. However, 9012 is the recommended size because it is optimized for the wattage and beam pattern designed into your headlight housing. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.
2017 Toyota Corolla iM Headlight FAQ
Did Toyota Corolla iM Bulb Sizes Change Over the Years?
The Toyota Corolla iM has maintained consistent bulb sizes across all model years from 2017 to 2018. The low beam has used a 9012 LED bulb throughout, which means replacement parts and LED upgrade kits are widely available and well-tested for this model. If you find a deal on bulbs for any Corolla iM year in this range, they will fit your 2017 model.
Other Corolla iM Years
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Other Vehicles That Use 9012 LED Bulbs
These vehicles from other makes also use a 9012 LED low beam bulb: