2017 Toyota Highlander Bulb Sizes
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2017 Toyota Highlander Bulb Sizes: The Complete Guide
Owning a 2017 Toyota Highlander offers a blend of reliability and comfort, and keeping its lighting system in top shape is crucial for safety and aesthetics. Whether you're looking to replace a burnt-out bulb or considering an upgrade to LED, knowing the correct bulb sizes is the first step. This guide provides a comprehensive breakdown of all the bulb sizes for your 2017 Highlander, covering everything from headlights to interior lights.
Quick Reference
| Location | Bulb Size | Type |
|---|---|---|
| Low Beam Headlight | H11 (Halogen) | Halogen |
| Low Beam Headlight | D4S (HID) | HID (for Limited Platinum trim with HID headlights) |
| High Beam Headlight | 9005 (Halogen) | Halogen |
| Fog Light | H16 (Halogen) | Halogen (for models equipped with fog lights) |
| DRL (Daytime Running Light) | 9005 (Halogen) | Halogen (integrated with High Beam) |
| Front Turn Signal | 7440A | Incandescent/LED (depending on trim) |
| Rear Turn Signal | 7440A | Incandescent |
| Brake Light | 7443 | Incandescent |
| Tail Light | 7443 | Incandescent |
| Reverse Light | 921 | Incandescent |
| License Plate | 168 | Incandescent |
| Front Side Marker | 168 | Incandescent |
| Rear Side Marker | Integrated into taillight assembly, not separately replaceable | |
| Dome Light | DE3175 | LED (some trims) / Incandescent (others) |
| Map Light | 168 / DE3022 | LED (some trims) / Incandescent (others) |
Note on OEM Differences: The 2017 Toyota Highlander primarily uses halogen bulbs across most trims. However, the top-tier Limited Platinum trim may come equipped with factory HID (High-Intensity Discharge) projector headlights, utilizing D4S bulbs for the low beams. Some higher trims might also feature LED daytime running lights or integrated LED elements within the taillight assemblies, in which case individual bulb replacement may not be possible or necessary for those specific functions.
LED vs Halogen Upgrade Considerations
Upgrading from halogen to LED bulbs can significantly improve visibility and give your Highlander a more modern look. However, there are a few important considerations:
- CANBUS Errors: Modern vehicles like the Highlander often have a CANBUS (Controller Area Network Bus) system that monitors bulb resistance. LED bulbs draw less power, which can sometimes trigger
More specs for the 2017 Toyota Highlander
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2017 Toyota Highlander Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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