Transmission Neutral Start Switch AV2317 84540-52070 Fit for Toyota Scion 1.8L
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Transmission Neutral Start Switch AV2317 for Toyota Scion 1.8L
This Transmission Neutral Start Switch, with part numbers AV2317 and 84540-52070, is a reliable replacement component for Toyota and Scion 1.8L vehicles. This neutral start switch ensures the engine can only be started in Park or Neutral, enhancing safety and drivability for compatible models.
Overview
This Transmission Neutral Start Switch, cross-referencing OEM numbers AV2317 and 84540-52070, is an electrical safety device that prevents the starter from engaging unless the transmission is in Park or Neutral. Built for Toyota and Scion 1.8L engines, it also manages reverse light activation for clear driver feedback. This neutral start switch restores proper starting function and is a direct fit replacement for worn or faulty units.
Built For Performance
- Original equipment reference numbers AV2317 and 84540-52070 ensure correct match
- High-quality contacts deliver reliable electrical continuity for every start
- Sealed construction resists moisture and road grime for long service life
- Precise gear detection prevents accidental starts in Drive or Reverse
- Engineered to meet or exceed factory specifications for durability
Fits These Machines
- for Toyota Corolla 1.8L
- for Toyota Matrix 1.8L
- for Scion iM 1.8L
- for Scion xB 1.8L
On-The-Job Use
- Solves no-start issues when the switch fails to detect Park or Neutral
- Restores reverse light function for safe backing in parking lots or driveways
- Replaces an intermittent switch that causes ignition issues during daily use
- Essential for shops performing transmission or ignition system repairs
Specs At A Glance
| Part Number(s) | AV2317, 84540-52070 |
| Type | Transmission Neutral Start Switch |
| Engine Compatibility | 1.8L Toyota and Scion |
Good To Know
Q: Why is the neutral start switch important for my vehicle? A: It is a safety device that prevents the engine from starting in gear, which could cause sudden vehicle movement. A faulty switch can also stop the car from starting entirely or cause reverse lights to malfunction.
Q: Can I install this switch myself? A: It is possible for a DIY mechanic, as it typically involves removing the old switch and bolting on the new one. However, confirming the exact fit for your model and serial number is critical before installation.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.