How is the Neutral Safety Switch adjusted or replaced on a Toyota Sienna?

This mechanism is called the Park/Neutral position switch, and this switch will not allow the engine to start in any other gear rather than Park and Neutral, and in case the engine starts in other gears, there needs adjustment in that switch. This same switch also gets used as the shift lock solenoid and acts as a sensor for ECT information for the ECM and sends a voltage signal when the shift lever is in the proper position. For verification of the switch, make it stand the front part of the vehicle on jackstands, disconnect the electrical connector and use an ohmmeter to measure the conductivity between the terminals indicted for each position of the switch; if the conductivity is not in the range as specified then replace the switch. For replacement, again raise the front of the vehicle, pull the electrical connector, removing the nut of the manual-lever, take out the manual lever, remove bolts and finally the switch. After that, the installation happens in the reverse order to check that the switch is well set. For adjustment, use a spanner to unscrew switch retaining bolts then turn the switch until the groove faces the neutral basic line then hold it to be tight by screwing the retaining bolts.

Genuine Toyota Sienna Neutral Safety Switch

Transmission Neutral Safety Switch

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7 Neutral Safety Switches found

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Toyota Sienna Neutral Start Switch Assembly
Part Number: 84540-07010
$134.77 MSRP: $191.60
You Save: $56.83 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assy, Neutral Start
- Manufacturer Note: (L)
- Replaces: 84540-33010
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2011-2017 Toyota Sienna | LE, SE, STD, XLE | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE, 2GRFE; ASL30L-PFTEKA, 2GRFKS; ASL30L-PFTEKA, ASL30L-PRTEKA, GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PFZDHA, GSL30L-PFZEHA, GSL30L-PFZQHA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL30L-PRZEHA, GSL30L-PRZQHA, GSL30L-PRZSHA, GSL33L-SBTDKA, GSL33L-SBZDHA, GSL33L-SEZDHA, GSL35L-PFTDKA, GSL35L-PFTEKA, GSL35L-PFTQKA, GSL35L-PFZEHA, GSL35L-PFZQHA
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Toyota Sienna Neutral Start Switch Assembly
Part Number: 84540-0E010
$148.23 MSRP: $210.73
You Save: $62.50 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Switch Assy, Neutral Start; Neutral Safety Switch, Range Sensor
- Manufacturer Note: (L)
- Replaces: 84540-48010
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2010 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L, 6 Cyl 3.5L | 2GRFE, 3MZFE; GSL20L-PFADKK, GSL20L-PFAEKA, GSL20L-PFAEKK, GSL20L-PFAQKA, GSL20L-PFAQKK, GSL20L-PRADKK, GSL20L-PRAEKA, GSL20L-PRAEKK, GSL20L-PRAQKA, GSL20L-PRAQKK, GSL23L-SBADKA, GSL23L-SBADKK, GSL25L-PFADKK, GSL25L-PFAEKA, GSL25L-PFAEKK, GSL25L-PFAQKA, GSL25L-PFAQKK, MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
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Toyota Sienna Neutral Start Switch Assembly
Part Number: 84540-06010
$148.23 MSRP: $210.73
You Save: $62.50 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assy, Neutral Start; Neutral Safety Switch, Range Sensor
- Manufacturer Note: (L)
- Replaces: 84540-12230, 84540-32110
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2004-2005 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.3L | 3MZFE; MCL20L-PFADKK, MCL20L-PFAEKA, MCL20L-PFAEKK, MCL20L-PFAQKA, MCL20L-PFAQKK, MCL20L-PRADKK, MCL20L-PRAEKA, MCL20L-PRAEKK, MCL20L-PRAQKA, MCL20L-PRAQKK, MCL23L-SBADKA, MCL23L-SBADKK, MCL25L-PFADKK, MCL25L-PFAEKA, MCL25L-PFAEKK, MCL25L-PFAQKA, MCL25L-PFAQKK
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Toyota Sienna Neutral Start Switch Assembly
Part Number: 84540-20200
$167.30 MSRP: $237.84
You Save: $70.54 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assy, Neutral Start; Neutral Safety Switch
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 1998-2003 Toyota Sienna | CE, LE | 6 Cyl 3.0L | 1MZFE; MCL10L-GFSDKA, MCL10L-GFSDKK, MCL10L-GFSGKA, MCL10L-GFSGKK, MCL10L-PFSDKA, MCL10L-PFSDKK, MCL10L-PFSGKA, MCL10L-PFSGKK, MCL10L-SESDKA, MCL10L-SESDKK
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Toyota Sienna Switch Assembly, Neutral
Part Number: 84540-33020
$148.23 MSRP: $210.73
You Save: $62.50 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assy, Neutral Start
- Manufacturer Note: (J)
- Replaced by: 84540-06021
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2016-2020 Toyota Sienna | LE, SE, STD, XLE | 6 Cyl 3.5L | 2GRFE, 2GRFKS; GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PFZDHA, GSL30L-PFZEHA, GSL30L-PFZQHA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL30L-PRZEHA, GSL30L-PRZQHA, GSL30L-PRZSHA, GSL33L-SBTDKA, GSL33L-SBZDHA, GSL33L-SEZDHA, GSL35L-PFTEKA, GSL35L-PFTQKA, GSL35L-PFZEHA, GSL35L-PFZQHA, GSL35L-PFZSHA
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Toyota Sienna Automatic Transmission Gear Position Sensor
Part Number: 89451-10010
$151.74 MSRP: $215.72
You Save: $63.98 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Shift Lever; Range Sensor
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2021-2024 Toyota Sienna | 4 Cyl 2.5L | A25AFXS; AXLH40L-PNXLHA, AXLH40L-PNXSHA, AXLH40L-PNXXHA, AXLH40L-PPXEHA, AXLH40L-PPXXHA, AXLH45L-PNXLHA, AXLH45L-PNXSHA, AXLH45L-PNXXHA, AXLH45L-PPXEHA
View related parts
Toyota Sienna Neutral Start Switch Assembly
Part Number: 84540-33010
$134.77 MSRP: $191.60
You Save: $56.83 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assy, Neutral Start
- Manufacturer Note: (J)
- Replaced by: 84540-07010
- Warranty: This genuine Toyota part is covered by warranty.
Fits the following Vehicles:
- 2011-2015 Toyota Sienna | LE, SE, STD, XLE | 4 Cyl 2.7L, 6 Cyl 3.5L | 1ARFE, 2GRFE; ASL30L-PFTEKA, ASL30L-PRTEKA, GSL30L-PFTDKA, GSL30L-PFTEKA, GSL30L-PFTQKA, GSL30L-PRTEKA, GSL30L-PRTQKA, GSL30L-PRTSKA, GSL33L-SBTDKA, GSL35L-PFTDKA, GSL35L-PFTEKA, GSL35L-PFTQKA

Toyota Sienna Neutral Safety Switch

The Toyota Sienna Neutral Safety Switch is a device that prevents the engine from cranking if the transmission lever is not in park or neutral. The Neutral Safety Switch is installed in the starter control circuit, which blocks the flow of electricity until the shifter indicates an acceptable gear. This prevents the engine from starting while the vehicle is in a gear that would allow it to move unintentionally. Within the wiring loom of a Toyota Sienna, there is a Neutral Safety Switch. This small electrical gate remains closed when in drive or reverse. However, it opens as soon as neutral or park is chosen, and current can then reach the starter motor. This arrangement makes the Neutral Safety Switch a central part of the safety logic built into every Toyota Sienna ignition sequence. Due to the device's response being purely physical to the gear selector's position, the driver is not required to do anything beyond normal gear selection. If the shift handle does not reach the correct detent, the Neutral Safety Switch will withhold power, and the key will not energize the starter, thus protecting the operator of the Toyota Sienna.

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Toyota Sienna Neutral Safety Switch Parts Questions & Experts Answers

Neutral Start Switch Assembly
84540-20200
Q: How is the Neutral Safety Switch adjusted or replaced on a Toyota Sienna?
A:
This mechanism is called the Park/Neutral position switch, and this switch will not allow the engine to start in any other gear rather than Park and Neutral, and in case the engine starts in other gears, there needs adjustment in that switch. This same switch also gets used as the shift lock solenoid and acts as a sensor for ECT information for the ECM and sends a voltage signal when the shift lever is in the proper position. For verification of the switch, make it stand the front part of the vehicle on jackstands, disconnect the electrical connector and use an ohmmeter to measure the conductivity between the terminals indicted for each position of the switch; if the conductivity is not in the range as specified then replace the switch. For replacement, again raise the front of the vehicle, pull the electrical connector, removing the nut of the manual-lever, take out the manual lever, remove bolts and finally the switch. After that, the installation happens in the reverse order to check that the switch is well set. For adjustment, use a spanner to unscrew switch retaining bolts then turn the switch until the groove faces the neutral basic line then hold it to be tight by screwing the retaining bolts.