What is the function of the Park/Neutral position switch and how is it adjusted on Lexus ES300?

The Park/Neutral position switch which does not allow the engine to crank in any gear other than Park or Neutral; and if it starts in any other position, the switch needs to be adjusted. This switch also functions as an information sensor for the (ECT Electronic Controlled Transaxle) Electronic Control Unit as it gives electrical input in the form of a voltage signal when the shift lever is in place. To test the switch, lift the front of the vehicle and support it with jackstands disconnected the electrical connector and with an ohmmeter test for continuity between the referenced terminals for each switch position. If the continuity is not as what is specified, then it is advisable to replace the switch. For replacement, raise the front of the, vehicle again, disconnect the electrical connector, remove the manual lever retaining nut, take off the manual lever, remove the switch retaining bolts to delete the switch. It is done in the reverse order that was applied during removal so that the switch is set as desired. For adjustment, the switch retaining bolts need to be loosened, the switch rotated until the groove and neutral basic line is in position then tightening the bolts to hold the switch in position.

Genuine Lexus ES300 Neutral Safety Switch

Transmission Neutral Safety Switch

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6 Neutral Safety Switches found

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Lexus ES300 Switch Assy, Neutral Start
Part Number: 84540-12200
$169.30 MSRP: $230.82
You Save: $61.52 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Neutral Safety Switch
- Manufacturer Note: TOKAIRIKA
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 1998-2001 Lexus ES300 | 6 Cyl 3.0L | 1MZFE; 1MZFE; MCV20L-BTPGKA, MCV20L-BTPGKK
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Lexus ES300 Switch Assy, Neutral Start
Part Number: 84540-12230
$137.50 MSRP: $185.95
You Save: $48.45 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 84540-06010
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2002-2003 Lexus ES300 | 6 Cyl 3.0L | 1MZFE; 1MZFE; MCV30L-BEAGKA
View related parts
Lexus ES300 Switch Assy, Neutral Start
Part Number: 84540-20200
$169.30 MSRP: $230.82
You Save: $61.52 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Neutral Safety Switch
- Manufacturer Note: BRAZIL SPEC
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 1993-2001 Lexus ES300 | 6 Cyl 3.0L | 1MZFE; 1MZFE; MCV10L-BTPGKA, MCV10L-BTPGKK, MCV20L-BTPGKA, MCV20L-BTPGKK
View related parts
Lexus ES300 Switch Assy, Neutral Start
Part Number: 84540-12210
$169.30 MSRP: $230.82
You Save: $61.52 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Neutral Safety Switch
- Manufacturer Note: MATSUSHITA
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 1998-2001 Lexus ES300 | 6 Cyl 3.0L | 1MZFE; 1MZFE; MCV20L-BTPGKA, MCV20L-BTPGKK
View related parts
Lexus ES300 Switch Assy, Neutral Start
Part Number: 84540-48010
$137.50 MSRP: $185.95
You Save: $48.45 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 84540-0E010
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2003 Lexus ES300 | 6 Cyl 3.3L | 3MZFE; 3MZFE; MCV31L-BEAGKA
View related parts
Lexus ES300 Switch Assy, Neutral Start
Part Number: 84540-32090
Product Specifications
- Other Name: Neutral Safety Switch
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 1992-1994 Lexus ES300 | 6 Cyl 3.0L | 3VZFE; 3VZFE; VCV10L-BTPGKA, VCV10L-BTPGKK

Lexus ES300 Neutral Safety Switch

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus ES300 Neutral Safety Switch available on LexusPartsNow.com. Our OEM Lexus ES300 Neutral Safety Switch come with the reassurance of the manufacturer's warranty, a hassle-free return policy, and speedy delivery service, all at affordable prices online. Feel free to shop with confidence!

Lexus ES300 Neutral Safety Switch Parts Questions & Experts Answers

Switch Assy, Neutral Start
84540-20200
Q: What is the function of the Park/Neutral position switch and how is it adjusted on Lexus ES300?
A: The Park/Neutral position switch which does not allow the engine to crank in any gear other than Park or Neutral; and if it starts in any other position, the switch needs to be adjusted. This switch also functions as an information sensor for the (ECT Electronic Controlled Transaxle) Electronic Control Unit as it gives electrical input in the form of a voltage signal when the shift lever is in place. To test the switch, lift the front of the vehicle and support it with jackstands disconnected the electrical connector and with an ohmmeter test for continuity between the referenced terminals for each switch position. If the continuity is not as what is specified, then it is advisable to replace the switch. For replacement, raise the front of the, vehicle again, disconnect the electrical connector, remove the manual lever retaining nut, take off the manual lever, remove the switch retaining bolts to delete the switch. It is done in the reverse order that was applied during removal so that the switch is set as desired. For adjustment, the switch retaining bolts need to be loosened, the switch rotated until the groove and neutral basic line is in position then tightening the bolts to hold the switch in position.