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Toyota 84210-12040 Switch Assy, Back-Up Lamp

1988-2013 Toyota 8421012040

Toyota 84210-12040 Switch Assy, Back-Up Lamp
  • Part Description
    Switch Assy, Back-Up Lamp
  • Part Name Code
    84210
  • Replaced By
    84210-52050
  • Manufacturer
    Toyota
Customer Questions & Answers
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  • Product Specifications

    BrandGenuine Toyota
    Part Name Code84210
    Manufacturer Part Number84210-12040
    Part DescriptionSwitch Assy, Back-Up Lamp
    Item Dimensions13.1 x 11.2 x 2.1 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerToyota
    SKU84210-12040
    WarrantyThis genuine Toyota part is guaranteed by Toyota's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Trim & Engine Important vehicle option details
    2005-2013 Scion tCG|4 Cyl 2.4L, 4 Cyl 2.5L2ARFE, 2AZFE; 2ARFE, 2AZFE; AGT20L-ALFGKA, AGT20L-ALFGKK, ANT10L-ALMGKA
    2004-2006 Scion xA4 Cyl 1.5L1NZFE; 1NZFE; NCP61L-HHMNKA
    2008-2013, 2004-2006 Scion xB4 Cyl 1.5L, 4 Cyl 2.4L1NZFE, 2AZFE; 1NZFE; NCP31L-DHMNKA, 2AZFE; AZE151L-FHMNKA, AZE151L-FHMNKK
    1989-2001 Toyota 4RunnerDLX, SR5, SR5B, SR5V, STD|4 Cyl 2.4L, 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.4L22R, 22RE, 3RZFE, 3VZE, 5VZFE; 22R, 22RE, 3RZFE, 3VZE, 5VZFE; RN101L-TRLDEA, RN101L-TRLDEAB, RN101L-TRLDEK, RN101L-TRLSEA, RN101L-TRLSEA3, RN101L-TRMDEA, RN101L-TRMDEA3, RN101L-TRMDEAB, RN101L-TRMDEK, RN101L-TRMSEA, RN101L-TRMSEA3, RN106L-TRLDEA, RN106L-TRLDEK, RN106L-TRMDEA, RN106L-TRMDEA3, RN106L-TRMDEK, RN110L-CRLDEA, RN110L-CRLDEK, RN110L-CRLSEA, RN110L-CRLSEA3, RN110L-CRMDEA, RN110L-CRMDEA3, RN110L-CRMDEAB, RN110L-CRMDEK, RN110L-CRMSEA, RN110L-CRMSEA3, RN121L-RKMSEK, RN130L-GJLSEA, RN130L-GJMSEA, RN130L-GKLSEA, RN130L-GKMSEA, RN131L-RJLSEK, RN131L-RJMSEK, RN131L-RKLSEK, RN131L-RKMSEK, RN80L-TRKREA, RN80L-TRKRSA, RN80L-TRKRSA3, RN80L-TRLDSA, RN80L-TRLDSA3, RN80L-TRMDEA, RN80L-TRMDEA3, RN80L-TRMDEAB, RN80L-TRMREA, RN80L-TRMREAB, RN80L-TRMREK, RN80L-TRMRSK, RN80L-TRTRSA, RN80L-TRTRSA3, RN85L-TRLDSA, RN85L-TRLDSA3, RN85L-TRMDEA, RN85L-TRMDEA3, RN85L-TRMDEK, RN85L-TRMDSK, RN85L-TRMSEA, RN85L-TRMSEA3, RN90L-CRLDSA, RN90L-CRLDSA3, RN90L-CRMDEA, RN90L-CRMDEA3, RN90L-CRMDEAB, RN90L-CRMDEK, RN90L-CRMDSK, RN90L-CRMSEA, RN90L-CRMSEA3, RZN180L-GKMSKA, RZN185L-GKMSKA, VZN100L-TRMDEA, VZN100L-TRMDEA3, VZN100L-TRMDEAB, VZN100L-TRMDEK, VZN100L-TRMGEA, VZN100L-TRMGEA3, VZN105L-TRMDEA, VZN105L-TRMDEA3, VZN105L-TRMDEK, VZN110L-CRMDEA, VZN110L-CRMDEA3, VZN110L-CRMDEAB, VZN110L-CRMDEK, VZN110L-CRMGEA, VZN110L-CRMGEA3, VZN110L-CRMGEK, VZN130L-GJMGEA, VZN130L-GKMGEA, VZN131L-RJMGEK, VZN131L-RKMGEK, VZN185L-GKMGKA, VZN85L-THMDEA, VZN85L-THMDEA3, VZN85L-TRMDEA, VZN85L-TRMDEA3, VZN85L-TRMDEK, VZN85L-TRMREA6, VZN85L-TWMREA6, VZN90L-CRMDEA, VZN90L-CRMDEA3, VZN90L-CRMDEK, VZN90L-CRMGEA, VZN90L-CRMGEA3, VZN90L-CRMGEK, VZN95L-TWMREA6
    1989-2011 Toyota CamryCE, DX, LE, SE, STD|4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.4L, 4 Cyl 2.5L, 6 Cyl 3.0L1MZFE, 2ARFE, 2AZFE, 2VZFE, 3SFE, 3VZFE, 5SFE; 1MZFE, 2ARFE, 2AZFE, 2VZFE, 3SFE, 3VZFE, 5SFE; ACV30L-AEMNKA, ACV30L-AEMSKA, ACV40L-AEMNKA, ACV40L-CEMNKA, ACV40L-CEMSKA, ASV40L-CEFNKA, ASV40L-CEFSKA, MCV20L-CEMDKA, MCV20L-CEMNKA, SV21L-AEMBKA, SV21L-AEMDKA, SV21LG-UWMDKA, SV21LG-UWMDKK, SV21L-UEMBKA, SV21L-UEMBKK, SV21L-UEMDKA, SV21L-UEMDKK, SV21L-UEMNKK, SV25L-UEMDKA, SV25L-UEMDKK, SXV10L-AEMDKA, SXV10L-AEMDKK, SXV10L-AEMNKK, SXV10L-CCMDKA, SXV10L-CCMDKK, SXV10L-CCMNKK, SXV10L-CEMDKA, SXV10L-CEMDKK, SXV10L-CEMNKK, SXV10L-CWMDKK, SXV20L-CEMDKA, SXV20L-CEMDKK, SXV20L-CEMNKK, VCV10L-AEMNKK, VCV10L-AEMSKA, VZV21L-AEMDKA, VZV21L-UEMDKA, VZV21L-UEMNKK
    1988-1999 Toyota CelicaGT, GTS, ST, Turbo 4WD, Turbo All Trac|4 Cyl 1.6L, 4 Cyl 1.8L, 4 Cyl 2.0L, 4 Cyl 2.2L3SFE, 3SGELC, 3SGTE, 4AFE, 5SFE, 7AFE; 3SFE, 3SGELC, 3SGTE, 4AFE, 5SFE, 7AFE; AT180L-BCMSKA, AT180L-BCMSKK, AT200L-BCMSKA, AT200L-BLMSKA, AT200L-BLMSKK, ST162L-BCMSKA, ST162L-BCMSKK, ST162L-BCMVFA, ST162L-BCMVFK, ST162L-BCMVKA, ST162L-BCMVKK, ST162L-BKMVKA, ST162L-BLMVFA, ST162L-BLMVFK, ST162L-BLMVKA, ST162L-BLMVKK, ST165L-BLMVZA, ST165L-BLMVZK, ST184L-BCMGKA, ST184L-BCMGKK, ST184L-BKMGKA, ST184L-BLMGKA, ST184L-BLMGKK, ST184L-BLMVKA, ST184L-BLMVKK, ST185L-BLMVZA, ST185L-BLMVZK, ST204L-BCMGKA, ST204L-BCMGKK, ST204L-BCMSKA, ST204L-BKMGKA, ST204L-BLMGKA, ST204L-BLMGKK, ST204L-BLMSKA
    1988-2013 Toyota CorollaCE, DX, LE, S, SR5, STD, VE, XR, XRS|4 Cyl 1.6L, 4 Cyl 1.8L, 4 Cyl 2.4L1ZZFE, 2AZFE, 2ZZGE, 4AF, 4AFE, 7AFE; 1ZZFE, 2AZFE, 2ZZGE, 4AF, 4AFE, 7AFE; AE101L-AEMDKA, AE101L-AEMDKK, AE101L-AEMNKK, AE101L-DEMDKA, AE101L-DEMDKK, AE101L-DEMNKA, AE101L-DEMNKK, AE102L-AEMNKA, AE102L-AEMNKK, AE102L-AWMNKA, AE102L-AWMNKK, AE102L-DEMEKA, AE102L-DEMNKA, AE102L-DEMNKK, AE92L-ACMDKA, AE92L-ACMDUA, AE92L-ACMXKA, AE92L-ACMXKK, AE92L-ACMXUA, AE92L-ACMXUK, AE92L-AEMDKA, AE92L-AEMDKK, AE92L-AEMDUA, AE92L-AEMDUK, AE92L-AEMNKA, AE92L-AEMNKK, AE92L-AEMNUA, AE92L-AEMNUK, AE92L-AEMRKA, AE92L-AWMDKA, AE92L-AWMDKK, AE92L-AWMDUA, AE92L-AWMDUK, AE92L-DEMDKA, AE92L-DEMDKK, AE92L-DEMDUA, AE92L-DEMDUK, AE92L-DEMNKA, AE92L-DEMNKK, AE92L-DEMNUA, AE92L-DEMNUK, AE92L-DEMRKA, AE95L-AEMDKA, AE95L-AEMDKK, AE95L-CWMDKA, AE95L-CWMDKK, AE95L-CWMXKA, AE95L-CWMXKK, AZE141L-DEMSKA, AZE141L-DEMSKK, ZZE110L-DEMDKA, ZZE110L-DEMDKK, ZZE110L-DEMNKA, ZZE110L-DEMRKA, ZZE110L-DEMRKK, ZZE110L-DEMSKA, ZZE110L-DEMSKK, ZZE130L-AEMDKA, ZZE130L-AEMNKA, ZZE130L-DEMDKA, ZZE130L-DEMDKK, ZZE130L-DEMNKA, ZZE130L-DEMNKK, ZZE130L-DEMSKA, ZZE130L-DEMSKK, ZZE131L-DEFSFA, ZZE131L-DEFSFK, ZZE132L-DHMDKA, ZZE132L-DHMDKK, ZZE132L-DHMNKA, ZZE132L-DHMNKK, ZZE133L-DHFSFA, ZZE133L-DHFSFK
    2000-2005 Toyota Echo4 Cyl 1.5L1NZFE; 1NZFE; NCP12L-BDMRKA, NCP12L-BDMRKK, NCP12L-BEMRKA, NCP12L-BEMRKK, NCP13L-AGMRKK, NCP13L-AHMRKK
    2007-2013 Toyota FJ Cruiser6 Cyl 4.0L1GRFE; 1GRFE; GSJ15L-GKFSKA
    1990-1995 Toyota MR24 Cyl 2.0L, 4 Cyl 2.2L3SGTE, 5SFE; 3SGTE, 5SFE; SW20L-ACMZZA, SW20L-AJMZZA, SW20L-AJMZZK, SW21L-ACMZKA, SW21L-AJMZKA, SW21L-AJMZKK
    View More

Customer Questions & Answers

Q:
I just want to confirm I'm purchasing a correct part before placing an order Posted by ToyotaPartsDeal Specialist
A:
You can Select Your Vehicle to check if 84210-12040 fits your vehicle.
Posted by ToyotaPartsDeal Specialist
Q:
How Do You Troubleshoot and Test a Back-Up Light Switch and System on Toyota Avalon and Toyota Solara? Posted by Customer
A:
With the ignition key in the On position, place the shift lever in Reverse. The back-up lights should come on. If the lights don't come on, check the ignition switch, the GAUGE fuse, the bulbs, and the wire harness. If the lights remain on all the time, even when the shift lever is not in REVERSE, check the wire harness. If only one light comes on, but not the other, check the bulb for that light and check the harness. To check the operation of the back-up light switch itself, disconnect the electrical connector and unscrew the switch from the top of the transaxle. Then, use an ohmmeter to verify that there's continuity when the plunger is depressed and no continuity when the plunger is released. Verify that there's continuity between the switch connector terminals with the switch plunger depressed, and no continuity with the plunger released. The back-up light switch and harness connector are located on the side of the transaxle near the starter assembly. If the switch doesn't operate as described, replace it.
Posted by ToyotaPartsDeal Specialist
Q:
Where is the switch located on the transmission on Toyota Echo and Toyota Yaris? Posted by Customer
A:
The switch is located on the top of the transmission, behind the shift/selector lever assembly. With the transmission fitted, the switch is partly obscured by the battery tray. The back up light switch is below the battery tray when the transmission is in place. Trace the wiring from the switch, and disconnect it at the in-line connector, which is on the front of the unit. Disconnect the back up light switch wiring plug on the front of the transmission. Unscrew and remove the switch from the top of the transmission, and remove it. Refitting is a reversal of removal. Tighten the switch securely.
Posted by ToyotaPartsDeal Specialist
Q:
How to check and replace the back-up light switch on Toyota Avalon and Toyota Camry? Posted by Customer
A:
The back-up light switch is mounted on the transaxle, threaded into the top of the transaxle case. With the ignition key in the On position, place the shift lever in Reverse. The back-up lights should come on. If the lights don't come on, check the ignition switch, the GAUGE fuse, the bulbs and the wire harness. If the lights remain on all the time, even when the shift lever is not in REVERSE, check the wire harness. If only one light comes on, but not the other, check the bulb for that light and check the harness. To check the operation of the back-up light switch itself, remove the air filter housing and the air inlet to access the switch. Disconnect the electrical connector and unscrew the switch from the top of the transaxle, then use an ohmmeter to verify that there's continuity when the plunger is depressed, and no continuity when the plunger is released. If the switch doesn't operate as described, replace it. Disconnect the electrical connector from the switch and unscrew it from the case. Test the new switch before installation by depressing the plunger with an ohmmeter connected across the switch terminals. There should be continuity only when the plunger is depressed. Install the new switch and tighten it securely.
Posted by ToyotaPartsDeal Specialist
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine Toyota Part 84210-12040, the Right Choice

Your vehicle deserves only genuine OEM Toyota parts and accessories. To ensure reliability, purchase Toyota part # 84210-12040 Switch Assy, Back-Up Lamp. It is sometimes referred to as Toyota Back Up Light Switch. Our Toyota parts and accessories are expedited directly from authorized Toyota dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM Toyota parts are the best for restoring your vehicle to factory condition performance. This part fits 1989-2001 Toyota 4Runner, 1989-2011 Toyota Camry, 1996-2005 Toyota RAV4, 1995-2013 Toyota Tacoma.

Affordable, reliable and built to last, Toyota part # 8421012040 Switch Assy, Back-Up Lamp stands out as the smart option. ToyotaPartsDeal.com is your prime online source with the biggest and best selection of genuine Toyota parts and accessories at giant discounted prices. We have the OEM Toyota parts and accessories you need at the wholesale prices. ToyotaPartsDeal.com has you covered no matter what type of Toyota vehicle you drive. For detailed Toyota parts information, click here.

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