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2012 Toyota Highlander Specs: Fluids, Maintenance Schedule & Fuse Box

Figures for the 2012 Toyota Highlander, copied from Toyota’s own owner’s manual. Every one links to the manual page it came from.

From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.

Engines in this manual: 2.7 L, 3.5 L. Figures that differ by engine say which engine they are for.

Fluids & capacities

All engines

Cooling system > Coolant type

Use either of the following. • “Toyota Super Long Life Coolant” • Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology Do not use plain water alone.

Source: Toyota 2012 Highlander Owners Manual (OM48A09U), page 580

2.7 L

3.5 L

Maintenance schedule

Normal service schedule

Use this for ordinary driving.

ServiceWhen
Replace cabin air filter

Applies to: Schedule A - 4-Cylinder Engines

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 47

Every 30,000 mi or 36 months
Replace cabin air filter

Applies to: Schedule B - V6 Engines

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 59

Every 30,000 mi or 36 months
Replace engine air filter

Applies to: Schedule A - 4-Cylinder Engines

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 47

Every 30,000 mi or 36 months
Replace engine air filter

Applies to: Schedule B - V6 Engines

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 55

Every 30,000 mi or 36 months
Replace engine oil and oil filter

Applies to: Schedule B - V6 Engines

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 52

Every 10,000 mi or 12 months
Replace engine oil and oil filter

Applies to: Schedule A - 4-Cylinder Engines

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 36

Every 5,000 mi or 6 months

Severe service schedule

Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.

ServiceWhen
Inspect engine air filter

Applies to: Schedule A - 4-Cylinder Engines · Driving on dirt roads or dusty roads

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 36

5,000 mi, 10,000 mi, 15,000 mi, 20,000 mi, 25,000 mi, 35,000 mi, 40,000 mi, 45,000 mi, 50,000 mi, 55,000 mi, 65,000 mi, 70,000 mi, 75,000 mi, 80,000 mi, 85,000 mi, 95,000 mi, 100,000 mi, 105,000 mi, 110,000 mi, 115,000 mi
Inspect engine air filter

Applies to: Schedule B - V6 Engines · Driving on dirt roads or dusty roads

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 53

5,000 mi, 10,000 mi, 15,000 mi, 20,000 mi, 25,000 mi, 35,000 mi, 40,000 mi, 45,000 mi, 50,000 mi, 55,000 mi, 65,000 mi, 70,000 mi, 75,000 mi, 80,000 mi, 85,000 mi, 95,000 mi, 100,000 mi, 105,000 mi, 110,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Schedule B - V6 Engines · Driving on dirt roads or dusty roads

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 53

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Schedule B - V6 Engines · Driving while towing, using a car-top carrier, or heavy vehicle loading

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 52

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Schedule B - V6 Engines · Extensive idling and/or low speed driving for a long distance such as police, taxi or door-to-door delivery use

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 54

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace engine oil and oil filter

Applies to: Schedule B - V6 Engines · Repeated trips of less than five miles in temperatures below 32°F / 0°C

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 52

5,000 mi, 15,000 mi, 25,000 mi, 35,000 mi, 45,000 mi, 55,000 mi, 65,000 mi, 75,000 mi, 85,000 mi, 95,000 mi, 105,000 mi, 115,000 mi
Replace front differential oil

Applies to: Schedule A - 4-Cylinder Engines · Driving while towing

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 51

Every 60,000 mi or 72 months
Replace front differential oil

Applies to: Schedule B - V6 Engines · Driving while towing, using a car-top carrier, or heavy vehicle loading

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 59

Every 60,000 mi or 72 months
Replace rear differential oil (4WD)

Applies to: Schedule A - 4-Cylinder Engines · Driving while towing

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 39

Every 15,000 mi or 18 months
Replace rear differential oil (4WD)

Applies to: Schedule B - V6 Engines · Driving while towing, using a car-top carrier, or heavy vehicle loading

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 55

Every 15,000 mi or 18 months
Replace transfer case oil (4WD)

Applies to: Schedule A - 4-Cylinder Engines · Driving while towing

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 39

Every 15,000 mi or 18 months
Replace transfer case oil (4WD)

Applies to: Schedule B - V6 Engines · Driving while towing, using a car-top carrier, or heavy vehicle loading

Source: Toyota 2012 Highlander Warranty and Maintenance Guide, page 53

Every 15,000 mi or 18 months

Oil life & reset procedures

Reset the maintenance data (U.S.A. only)

Before you start

  • After the required maintenance is performed according to the maintenance schedule, please reset the maintenance data.

Steps

  1. Vehicles without smart key system
  2. Set the engine switch to the “LOCK” position with the trip meter A reading shown. (→P. 185)
  3. While pressing the trip meter reset button, set the engine switch to the “ON” position.
  4. Vehicles with smart key system
  5. Set the “ENGINE START STOP” switch OFF with the trip meter A reading shown. (→P. 185)
  6. While pressing the trip meter reset button, set the “ENGINE START STOP” switch to the IGNITION ON mode.
  7. Without multi-information display: Continue to press and hold the button until the trip meter displays “000000”.
  8. With multi-information display: Continue to press and hold the but- ton until “COMPLETE” appears on the multi-information display.
  9. Maintenance and care

You’ll know it worked: Without multi-information display: Continue to press and hold the button until the trip meter displays “000000”.

Source: Toyota 2012 Highlander Owners Manual (OM48A09U), page 447

Fuse box locations & fuse chart

Engine compartment

What each fuse protects

FuseAmpsProtectsSource
115.0ANo circuitp.505
27.5ANo circuitp.505
310.0ANo circuitp.505
410.0ARear window defoggerp.503
510.0AOutside rear view mirror defoggersp.503
620.0APower outletp.503
725.0AMultiplex communication systemp.503
810.0AMultiport fuel injection system/ sequential multiport fuel injection systemp.503
910.0AMultiport fuel injection system/ sequential multiport fuel injection systemp.503
1015.0AStarting systemp.503
1110.0AMultiport fuel injection system/ sequential multiport fuel injection systemp.503
1250.0AAir conditioning systemp.503
1350.0AEnhanced vehicle stability control systemp.503
1450.0AElectric cooling fansp.503
1530.0AEnhanced vehicle stability control systemp.503
1650.0AAir conditioning systemp.503
1730.0AAir conditioning systemp.503
1830.0AAir conditioning systemp.503
1940.0AAir conditioning systemp.503
2030.0ARear window defoggerp.503
2130.0APower back doorp.503
22140.0AMIR HTR, PWR OUTLET, DOOR NO.1, HTR, RR DEF, FAN MAIN, VSC NO.1, PTC NO.1, RR CLR, PTC NO.2, PTC NO.3, VSC NO.2, PBDp.503
2380.0AElectric power steeringp.504
2430.0AStarting systemp.504
2510.0ARear seat entertainment system, audio systemp.504
2620.0AAudio systemp.504
2710.0ASteering sensor, gauges and meters, clock, main body ECU, wireless remote control, smart key system, power back door, multiinformation display, front passenger occupant classification systemp.504
2810.0AVanity lights, personal lights, interior light, gauges and meters, engine switch light, door courtesy lightsp.504
2930.0ATrailer lightsp.504
3020.0ASteering lock systemp.504
3125.0AMultiport fuel injection system/ sequential multiport fuel injection system, EFI NO.2, EFI NO.3p.504
3215.0ATurn signal lightsp.504
3325.0AINJ NO.1, INJ NO.2, IGN, GAUGE NO.2p.504
3415.0AAudio systemp.504
357.5ANo circuitp.504
3615.0AWindshield wiper de-icerp.504
3710.0AGlass hatch, multiplex communication system, outer foot lightsp.504
387.5ACharging systemp.504
397.5AMultiplex communication systemp.504
4015.0ALeft-hand headlight (high beam)p.504
4115.0ARight-hand headlight (high beam)p.505
4215.0ALeft-hand headlight (low beam)p.505
4315.0ARight-hand headlight (low beam)p.505
4410.0AHornp.505
4510.0AMultiport fuel injection system/ sequential multiport fuel injection system, smart key systemp.505
4610.0AMultiport fuel injection system/ sequential multiport fuel injection systemp.505
4720.0AAir fuel ratio sensorp.505
487.5AS-HORNp.505

Under the instrument panel

What each fuse protects

FuseAmpsProtectsSource
925.0APower windowsp.507
107.5AStarting systemp.507
1130.0APower seatp.507
1210.0AAir conditioning systemp.507
137.5ANo circuitp.507
1420.0AElectric moon roofp.507
1515.0AParking lights, tail lights, license plate lights, fog lights, trailer lightsp.507
167.5AGlove box light, instrument panel lights, switch illuminationp.507
1710.0AMultiplex communication system, electric moon roof, electronically controlled automatic transmission system, power back door, seat heaters, tire pressure warning system, electric power steering, antiglare inside rear view mirror, shift lock system, tire pressure warning systemp.507
187.5AEnhanced vehicle stability control systemp.507
1910.0AAir conditioning systemp.507
2020.0AWindshield and rear window washerp.507
2120.0ASeat heatersp.507
2210.0AAudio system, back-up lights, charging system, emergency flashers, traction control system, windshield wiper de-icer, air conditioning system, charging system, rear view monitor system, trailer lights, multiport fuel injection system/sequential multiport fuel injection systemp.508
2330.0AWindshield wipers and washerp.508
2415.0ARear window wiper and washerp.508
2510.0AMultiport fuel injection system/ sequential multiport fuel injection system, steering lock system, smart key system, SRS airbag systemp.508
267.5AGauges and meters, rear view monitor systemp.508
277.5AOutside rear view mirrors, shift lock system, smart key system, multiplex communication systemp.508
2815.0APower outletp.508
2915.0APower outletp.508
307.5AAudio system, clock, rear seat entertainment system, interior lights, personal lightsp.508

More fuse pages in the manual

Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.

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Other Toyota Highlander years