Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSCOURTESY LAMPSERVICE HINTS
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Service Hints
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Service Hints
D7, D8, D9, D10 DOOR COURTESY SW FRONT LH, RH, REAR LH, RH
1 - GROUND : Closed with the door open
R12 REAR INTERIOR LIGHT SW
1 - 2 : Closed with the back door open
B9 (A), 512(D) BODY ECU
(D) 9 - GROUND : Always approx. 12 volts
(A) 5 - GROUND : Approx. 12 volts with the ignition SW at ON position
(A) 17 - GROUND : Approx. 12 volts with the ignition SW at ACC or ON position
1 - GROUND : Closed with the door open
R12 REAR INTERIOR LIGHT SW
1 - 2 : Closed with the back door open
B9 (A), 512(D) BODY ECU
(D) 9 - GROUND : Always approx. 12 volts
(A) 5 - GROUND : Approx. 12 volts with the ignition SW at ON position
(A) 17 - GROUND : Approx. 12 volts with the ignition SW at ACC or ON position
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.