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 MANUALSTOYOTA2001HIGHLANDER 2WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWSERVICE HINTS
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)
Service Hints
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)SECTION Service Hints
WIRELESS DOOR LOCK CONTROL
D7, D8, D9, D10 DOOR COURTESY SW FRONT LH, RH, REAR LH, RH
1 - GROUND : Continuity with the door open
D12 DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW FRONT LH
5 - GROUND : Approx. 12 volts with the door lock motor at look operate
6 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
4 - 2 : Closed with the door lock cylinder locked with key
3 - 2 : Closed with the door lock cylinder unlocked with key
D13 DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW FRONT RH
1 - GROUND : Approx. 12 volts with the door lock motor at lock operate
2 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
3 - 5 : Closed with the door lock cylinder locked with key
4 - 5 : Closed with the door lock cylinder unlocked with key
D14 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW REAR LH
3 - GROUND : Approx. 12 volts with the door lock motor at lock operate
4 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
D15 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW REAR RH
1 - GROUND : Approx. 12 volts with the door lock motor at lock operate
2 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
B15 BACK DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW
1 - GROUND : Approx. 12 volts with the door lock motor at lock operate
2 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
W6 WIRELESS DOOR LOCK ECU
5 - GROUND : Always approx. 12 volts
1 - GROUND : Always continuity
D7, D8, D9, D10 DOOR COURTESY SW FRONT LH, RH, REAR LH, RH
1 - GROUND : Continuity with the door open
D12 DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW FRONT LH
5 - GROUND : Approx. 12 volts with the door lock motor at look operate
6 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
4 - 2 : Closed with the door lock cylinder locked with key
3 - 2 : Closed with the door lock cylinder unlocked with key
D13 DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW FRONT RH
1 - GROUND : Approx. 12 volts with the door lock motor at lock operate
2 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
3 - 5 : Closed with the door lock cylinder locked with key
4 - 5 : Closed with the door lock cylinder unlocked with key
D14 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW REAR LH
3 - GROUND : Approx. 12 volts with the door lock motor at lock operate
4 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
D15 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW REAR RH
1 - GROUND : Approx. 12 volts with the door lock motor at lock operate
2 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
B15 BACK DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW
1 - GROUND : Approx. 12 volts with the door lock motor at lock operate
2 - GROUND : Approx. 12 volts with the door lock motor at unlock operate
W6 WIRELESS DOOR LOCK ECU
5 - GROUND : Always approx. 12 volts
1 - GROUND : Always continuity
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.