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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSPOWER LOCKSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSSYSTEM INSPECTION
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
System Inspection
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION System Inspection
INSPECTION
1. INSPECT DOOR CONTROL SWITCH ASSEMBLY
a. Inspect the door control switch continuity.
If continuity is not as specified, replace the switch.
2. INSPECT FRONT DOOR LOCK ASSEMBLY RH
a. Inspect the door lock assembly continuity.
If operation is not as specified, replace the door lock assembly.
b. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
c. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
3. INSPECT FRONT DOOR LOCK ASSEMBLY LH
a. Inspect the door lock assembly continuity.
If operation is not as specified, replace the door lock assembly.
b. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
c. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
4. INSPECT REAR DOOR LOCK ASSEMBLY RH
a. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
b. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
5. INSPECT REAR DOOR LOCK ASSEMBLY LH
a. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
b. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
6. INSPECT BACK DOOR LOCK ASSEMBLY
a. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
b. Inspect the back door courtesy switch.
If operation is not as specified, replace the door lock assembly.
1. INSPECT DOOR CONTROL SWITCH ASSEMBLY
a. Inspect the door control switch continuity.
If continuity is not as specified, replace the switch.
2. INSPECT FRONT DOOR LOCK ASSEMBLY RH
a. Inspect the door lock assembly continuity.
If operation is not as specified, replace the door lock assembly.
b. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
c. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
3. INSPECT FRONT DOOR LOCK ASSEMBLY LH
a. Inspect the door lock assembly continuity.
If operation is not as specified, replace the door lock assembly.
b. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
c. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
4. INSPECT REAR DOOR LOCK ASSEMBLY RH
a. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
b. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
5. INSPECT REAR DOOR LOCK ASSEMBLY LH
a. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
b. Inspect the position switch continuity.
If operation is not as specified, replace the door lock assembly.
6. INSPECT BACK DOOR LOCK ASSEMBLY
a. Inspect the door lock motor operation.
If operation is not as specified, replace the door lock assembly.
b. Inspect the back door courtesy switch.
If operation is not as specified, replace the door lock assembly.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.