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 MANUALSTOYOTA2007HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSUNLOCK WARNING SWITCH CIRCUIT
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Unlock Warning Switch Circuit
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Unlock Warning Switch Circuit
Unlock Warning Switch Circuit
DESCRIPTION
The multiplex network body ECU determines whether the key is inserted into the ignition key cylinder based on signals from the unlock warning switch.
Signals from the unlock warning switch are used to operate the wireless door lock control system functions such as automatic lock and door ajar warning.
INSPECTION PROCEDURE
HINT: Start the inspection from step 1 when using the intelligent tester and start from step 2 when not using the intelligent tester.
DESCRIPTION
The multiplex network body ECU determines whether the key is inserted into the ignition key cylinder based on signals from the unlock warning switch.
Signals from the unlock warning switch are used to operate the wireless door lock control system functions such as automatic lock and door ajar warning.
Wiring Diagram:
Step 1:
Step 1 (Continued)-2:
Step 3:
INSPECTION PROCEDURE
HINT: Start the inspection from step 1 when using the intelligent tester and start from step 2 when not using the intelligent tester.
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.