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 MANUALSTOYOTA2008HIGHLANDER 2WD V6-3.5L (2GR-FE)REPAIR AND DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSDOOR LOCK POSITION CIRCUIT
2008 Toyota Highlander 2WD V6-3.5L (2GR-FE)
Door Lock Position Circuit
2008 Toyota Highlander 2WD V6-3.5L (2GR-FE)SECTION Door Lock Position Circuit
LIGHTING: LIGHTING SYSTEM: Door LOCK Position Circuit
Door LOCK Position Circuit
DESCRIPTION
The main body ECU receives each door lock position switch signal to control the illuminated entry system.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM
(a) Connect Techstream to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Turn Techstream on.
(d) Select the following menu items: Body Electrical / Main Body / Active Test.
Main Body:
HINT:
- *1: w/ Smart Key System, w/ Power Back Door, w/ Glass Hatch Opener
- *2: w/o Smart Key System w/o Power Back Door w/o Glass Hatch Opener
OK:
Normal conditions listed above are displayed.
HINT: If the normal condition listed above are not displayed, perform the trouble shooting of the power door lock control system.
NG -- GO TO POWER DOOR LOCK CONTROL SYSTEM
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
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.