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 DIAGNOSISWINDOWS AND GLASSWINDOWSWINDOW REGULATORTESTING AND INSPECTION
2008 Toyota Highlander 2WD V6-3.5L (2GR-FE)
Window Regulator: Testing and Inspection
2008 Toyota Highlander 2WD V6-3.5L (2GR-FE)SECTION Testing and Inspection
WINDSHIELD / WINDOWGLASS: POWER WINDOW REGULATOR MOTOR: INSPECTION
INSPECTION
1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)
(a) Apply battery voltage to the motor connector according to the table below.
- Do not apply voltage to any terminals except terminals 1 and 2, to avoid damaging the pulse sensor inside the motor.
- Reset the power window regulator motor (initialize the pulse sensor) after installing the power window regulator motor and regulator assembly onto the door.
NOTE: Do not apply battery voltage to any terminals except terminals 1, 2, 4, 7 and 10.
OK:
If the result is not as specified, replace the regulator motor assembly.
2. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)
(a) Apply battery voltage to connector terminals 1 and 2.
NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.
(b) Check that the motor gear rotates smoothly as follows.
OK:
If the result is not as specified, replace the regulator motor assembly.
3. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side)
(a) Apply battery voltage to connector terminals 1 and 2.
NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.
(b) Check that the motor gear rotates smoothly as follows.
OK:
If the result is not as specified, replace the regulator motor assembly.
4. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side)
(a) Apply battery voltage to connector terminals 1 and 2.
NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.
(b) Check that the motor gear rotates smoothly as follows.
OK:
If the result is not as specified, replace the regulator motor assembly.
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.