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 MANUALSTOYOTA2007HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGBLOWER MOTOR SWITCHTESTING AND INSPECTIONBLOWER SWITCH (FOR MANUAL AIR CONDITIONING SYSTEM)
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Blower Switch (For Manual Air Conditioning System)
2007 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Blower Switch (For Manual Air Conditioning System)
INSPECTION
1. INSPECT HEATER BLOWER SWITCH
a. Inspect the blower switch continuity.
If continuity is not as specified, replace the air conditioner control assembly.
b. Inspect illumination operation.
Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 3 then check that the illuminations light up.
If the bulb does not light up, replace the heater blower switch.
1. INSPECT HEATER BLOWER SWITCH
a. Inspect the blower switch continuity.
If continuity is not as specified, replace the air conditioner control assembly.
b. Inspect illumination operation.
Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 3 then check that the illuminations light up.
If the bulb does not light up, replace the heater blower switch.
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.