Highlander 4WD V6-3.3L (3MZ-FE) Hybrid (2007)
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Blower Motor Switch: Testing and Inspection
Blower Switch (For Manual Air Conditioning System)
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.