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2012
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Sienna SE
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Repair and Diagnosis (Single Page)
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Accessories & Equipment
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Headlights
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Lighting System (Exterior) (Diagnostic Codes & Circuit Tests)
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Lighting System
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Circuit Tests
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Headlight Relay Circuit
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Description
Headlight Relay Circuit: Description
The main body ECU controls the integration relay*1 or headlight relay*2.
*1: w/o HID Headlight System
*2: w/ HID Headlight System