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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Power Door Lock - Diagnosis) >> Door Courtesy Switch Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

Body ECU senses, by the unlock warning switch, that the key is in the key cylinder. Because of this, the body ECU will unlock all the doors immediately after locking them if a door has been locked while the key is in the key cylinder.

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