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System Diagram

WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Lighting System Diagram (1 Of 3)
G04475768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Lighting System Diagram (2 Of 3)
G04475769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Lighting System Diagram (3 Of 3)
G04475770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Input and output signal of each ECU 

EACH ECU INPUT/OUTPUT SIGNAL

Transmitter Receiving Signal Communication Method
HV ECU Body ECU Ready condition signal CAN - BEAN
Skid Control ECU Body ECU Parking brake switch signal CAN - BEAN
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