cisysdia.pdf

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05–1663
DIAGNOSTICS
LIGHTING SYSTEM
05HIV–01
SYSTEM DIAGRAM
BODY ECU:
IG1 Relay
Multiplex Network
Body ECU
(Instrument Panel
Junction Block Assy)
ACC Relay
Headlamp Dimmer Switch
Courtesy Lamp Switch
Door Unlock Detection Switch
Automatic Light Control Sensor
Headlamp (Low)
HEAD Relay
DIM Relay
DRL Relay
Headlamp (High)
Daytime Running
Light Relay
Taillamp
TAIL Relay
Each of illumination
Front Fog lamp
F FOG Relay
Courtesy Lamp
Room Lamp, Key Slot Lamp
Luggage Compartment Lamp
CAN
BEAN
Gateway ECU
HV ECU
Skid Control ECU
DLC3
I40814
2004 Prius – Preliminary Release (RM1075U)
Author:
Date:
1827
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05–1664
DIAGNOSTICS
LIGHTING SYSTEM
HEADLAMP BEAM LEVEL CONTROL ECU:
HEAD Relay
Headlamp Beam Level
Control ECU
Height Control Sensor
Combination Meter
Headlamp Beam Level Control Actuator
DLC3
I40815
Input and output signal of each ECU
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication method
HV ECU
Multiplex Network Body ECU
Ready condition signal
CAN – BEAN
Skid Control ECU
Multiplex Network Body ECU
Parking brake switch signal
CAN – BEAN
2004 Prius – Preliminary Release (RM1075U)
Author:
Date:
1828
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