Toyota Venza: System Description

Toyota Venza Service Manual / Networking / Lin Communication System / System Description

SYSTEM DESCRIPTION

1. LIN COMMUNICATION SYSTEM DESCRIPTION

The LIN communication system is used for communication between the components in the table below. If communication cannot be performed through LIN communication because of an open in the communication lines or other reason, the master control ECU of the relevant system will store a DTC. Refer to the table below about the communication bus lines and connected components.

HINT:

Each component has a fail-safe function which activates to maintain the minimum performance of the system and protect the system.

Door Bus Lines

Component	Master Control	LIN Communication DTC Output Function
Main Body ECU (Driver Side Junction Block Assembly)	○	○
Power Window Regulator Motor Assembly (for Driver Side)	-	-
Power Window Regulator Motor Assembly (for Front Passenger Side)	-	-
Power Window Regulator Motor Assembly (for Rear LH Side)	-	-
Power Window Regulator Motor Assembly (for Rear RH Side)	-	-
Multiplex Network Master Switch Assembly	-	-
Sliding Roof ECU (Sliding Roof Drive Gear Assembly)*	-	-

*: w/ Sliding Roof

Certification Bus Lines

Component	Master Control	LIN Communication DTC Output Function
Certification ECU (Smart Key ECU Assembly)	○	○
Power Source Control ECU (Power Management Control Computer Assembly)	-	○
Steering Lock ECU (Steering Lock Actuator Assembly)	-	-

Air Conditioning Bus Lines

Component	Master Control	LIN Communication DTC Output Function
Air Conditioning Amplifier Assembly	○	-
Air Conditioning Control Assembly	-	-

Lighting Bus Lines

Component	Master Control	LIN Communication DTC Output Function
AFS ECU (Headlight Swivel ECU Assembly)	○	-
Inner Rear View Mirror Assembly	-	-

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

System Diagram

SYSTEM DIAGRAM 1. DOOR BUS LINES 2. CERTIFICATION BUS LINES [w/ Smart Key System] 3. AIR CONDITIONING BUS LINES 4. LIGHTING BUS LINES [w/ Smart Beam] ...

Other materials about Toyota Venza:

System Description
SYSTEM DESCRIPTION 1. LIN COMMUNICATION SYSTEM DESCRIPTION The LIN communication system is used for communication between the components in the table below. If communication cannot be performed through LIN communication because of an open in the communic ...

Lost Communication with Rear Airbag Sensor RH (B1632/81,B1633/81,B1642/81,B1692/81,B1693/81)
DESCRIPTION The side collision sensor RH circuit (to determine deployment of the front seat side airbag assembly RH and curtain shield airbag assembly RH) is composed of the center airbag sensor assembly, rear airbag sensor RH and side airbag sensor RH. ...

Air Inlet Damper Control Servo Motor Circuit (B1442/42)
DESCRIPTION The air inlet control servo motor sends pulse signals to indicate the damper position to the A/C amplifier. The A/C amplifier activates the motor (normal or reverse) based on these signals to move the air inlet mode selection air inlet control ...