Toyota Venza: System Diagram

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Entry Function) / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Main body ECU (Driver side junction block assembly)	Certification ECU (Smart key ECU assembly)	Courtesy light switch signal	CAN
		Door lock output signal
		Back door output request signal
		Door lock position switch signal
		Driver door key operated switch signal
Certification ECU (Smart key ECU assembly)	Main body ECU (Driver side junction block assembly)	Illumination light request signal	CAN
Certification ECU (Smart key ECU assembly)	Main body ECU (Driver side junction block assembly)	Door lock/unlock request signal	CAN
Certification ECU (Smart key ECU assembly)	Combination meter assembly	Meter buzzer single tone request signal	CAN
		Meter buzzer intermittent tone request signal
		Meter buzzer continuous tone request signal
		Key loss warning signal
		Low key battery warning signal
		Steering lock malfunction warning signal
		Steering lock not-released warning signal
		Shift position warning signal
		Emergency operation support display request signal
		Engine start method display request signal
Combination meter assembly	Certification ECU (Smart key ECU assembly) Main body ECU (Driver side junction block assembly)	Vehicle speed signal	CAN
Steering lock ECU (Steering lock actuator assembly)	Certification ECU (Smart key ECU assembly)	Encryption code signal	LIN
		Encryption code finish signal
		Encryption calculate fixed number memory requirement signal
		During entry control signal

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

System Description

SYSTEM DESCRIPTION CAUTION: If using a pacemaker, be sure to read the manual of the pacemaker before using the key, as the radio waves of the key may affect the pacemaker. 1. SMART KEY SYSTEM DES ...

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Transmitter Battery(w/ Smart Key System)
Replacement REPLACEMENT PROCEDURE 1. REMOVE TRANSMITTER BATTERY NOTICE: Take extra care when handling these precision electronic components. (a) Push the release hook knob and extract the mechanical key. ...

Door Courtesy Switch Circuit
DESCRIPTION When an additional transponder key is registered, the transponder key ECU assembly detects the front door courtesy light switch assembly (for driver side) open/close condition, and enters the key registration mode. WIRING DIAGRAM CAUTION / ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE ENGINE COVER JOINT (a) Remove the 3 joints. 2. REMOVE SPARK PLUG 3. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Intake Side) 4. REMOVE CAMSHAFT TIM ...