Toyota Venza manuals

Toyota Venza: System Diagram


Communication Table

Transmitting ECU (Transmitter)

Receiving ECU


Communication Method

Main body ECU (Driver side junction block assembly)

Certification ECU (Smart key ECU assembly)

Courtesy light switch signal


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


Door lock/unlock request signal

Certification ECU (Smart key ECU assembly)

Combination meter assembly

Meter buzzer single tone request signal


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


Steering lock ECU (Steering lock actuator assembly)

Certification ECU (Smart key ECU assembly)

Encryption code signal


Encryption code finish signal

Encryption calculate fixed number memory requirement signal

During entry control signal

Parts Location

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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System Description
SYSTEM DESCRIPTION 1. OUTLINE OF THEFT DETERRENT SYSTEM The theft deterrent system can be set by locking the doors using the transmitter or key, or by opening and closing the doors (for details, refer to Active Arming Mode or Passive Arming Mo ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The certification ECU (smart key ECU assembly) and ECM control the vehicle engine immobiliser system functions. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Li ...

Power Back Door Main Switch
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT POWER BACK DOOR MAIN SWITCH (a) Check that the switch function. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: ...

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