Toyota Venza manuals

Toyota Venza: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Smart Key System

Symptom

Suspected Area

See page

Entry answer-back buzzer does not sound

Wireless door lock control system


Certification ECU (smart key ECU assembly)

-

All door entry lock/unlock functions and wireless functions do not operate

Power door lock control system


Key

-

Key battery

-

Fuse (EFI NO. 1, ECU-B)

-

Wire harness or connector

-

Door control receiver assembly

-

Certification ECU (Smart key ECU assembly)

-

All door entry lock/unlock functions do not operate, but wireless functions operate

Key


Certification ECU (Smart key ECU assembly)

-

Driver side door entry unlock function does not operate

Power door lock control system


Front door outside handle assembly (for driver side)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Front passenger side door entry unlock function does not operate

Power door lock control system


Front door outside handle assembly (for front passenger side)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Driver side door entry lock and unlock functions do not operate

Power door lock control system


Front door outside handle assembly (for driver side)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Front passenger side door entry lock and unlock functions do not operate

Power door lock control system


Front door outside handle assembly (for front passenger side)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Driver side door entry lock function does not operate

Power door lock control system


Front door outside handle assembly (for driver side)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Front passenger side door entry lock function does not operate

Power door lock control system


Front door outside handle assembly (for front passenger side)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Room oscillator does not recognize key

Indoor electrical key oscillator (for front floor)


Indoor electrical key oscillator (for center floor)

-

Indoor electrical key oscillator (for rear floor)

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Entry interior alarm does not sound

Meter / gauge system


Certification ECU (Smart key ECU assembly)

-

Back door entry unlock function does not operate

Power door lock control system


Back door opener switch assembly

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

Back door entry lock and unlock functions do not operate

Power door lock control system


Outside electrical key oscillator (for rear side)

-

Certification ECU (Smart key ECU assembly)

-

Back door opener switch assembly

-

Wire harness or connector

-

Back door entry lock function does not operate

Power door lock control system


Back door opener switch assembly

-

Certification ECU (Smart key ECU assembly)

-

Wire harness or connector

-

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DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The certification ECU (smart key ECU assembly) control the vehicle smart key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs) can b ...

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