Theft Deterrent / Keyless Entry

Problem Symptoms Table

~1min read
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.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Engine Immobiliser System

Symptom

Suspected Area

See page

Engine does not start.

Key

Steering lock ECU power source circuit

Smart key system (for start function)

SFI system (for 2GR-FE)

SFI system (for 1AR-FE)

Security indicator light is always on.

Certification ECU (smart key ECU assembly)

Wire harness or connector

-

Accessory meter assembly

-

Security indicator light is off.

Certification ECU (smart key ECU assembly)

Wire harness or connector

-

Accessory meter assembly

-

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.