Your Toyota is equipped with the illuminated entry system to assist in entering the vehicle. Due to the function of the system, the lights shown in the following illustration automatically turn on/off according to the presence of the electronic key (vehicles with smart key system), whether the doors are locked/unlocked, whether the doors are opened/closed, and the “ENGINE START STOP” switch mode (vehicles with smart key system) or engine switch position (vehicles without smart key system).

1. Personal/interior lights
2. “ENGINE START STOP” switch light (vehicles with smart key system) or engine switch
light (vehicles without smart key system)
3. Door courtesy lights
4. Luggage compartment light
5. Outer foot lights
Personal/interior light main switchDisassembly
DISASSEMBLY
PROCEDURE
1. REMOVE ULTRASONIC SENSOR CLIP (w/ Intuitive Parking Assist System)
2. REMOVE NO. 1 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System)
3. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System)
4. ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) transmits
a signal to cause the horn to sound at intervals of 0.4 seconds.
WIRING DIAGRAM
...