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 switchEngine Hood Courtesy Switch Circuit
DESCRIPTION
The security courtesy switch is installed together with the hood lock. This switch
turns off when the engine hood is opened and turns on when the engine hood is closed.
WIRING DIAGRAM
PROCEDURE
1.
INSPECT HOOD LOCK AS ...
XM Tuner Malfunction (B15BA)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the stereo component tuner
assembly.
DTC No.
DTC Detection Condition
Trouble Area
B15BA
When either of the following conditions is m ...
Parking Brake Switch Circuit
DESCRIPTION
This circuit is from the parking brake switch assembly to the radio and display
receiver assembly.
WIRING DIAGRAM
PROCEDURE
1.
CHECK BRAKE WARNING LIGHT
(a) Check that the brake warning light comes on when t ...