Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Basic Operations (Multimedia system) / Steering wheel audio switches
Toyota Corolla (E170): Steering wheel audio switches
Some audio features can be controlled using the switches on the steering wheel.
Operation may differ depending on the type of multimedia system or navigation system. For details, refer to the manual provided with the multimedia system or navigation system.
Operating the multimedia system using the steering wheel switches
1 Volume switch
• Increases/decreases volume
• Press and hold: Continuously increases/decreases volume
2 Back switch
• Returns to the previous screen
3 Cursor switch
• Selects (radio stations/radio presets/tracks/files/songs)
• Moves cursor
• Press and hold: Seek up/down (radio stations)
• Fast up/down (tracks/files)
4 Enter switch
• Displays the preset/list screen
• Selects items
5 “MODE/HOLD” switch
• Changes audio source
• Press and hold this switch to mute or pause the current operation To cancel the
mute or pause, press and hold.

CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
Other materials:
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
LDA (Lane Departure Alert)
Basic functions
The LDA system warns the
driver if the vehicle may deviate
from the current lane or course*,
and also can slightly operate the
steering wheel to help avoid
deviation from the lane or
course*.
The front camera is used to
detect lane lines or a course*.
*: Boundary between the asphal ...
Inspection procedure
1 Check relay (marking: starter cut)
Inspect the relay continuity, as shown in the illustration
and table.
Standard:
2 Check tvip ecu
Disconnect the tvip ecu connector.
turn the ignition switch position to the start.
measure the voltage between the termina ...


