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:
Inspection procedure
1 Inspect dlc3 terminal voltage
Turn the ignition switch to on.
measure voltage between terminals 13 (tc) and 4 (cg) of
dlc3.
Ok:
voltage: 10 – 16 v
2 Check harness and connector(between cruise control ecu assy
and dlc3)
Check for open and short circuit in harness ...
Seat belt warning lamp for front passenger’s seat
does not flash
Wiring diagram
Inspection procedure
1 Inspect combination meter assy
Ground terminal c9–11 on the combination meter side.
check that the warning lightlights up.
Ok: warning light lights up.
2 Inspect passenger seat belt warning lamp assy
Ground terminal c9– ...
Inspection procedure
1 Check courtesy lamp switch
Check the courtesy switch, as shown in the illustration
and table.
Standard:
2 Check wire harness (integration relay door courtesy sw)
Disconnect the integration relay and door courtesy connectors.
check the continuity between th ...


