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:
Overhaul
1. Remove roof headlining assy
2. Remove sliding roof glass sub–assy
using a torx wrench (t25), remove the 4 screws the sliding roof
glass.
pull the glass upward to remove it.
3. Remove sliding roof weatherstrip
4. Remove sliding roof drive gear sub–assy
Notice:
...
Check short circuit
If the wire harness is ground shorted as shown in fig. 5,
Locate the section by conducting a resistance check with
the body ground in step (b).
Check the resistance with the body ground.
Disconnect connectors a and c and measure the
resistance between terminals 1 and 2 ...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...


