Toyota Corolla (E170): Audio unit
1 Bluetooth® connection status If “BT” is not displayed, the Bluetooth® audio/phone cannot be used.
2 Display
A message, name, number, etc. is displayed.
Lower-case characters and special characters cannot be displayed.
3 Displays the set up menu
4 Selects items such as menu and number
Turn: Selects an item
Press: Inputs the selected item
5 Off-hook switch
Turns the hands-free system on/starts a call
6 On-hook switch
Turns the hands-free system off/ends a call/refuses a call
7 Displays information that is too long to be displayed at one time on the display
(press and hold)
8 Selects speed dials

Other materials:
Steering wheel
Adjustment procedure
1. Hold the steering wheel and
push the lever down.
2. Adjust to the ideal position by
moving the steering wheel
horizontally and vertically.
After adjustment, pull the lever up
to secure the steering wheel.
WARNING
■Caution while driving
Do not adjust the steering wheel
wh ...
How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 6, 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect the obd ii scan tool or hand–held tester to dlc3
4 Check and clear dtc and freeze frame data
5 Visual inspection
6 Setting the check mode diagnosis
7 Proble ...
Inspection procedure
1 Input signal check
See input signal check on page 05–745.
check the indicator light operation when each of the set/
coast, resume/accel and cancel is turned on.
Ok:
set/coast, resume/accel switch:
the signals shown in the table on the left should be
output when each switch is ...


