Toyota Corolla (E170): Phone screen
To display the screen shown below, press the
switch on the steering wheel or the
button.
Several functions are available to operate on each screen that is displayed by selecting the 4 tabs.
1 Device name
2 Bluetooth® connection status

■ Telephone switch ■ Microphone
► Vehicles without moon roof

► Vehicles with moon roof

The vehicle’s built in microphone is used when talking on the phone.
The person you are speaking to can be heard from the front speakers.
To use the hands-free system, you must register your Bluetooth® phone in the system.
Other materials:
The ambient temperature does not display
Wiring diagram
Inspection procedure
1 Inspect outer ambient temperature sensor
Remove cooler (ambient temp. Sensor) thermistor.
measure resistance between terminals 1 and 2 of cooler
(ambient temp. Sensor) thermistor connector at each temperature.
Resistance:
at 0 c (0 f) ...
Inspection
1. Inspect defogger relay (marking: def)
Remove the defogger relay from the instrument panel
j/b.
inspect the defogger relay.
Standard:
If the result is not as specified, replace the relay ...
Circuit description
If the engine coolant temperature (ect) does not reach 75°c (167°f) despite
sufficient warm – up time has
elapsed.
Dtc no
Dtc detection condition
Trouble area
P0128
Condition (a), (b) and (c):
cold start
after engine is warmed up
& ...


