Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Using Bluetooth® devices / Using the steering wheel switches
Toyota Corolla (E170): Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular phone or portable digital audio player (portable player).
Operating a Bluetooth® phone using the steering wheel switches
1 Volume
The voice guidance volume cannot be adjusted using these buttons.
2 Off-hook switch
Turns the hands-free system on/starts a call 3 On-hook switch
Turns the hands-free system off/ends a call/refuses a call

Other materials:
Circuit description
The airbag sensor assy center consists of a airbag sensor assy center, safing
sensor, drive circuit, diagnosis
circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the srs must
be activated, and detects
diagnosis system malfunction.
Dtc b11 ...
Light control switch circuit
Wiring diagram
Inspection procedure
1 Check headlamp dimmer switch assy (light control switch)
2 Check wire harness (tvip ecu light control switch)
Disconnect the tvip ecu and light control switch connectors.
check the continuity between the terminals of the tvip
e ...
Circuit description
The side airbag sensor assy (lh) circuit consists of the diagnosis circuit
and lateral deceleration sensor, etc.
It receives signals from the lateral deceleration sensor, judges whether or not
the srs must be activated,
and detects diagnosis system malfunction.
Dtc b1141/33 is recorded wh ...


