Toyota Corolla (E170): What to do if... (Troubleshooting)

If there is a problem with the hands-free system or a Bluetooth® device, first check the table below.

► When using the hands-free system with a Bluetooth® device

► When registering/connecting a cellular

► When registering/connecting a cellular phone

► When making/receiving a call

► When making/receiving a call

► When using the phonebook

► When using the phonebook

► When using the Bluetooth® message function

► When using the Bluetooth® message function

► In other situations

► In other situations

Bluetooth® (Multimedia system)

    Share this page:

    Other materials:

    Diagnostic trouble code chart
    Hint: as for the vehicle for mexico, refer to repair manual 2003 corolla (pub. No. Rm938u). Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors. If a malfunction code is displayed during the dtc check in the check mod ...

    Circuit description
    In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

    Emergency flashers
    The emergency flashers are used to warn other drivers when the vehicle has to be stopped on the road due to a breakdown, etc. Operating instructions Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. ■Emergency flashers If the emergency fla ...