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)

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    Inspection procedure
    1 Inspect transmission wire(s1) Disconnect the transmission wire connector from the transaxle.  measure the resistance according to the value(s) in the table below. Standard: 2 Check harness and connector(transmission wire – ecm) Connect the transmission connec ...

    If a warning message or indicator is displayed (vehicles with a multi-information display)
    If a warning is shown on the multi-information display, stay calm and perform the following actions: 1 Master warning light The master warning light also comes on or flashes in order to indicate that a message is currently being displayed on the multiinformation display. 2 Multi-information d ...

    Circuit description
    The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm in order to control the hydraulic pressure operation, the lock–up relay valve, which then the controls operation of the lock–up clutch. Fail safe function: if the ecm detects a malfunction, it turns the ...