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 dlc3 terminal voltage Turn the ignition switch to on.  measure voltage between terminals 13 (tc) and 4 (cg) of dlc3. Ok: voltage: 10 – 16 v 2 Check harness and connector(between cruise control ecu assy and dlc3) Check for open and short circuit in harness ...

    Inspection procedure
    1 Inspect parking brake switch circuit Check for open and short circuit in parking brake switch circuit 2 Inspect brake fluid level warning switch circuit Check the brake fluid level in reservoir.  check for open and shot circuit in brake fluid level warning switch circuit ...

    Inspection procedure
    1 Inspect park/neutral position switch assy Disconnect the park/neutral position switch connector.  measure resistance according to the value(s) in the table below when the shift lever is moved to each position. Standard: 2 Check harness and connector(park/neutral position ...