Toyota Corolla (E120): Ecm power source circuit

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Bluetooth® Audio (Multimedia system)
Listening to Bluetooth® Audio The Bluetooth® audio system enables the user to enjoy music played on a portable player from the vehicle speakers via wireless communication. When a Bluetooth® device cannot be connected, check the connection status on the “Bluetooth* Audio” screen. If the ...

Inspection procedure
1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative (–) lead to the horn body, and check that the horn blows. 2 Check relay (marking: horn) Remove the relay from the engine room j/b.  check the horn relay conti ...

Inspection procedure
1 Check front airbag sensor (lh) circuit (to b+)(airbag sensor assy center – airbag sensor front lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the airbag ...