Toyota Corolla (E120): Brake system

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Rear speaker assy
Replacement Hint: components: 1. Remove rear door opening trim rh 2. Remove rear door opening trim lh 3. Remove bench type rear seat cushion assy( or 72–8) 4. Remove rear seat back assy (fixed type rear seat) 5. Remove rear seat back assy (separated type rear seat) 6. Remove rear seat side ...

Check and replace ecu
Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...