Toyota Corolla (E120): Electronically controlled transmission communication circuit

Inspection procedure

Circuit description

Other materials:

Dialing from call histories
1 Select “All calls”, “Missed calls”, “Incoming calls” or “Outgoing calls” using . 2 Select the desired number using and press the off-hook switch. The following operations can be performed: ● Registering a number as a speed dial Press (Add S. Dial) and then press an ...

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 ...

Under hood
General maintenance 1. General notes maintenance requirements vary depending on the country. Check the maintenance schedule in the owner’s manual supplement. Following the maintenance schedule is mandatory. Determine the appropriate time to service the vehicle using either miles driv ...