Toyota Corolla (E120): Instrument panel sub–assy lower

Share this page:

Other materials:

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 ...

Driving support system information display
■ Driving support system information Select to display the operational status of the following systems: Dynamic radar cruise control LTA (Lane Tracing Assist) LDA (Lane Departure Alert) ■ Navigation system-linked display (if equipped) Select to display the following navigation system-linked ...

Inspection procedure
1 Inspect terminal voltage(idl) Remove the cruise control ecu assy with connector still connected.  disconnect the ecm connector.  turn the ignition switch to on.  measure voltage between terminal 13 (idl) of cruise control ecu assy connector and body ground when the ...