Toyota Corolla (E120) 2002–2008 Repair Manual / Windshield/windowglass/mirror / Instrument panel sub–assy lower
Toyota Corolla (E120): Instrument panel sub–assy lower
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 ...