Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Starter cut relay circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check relay (marking: starter cut)

- Inspect the relay continuity, as shown in the illustration and table.
Standard:



2 Check tvip ecu

- Disconnect the tvip ecu connector.
- turn the ignition switch position to the start.
- measure the voltage between the terminal of the ecu connector and the body ground, as shown in the illustration and table.
Standard:



Check and replace tvip ecu
Other materials:
Replacement
1. Discharge refrigerant from refrigeration system
turn the a/c switch on.
operating the cooler compressor at the engine rpm of approx. 1000
For 5 to 6 min., Circulate the refrigerant
and collect compressor oil remaining in each component into the cooler
compressor as much ...
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 ...
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector between the airbag sensor
assy center and the horn button assy.
for the black ...


