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:
Side mudguard sub–assy lh
Replacement
Hint:
use the same procedures for the rh side and lh side.
1. Remove side mudguard sub–assy lh
Using a clip remover, remove the 8 retainers and 9 clips.
using a moulding remover, remove the mudguard.
2. Install side mudguard sub–assy lh
Install the mudgu ...
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 ...
Circuit description
A flat type knock sensor (non–resonant type) has the structure that can
detect the vibration in a wider band
of frequency from about 6 khz to 15 khz and has the following features.
Knock sensors are fitted on the cylinder block to detect the engine knocking.
The sensor contains a piezoele ...


