Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ignition switch circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check ignition or starter switch assy

- Check the ignition switch, as shown in the illustration and table.
Standard:



2 Check fuse (ecu–b)

- Remove the fuse from the instrument panel j/b.
- check the continuity of the fuse.
Standard: continuity


3 Check relay (marking: ig1)

- Remove the relay from the instrument j/b.
- inspect the relay continuity, as shown in the illustration and table.
Standard:



4 Check tvip ecu

- Disconnect the tvip ecu connector.
- turn the ignition switch on.
- 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:
RSA (Road Sign Assist)
The RSA system detects
specific road signs using
the front camera and/or navigation
system (when speed
limit information is available)
and warns the driver
via displays and buzzers.
WARNING
■For safe use
Driving safely is solely the
responsibility of the driver. Pay
careful attention to the su ...
On–vehicle inspection
1. Inspect refrigerant pressure with manifold gauge set
this is a method in witch the trouble is located by using
a manifold gauge set. Read the manifold gauge pressure
when the these conditions are established.
Test conditions:
temperature at the air inlet with the switch set
...
Emission inspection and maintenance (I/M) programs
Some states have vehicle
emission inspection programs
which include OBD
(On Board Diagnostics)
checks. The OBD system
monitors the operation of
the emission control system.
If the malfunction indicator
lamp comes on
The OBD system determines
that a problem exists somewhere
in the emission control
sy ...


