Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ignition switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.
Wiring diagram

Other materials:
Inspection procedure
1 Inspect dlc3 terminal voltage(ts terminal)
Turn the ignition switch to on.
measure voltage between terminals ts and cg of dlc3.
Ok:
voltage: 10 – 14 v
2 Check harness and connector(dlc3 – body ground)
Check for open and short circuit in harness and connector between
...
If a warning message is displayed
The multi-information display
shows warnings for
system malfunctions and
incorrectly performed operations,
and messages that
indicate a need for maintenance.
When a message is
displayed, perform the
appropriate corrective
action for the message.
If a warning message is displayed
again after the
ap ...
Entire combination meter does not operate
Wiring diagram
Inspection procedere
1 Check fuse
Check that continuity exists of dome fuse.
check that continuity exists of gauge fuse.
check that continuity exists of am1 fuse.
2 Inspect combination meter assy
Check continuity.
Disconnect the ” ...


