Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Ignition switch circuit
Toyota Corolla (E120): Ignition switch circuit
Other materials:
Child restraint system
fixed with an ISOFIX lower
anchorage (for Puerto
Rico)
■ ISOFIX lower anchorages
(ISOFIX child restraint system)
Lower anchorages are provided
for the outboard rear seats.
(Marks displaying the location of
the anchorages are attached to
the seats.)
■ When installing in the rear
outboard seats
Install the child restraint system
in accordance to the ...
Cd cannot be taken out
Wiring diagram
Inspection procedure
1 Check if radio auto–search functions properly
Check if the radio auto–search function properly.
Perform the auto–research of the radio and check that the
operation is normal.
Standard: malfunction disappear.
2 Press ”eject ...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...


