Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Horn relay circuit
Toyota Corolla (E120): Horn relay circuit
Other materials:
Inspection procedure
1 Check courtesy lamp switch
Check the courtesy switch, as shown in the illustration
and table.
Standard:
2 Check wire harness (integration relay door courtesy sw)
Disconnect the integration relay and door courtesy connectors.
check the continuity between th ...
Setting the tire pressure
(vehicles with a tire pressure
warning system)
In the following situations, it will
be necessary to perform the tire
inflation pressure setting procedure
of the tire pressure warning
system.
When the specified tire inflation
pressure has changed,
such as due to carried load,
etc.
When the tire inflation pressure
is changed such as
when t ...
Basic inspection
Resistance measuring condition of electronic parts
unless stated, all resistance is measured at an ambient
temperature of 20 c (68 °F). As the resistance
may be outside the specifications if measured at high temperatures
immediately after
the vehicle has been running, measu ...