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 transmission wire(slt)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
Measure the resistance according to the value(s) in the
table below.
Standard (check for short):
...
Pressing power switch does not start system
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(+b, acc, gnd)
Check that the continuity between terminals at each
condition, as shown in the chart.
Standard:
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
...
Instrument panel/meter
Preparation
Sst
Recomended tools
Equipment
Seat
Preparation
Equipment
Theft deterrent & door lock
Preparation
Recomended tools
...


