Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Open circuit in stop light switch
circuit / Circuit description
Toyota Corolla (E120): Circuit description

Wiring diagram

Other materials:
Overhaul
1. Precaution
2. Disconnect battery negative terminal
3. Inspect place front wheels facing straight ahead
4. Remove horn button assy
Notice:
if the airbag connector is disconnected with the ignition
switch being at on, dtcs will be recorded.
using a torx socket wrench, loosen the ...
Inspection procedure
1 Input signal check
See input signal check on page 05–745.
check the indicator light operation when each of the set/
coast, resume/accel and cancel is turned on.
Ok:
set/coast, resume/accel switch:
the signals shown in the table on the left should be
output when each switch is ...
Monitor description
The battery supplies electricity to the ecm even when the ignition switch is
off. This electricity allows the
ecm store data such as dtc history, freeze frame data, fuel trim values, and
other data. If the battery voltage
falls below a minimum level, the ecm will conclude that there is a fault ...


