Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Horn relay circuit / Circuit description
Toyota Corolla (E120): Circuit description
When the tvip system is transferred from the armed state to the alarm sounding state, the tvip ecu switches on the horn relay so that it can sound the horns. The horn sounds in 0.4 Seconds interval.
Wiring diagram
Other materials:
Maintenance requirements
To ensure safe and economical
driving, day-to-day care
and regular maintenance
are essential. It is the
owner's responsibility to
perform regular checks.
Toyota recommends the
maintenance below.
■Repair and replacement
It is recommended that genuine
Toyota parts be used for repairs to
ensure perf ...
Problem symptoms table
Hint:
use the table below to help determine the cause of the problem. The numbers
indicate the priority of the
likely cause of the problem. Check each part in order. If necessary, replace
these parts.
1. Headlamp and tail lamp
2. Front fog lamp system
3. Turn signal and hazard warni ...
Check mode procedure
1. Dtc check (check mode)
Hint:
hand–held tester only:
compared to the normal mode, the check mode has more sensing
ability to detect malfunctions. Furthermore, the same diagnostic
items which are detected in the normal mode can also be
detected in the check mode.
Procedure for check m ...