Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the windshield deicer system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Security Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) controls
the security horn.
WIRING DIAGRAM
PROCEDURE
1.
PERFORM A ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT TIRES
(a) Inspect the tires for wear and proper inflation pressure.
Cold Tire Inflation Pressure:
Tire Size
Front
kPa (kgf/cm2, psi)
Rear
kPa (kgf/cm2, psi)
P245/55R1 ...