Horn Circuit

Circuit diagnosis

DESCRIPTION

When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU RH transmits a signal to cause the horn to sound at intervals of 0.4 seconds.

WIRING DIAGRAM

INSPECTION PROCEDURE

1. INSPECT HORN

Inspect horn operation.
1. Press the horn switch and check if the horns sound.
  
  Result:
  
  Result
  Go to
  
  Horns sound
  A
  
  Horns do not sound
  B

GO TO HORN SYSTEM

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Result	Go to
Horns sound	A
Horns do not sound	B