Inspection Lighting Switch Inspection With the multi function switch in each position, make sure that continuity exists between the terminals below.
Component Location 1. Horn switch2. Horn relay (Engine room compartment)3. Horn - High pitch4. Horn - Low pitch5. Clock spring
Troubleshooting Examples of False-Alarm Occurrence from system characteristics (It’s not a problem) – Characteristics of EM Wave : EM Waves are reflected against all material and especially metal very well. Reflections of EM Waves are varies with the shape of object.
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.