Inspection 1. The windshield deicer switch inputs can be checked using the GDS. 2. To check the input value of windshield deicer switch, select option "IPM".
Component Location 1. Rear glass defogger relay (Engine room relay box)2. Rear glass defogger switch (A/C controller)3. Rear glass defogger
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.