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Home >> Toyota >> 2019 >> Mirai >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Heated Glass/Defoggers >> Window Deicer System - Diagnostics & Symptom Tests >> Windshield Deicer System >> Windshield Deicer does not Operate [06/2015 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • If the auxiliary battery voltage is low, the windshield deicer system may not operate. Refer to Data List for the power steering system.

    Refer to DATA LIST / ACTIVE TEST [06/2015 - ]

  • The power window control system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2015 - ]