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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (1 Of 3) >> Meter / Gauge System >> DTC B1321-87: Lost Communication with EMV Missing Message [11/2021 - 12/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  • After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

    Refer to BEFORE DISCONNECTING BATTERY [11/2021 - 12/2022]

  • When disconnecting and reconnecting the auxiliary battery

    Refer to WORK PROCEDURE [11/2020 - 12/2022]

    HINT: 

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [11/2021 - 12/2023]