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Home >> Toyota >> 2019 >> Mirai >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Lin Communication System - Diagnostic Codes & Symptom Tests >> Lin Communication System >> DTC B2321: Driver Side Door ECU Communication Stop [06/2015 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • When using the Techstream with the power switch off to troubleshoot:

    Connect the Techstream to the vehicle and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.

  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  • When the front power window regulator motor assembly is removed and reinstalled or replaced, the front power window regulator motor assembly must be initialized.

    Refer to INITIALIZATION [06/2015 - ]

  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration.

    Refer to REGISTRATION [06/2015 - ]

HINT: 

DTC B2325 is output when the communication between all of the following components and main body ECU (multiplex network body ECU) stops.

Refer to DTC B2325: LIN Communication Bus Malfunction [06/2015 - ]