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Home >> Lexus >> 2021 >> RC F Fuji Speedway Edition >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes (1 Of 2) >> Navigation System >> DTC B1321: Lost Communication with EMV; DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1563: Haptic Device Disconnected [09/2014 - 11/2017] >> Description

DTC B1321: Lost Communication with EMV; DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1563: Haptic Device Disconnected [09/2014 - 11/2017]: Description

These DTCs are stored when communication between the radio receiver assembly and remote touch (remote operation controller assembly) or combination meter assembly is not possible.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1321 Lost Communication with EMV The radio receiver assembly cannot receive data from the remote touch (remote operation controller assembly).
  • Local bus circuit between radio receiver assembly and remote touch (remote operation controller assembly)
  • Remote touch (remote operation controller assembly) power source circuit
  • Remote touch (remote operation controller assembly)
  • Combination meter assembly
  • Radio receiver assembly
  • Harness or connector
B1323 Lost Communication with Haptic Device The remote touch (remote operation controller assembly) cannot receive data from the radio receiver assembly.
  • Local bus circuit between radio receiver assembly and remote touch (remote operation controller assembly)
  • Remote touch (remote operation controller assembly) power source circuit
  • Remote touch (remote operation controller assembly)
  • Combination meter assembly
  • Radio receiver assembly
  • Harness or connector
B1324 Lost Communication with Meter After the radio receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the engine switch is on (IG), 1 or more times, the radio receiver assembly cannot receive the signal for 30 seconds or more
  • Local bus circuit between radio receiver assembly and remote touch (remote operation controller assembly)
  • Remote touch (remote operation controller assembly) power source circuit
  • Remote touch (remote operation controller assembly)
  • Combination meter assembly
  • Radio receiver assembly
  • Harness or connector
B1563 Haptic Device Disconnected The remote touch (remote operation controller assembly) is/was not connected while the engine switch is/was on (ACC) or on (IG).
  • Local bus circuit between radio receiver assembly and remote touch (remote operation controller assembly)
  • Remote touch (remote operation controller assembly) power source circuit
  • Remote touch (remote operation controller assembly)
  • Combination meter assembly
  • Radio receiver assembly
  • Harness or connector