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Home >> Lexus >> 2017 >> NX 300h >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System (Except 8 Speakers) - Diagnostic Codes & Symptom Tests >> AUDIO AND VISUAL SYSTEM (except 8 Speakers) >> DTC B1321: Lost Communication with EMV; DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1563: Haptic Device Disconnected [10/2014 - 09/2017] >> 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 [10/2014 - 09/2017]: Description

These DTCs are stored when communication between the radio receiver assembly and remote touch 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.
  • Local bus circuit between radio receiver assembly and remote operation controller assembly
  • Remote operation controller assembly power source circuit
  • Harness or connector
  • Combination meter assembly
  • Remote operation controller assembly
  • Radio receiver assembly
B1323 Lost Communication with Haptic Device The remote touch cannot receive data from the radio receiver assembly.
  • Local bus circuit between radio receiver assembly and remote operation controller assembly
  • Remote operation controller assembly power source circuit
  • Harness or connector
  • Combination meter assembly
  • Remote operation controller assembly
  • Radio receiver assembly
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 power 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 operation controller assembly
  • Remote operation controller assembly power source circuit
  • Harness or connector
  • Combination meter assembly
  • Remote operation controller assembly
  • Radio receiver assembly
B1563 Haptic Device Disconnected The remote touch is/was not connected while the power switch is/was on (ACC or IG).
  • Local bus circuit between radio receiver assembly and remote operation controller assembly
  • Remote operation controller assembly power source circuit
  • Harness or connector
  • Combination meter assembly
  • Remote operation controller assembly
  • Radio receiver assembly