DTC B1321-87: Lost Communication with EMV Missing Message [04/2018 - ]: Description

WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

The combination meter assembly and radio and display receiver assembly communicate via local bus communication. This allows audio and visual system information to be displayed on the multi-information display.

This DTC is stored when a communication error occurs between the radio and display receiver assembly and combination meter assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
B1321-87	Lost Communication with EMV Missing Message	Diagnosis Condition: The engine switch is on (IG) IG power source voltage is 9.5 V or more Malfunction Status: No communication with radio and display receiver assembly Malfunction Time: 30 seconds or more	Harness or connector Radio and display receiver assembly Meter mirror sub-assembly* Combination meter assembly	DTC stored	-

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

B1321-87

Lost Communication with EMV Missing Message

Diagnosis Condition:

The engine switch is on (IG)
IG power source voltage is 9.5 V or more

Malfunction Status:

No communication with radio and display receiver assembly

Malfunction Time:

30 seconds or more

Harness or connector
Radio and display receiver assembly
Meter mirror sub-assembly*
Combination meter assembly

DTC stored

*: w/ Headup Display System