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

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