DTC B1321: Lost Communication with EMV [11/2017 - ]: Description

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

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
B1321	Lost Communication with EMV	Diagnosis Condition: The engine switch is on (IG) IG power source voltage is 9.5 V or more Malfunction Status: No communication with radio receiver assembly Malfunction Time: 30 seconds or more	Radio receiver assembly Remote touch (Remote operation controller assembly) Harness or connector Combination meter assembly

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

B1321

Lost Communication with EMV

Diagnosis Condition:

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

Malfunction Status:

No communication with radio receiver assembly

Malfunction Time:

30 seconds or more

Radio receiver assembly
Remote touch (Remote operation controller assembly)
Harness or connector
Combination meter assembly