B1248

NETWORKING: MULTIPLEX COMMUNICATION SYSTEM: B1248: AVC-LAN Communication Impossible

DTC B1248 - AVC-LAN Communication Impossible

DESCRIPTION

This DTC is detected if communication between the AVC-LAN (radio receiver assembly or multi-display assembly) and multiplex network gateway ECU stops for more than 10 seconds.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK OPERATION
(a) Check for AVC-LAN communication DTCs.
OK:
AVC-LAN communication DTCs are not output, and there are no symptoms specified in the problem symptoms table.
NG -- GO TO "DIAGNOSTICS TROUBLE CODE CHART" OF AUDIO SYSTEM OR NAVIGATION SYSTEM
OK -- REPLACE GATEWAY ECU