B1275

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: B1275: Accessory Bus Buffer Communication Stop
B1275 - Accessory Bus Buffer Communication Stop

DESCRIPTION

This DTC is detected when communication between the BEAN bus buffer and the gateway ECU stops for more than 10 seconds.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK RESISTANCE OF COMMUNICATION LINE

(a) Disconnect the D16, D7 and IR connectors.

(b) Measure the resistance according to the value(s) in the table below.

Resistance:





Result:





C -- REPAIR OR REPLACE HARNESS OR CONNECTOR

B -- REPLACE OPTION CONNECTOR AND REPAIR OR REPLACE HARNESS OR CONNECTOR

A -- REPLACE OPTION CONNECTOR