B1276

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: B1276: Power Mirror Control ECU Communication Stop

DTC B1276 - Power Mirror Control ECU Communication Stop

DESCRIPTION
HINT: "Power mirror control ECU" refer to the outer mirror control ECU.
- This DTC is output when communication stops between the outer mirror control ECU and body ECU.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (COMMUNICATION LINE)




(a) Disconnect the R10 and T6 ECU connectors.
(b) Check the resistance between the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE)




(a) Check the voltage between the wire harness side connector and body ground.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (GROUND)




(a) Check the resistance between the wire harness side connector and body ground.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE OUTER MIRROR CONTROL ECU