B1213

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: B1213: Tilt and Telescopic ECU Communication Stop

DTC B1213 - Tilt and Telescopic ECU Communication Stop

DESCRIPTION
HINT: "Tilt and telescopic ECU" refer to the multiplex tilt and telescopic ECU.
- This DTC is output when communication stops between the multiplex tilt and telescopic ECU and body ECU.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (COMMUNICATION LINE)




(a) Disconnect the T6 ECU and B3 J/B 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 MULTIPLEX TILT AND TELESCOPIC ECU