B1208

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: B1208: Passenger Side Outer Mirror ECU

DTC B1208 - Passenger Side Outer Mirror ECU

DESCRIPTION
- This DTC is detected when communication between the outer mirror control ECU RH and multiplex network gateway ECU stops for more than 10 seconds.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU RH - BATTERY)





(a) Disconnect the O11 ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU RH - GROUND)





(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. CHECK COMMUNICATION LINE





(a) Disconnect the G4 ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






Result:






C -- REPAIR OR REPLACE HARNESS OR CONNECTOR
B -- REPAIR OR REPLACE HARNESS OR CONNECTOR AND OUTER MIRROR CONTROL ECU RH
A -- REPLACE OUTER MIRROR CONTROL ECU RH