B1216

MULTIPLEX COMMUNICATION: MULTIPLEX COMMUNICATION SYSTEM: B1216: Rear Door ECU RH Communication Stop

DTC B1216 - Rear Door ECU RH Communication Stop

DESCRIPTION

DTC B1216 is output when communication between the power slide door ECU RH and the multiplex network gateway ECU stops for more than 10 seconds.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - BATTERY)





(a) Disconnect the P28 and P27 ECU connectors.
(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 (POWER SLIDE DOOR 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 POWER SLIDE DOOR ECU RH
A -- REPLACE POWER SLIDE DOOR ECU RH