B2550
CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B2550: Passenger Door ECU Communication Stop
DTC B2550 - Passenger Door ECU Communication Stop
DESCRIPTION
The sliding roof control ECU receives the multiplex signals (Passenger side window position).
The sliding roof operation will be stopped if the window does not open further from the specified position.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - DOOR ECU FRONT RH)
(a) Check the wire harness B1214.
NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH