B2505

CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B2505: Short in Luggage Door Drive Motor RH Circuit

DTC B2505 - Short in Luggage Door Drive Motor RH Circuit

DESCRIPTION

With the roof control switch being pressed, the sliding roof control ECU operates the roof panel, luggage door and package tray (in that order).
The ECU operates the luggage door while adjusting the speed of the left and right motors.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT LUGGAGE DOOR DRIVE GEAR ASSEMBLY RH (LUGGAGE DOOR DRIVE MOTOR RH)




(a) Remove the luggage door drive gear RH Removal.
(b) Apply battery voltage to the drive gear terminals and check operation of the luggage door drive gear RH.
OK:






NG -- REPLACE LUGGAGE DOOR DRIVE GEAR ASSEMBLY RH
OK -- Continue to next step.
2. CHECK WIRE HARNESS FOR SHORT CIRCUIT (ECU - LUGGAGE DOOR DRIVE GEAR RH)




(a) Disconnect the S20 ECU connector.
(b) Disconnect the L18 drive gear connector.
(c) Measure the resistance of the wire harness side connector.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE SLIDING ROOF CONTROL ECU