B2501

CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B2501: Short in Roof Drive Motor RH Circuit
B2501 - Short in Roof 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 roof panel while adjusting the speed of the left and right motors.





WIRING DIAGRAM





INSEPCTION PROCEDURE

PROCEDURE

1. INSPECT SLIDING ROOF DRIVE GEAR ASSEMBLY RH

(a) Remove the sliding roof drive gear RH Removal.





(b) Apply battery voltage to the drive gear terminals and check operation of the sliding roof drive gear RH.

OK:





NG -- REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY RH
OK -- Continue to next step.

2. CHECK WIRE HARNESS FOR SHORT CIRCUIT (ECU - SLIDING ROOF DRIVE GEAR RH)

(a) Disconnect the S20 ECU connector.





(b) Disconnect the R17 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