B2502

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B2502: Open in Roof Drive Motor RH Circuit
B2502 - Open in Roof Drive Motor RH Circuit

DESCRIPTION

The sliding roof control ECU assembly operates the roof panels, luggage door, back window panel and package trays in the specified order while the sliding roof switch assembly is operated. The sliding roof drive gear assembly RH/LH (roof motor RH/LH) operates the roof panels.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* Since this malfunction may be detected due to the protection circuit operation in the motor, check that the motor has cooled down sufficiently before performing DTC check again.
* These DTCs are stored when the protection circuit in the motor operates due to a mechanical malfunction during metal top system operation.
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. INSPECT SLIDING ROOF DRIVE GEAR ASSEMBLY RH (ROOF MOTOR RH)

(a) Remove the sliding roof drive gear assembly RH (roof motor RH).





(b) Apply battery voltage and check operation of the roof motor.

OK:





Text in Illustration





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

2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR RH - SLIDING ROOF CONTROL ECU)

(a) Disconnect the P56 and P54 connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY