B250C

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B250C: Open in Back Window Panel Drive Motor LH Circuit
B250C - Open in Back Window Panel Drive Motor LH 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 (back window motor LH) operates the back window panel.





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 (BACK WINDOW MOTOR LH)

(a) Remove the sliding roof drive gear assembly (back window motor LH).





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

OK:





Text in Illustration





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

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

(a) Disconnect the Q41 and Q35 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 -- Continue to next step.

3. CHECK SLIDE ROOF MOTOR ASSEMBLY (HARNESS AND CONNECTOR)

(a) Disconnect the Q41 and A connectors.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE SLIDE ROOF MOTOR ASSEMBLY (HARNESS OR CONNECTOR)

OK -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY