B256B

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B256B: Lock in Side Package Tray Motor RH Circuit
B256B - Lock in Side Package Tray 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 side package tray trim motor RH operates the No. 1 package tray trim hinge.





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.
* Before starting troubleshooting, perform the switch inspection for DTC B253D and B253E.

PROCEDURE

1. INSPECT NO. 1 PACKAGE TRAY TRIM HINGE (SIDE PACKAGE TRAY TRIM MOTOR RH)

(a) Remove the side package tray trim motor RH.





(b) Apply battery voltage to the motor connector according to the table below.

OK:





(c) Connect an electrical tester DC 400 A probe to the wire harness of the motor.

NOTICE:
Match the arrow mark of the probe with the direction of the current flow.

(d) Measure the current according to the value(s) in the table below.

NOTICE:
Make sure to perform the inspection after the motor cools down sufficiently. Otherwise the result may not meet the specified condition due to protection circuit operation in the motor.

Standard Current:





Text in Illustration





NG -- REPLACE NO. 1 PACKAGE TRAY TRIM HINGE (SIDE PACKAGE TRAY TRIM MOTOR RH)
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (NO. 1 PACKAGE TRAY TRIM HINGE - SLIDING ROOF CONTROL ECU)

(a) Disconnect the h9 and Q36 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 NO. 1 PACKAGE TRAY TRIM HINGE (HARNESS AND CONNECTOR)

(a) Disconnect the h9 and A connectors.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE NO. 1 PACKAGE TRAY TRIM HINGE (HARNESS OR CONNECTOR)

OK -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY