B2511

SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B2511: Open in Roof Lock Motor Circuit
B2511 - Open in Roof Lock Motor Circuit

DESCRIPTION

The sliding roof drive gear sub-assembly (roof front lock motor) locks/unlocks the roof lock when the roof panels are fully closed, and locks/unlocks the roof retaining mechanism when the roof panels are stowed in the luggage compartment.





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 SUB-ASSEMBLY (ROOF FRONT LOCK MOTOR)

(a) Remove the sliding roof drive gear sub-assembly (roof front lock motor).





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

resistance:





Text in Illustration





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

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

(a) Disconnect the e1 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 -- Continue to next step.

3. CHECK SLIDING ROOF CONTROL ECU ASSEMBLY (POWER SOURCE)

(a) Disconnect the P54 connector.





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

Standard Voltage:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY