Up to 08/2009

SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2341,B2344: Sensor (Motor) Failure
B2341 - Sensor (Motor) Failure
B2344 - Position Failure

DESCRIPTION

When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is output.

When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is output.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.
* When the sliding roof ECU (sliding roof drive gear sub-assembly) is replaced or removed and reinstalled, it requires initialization Initialization.
PROCEDURE

1. CHECK SLIDING ROOF OPERATION

(a) Check the sliding roof auto operation Operation Check.

OK:

Auto operation operates normally.

NG -- INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
OK -- Continue to next step.

2. CHECK DTC OUTPUT

(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs.

OK:

DTC B2341 or B2344 is not output.

NG -- REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Removal

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

3. INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

(a) Check that the sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized Initialization.

OK:

Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.

NG -- CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH)
OK -- Continue to next step.

4. CHECK DTC OUTPUT

(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs.

OK:

DTC B2341 or B2344 is not output.

NG -- REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Removal

OK -- END

5. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH)

(a) Disconnect the T10 switch connector.





(b) Disconnect the T2 ECU connector.

(c) 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.

6. INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)

(a) Remove the sliding roof switch (map light assembly) Removal.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) Removal

OK -- REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) Removal