B2344

SLIDING ROOF: SLIDING ROOF SYSTEM: B2341,B2344: Sensor (Motor) Failure

DTC B2341 - Sensor (Motor) Failure

DTC B2344 - Position Failure

DESCRIPTION

When the sliding roof drive gear sub-assembly (sliding roof control ECU) detects malfunctions in the motor, and the sliding roof operation is stopped, DTC B2341 is output. When the sliding roof drive gear sub-assembly (sliding roof control ECU) detects malfunctions in the gear, and the sliding roof operation is stopped, DTC B2344 is output.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK SLIDING ROOF FUNCTION
(a) Check the auto operation with the OPEN, DOWN, CLOSE, and UP switches On-Vehicle Inspection.
OK:
Auto operation operates normally with OPEN, DOWN, CLOSE, and UP switches.
NG -- INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
OK -- Continue to next step.
2. DELETE DTC
(a) Delete the DTCs Reading and Clearing Diagnostic Trouble Codes.
NEXT -- END
3. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
(a) Check that the sliding roof drive gear sub-assembly can be initialized Initialization.
OK:
Sliding roof drive gear sub-assembly can be initialized.
NG -- CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY)
OK -- Continue to next step.
4. CHECK SLIDING ROOF FUNCTION
(a) Check the auto operation with the OPEN, DOWN, CLOSE, and UP switches On-Vehicle Inspection.
OK:
Auto operation operates normally with OPEN, DOWN, CLOSE, and UP switches.
NG -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
OK -- Continue to next step.
5. DELETE DTC
(a) Delete the DTCs Reading and Clearing Diagnostic Trouble Codes.
NEXT -- END
6. CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY)




(a) Disconnect the Q12 and Q6 connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
7. INSPECT ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)




(a) Remove the roof console box assembly.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)
OK -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)