DTC Code | DTC Name |
---|---|
B2341 | Sensor (Motor) Failure |
B2344 | Position Failure |
DESCRIPTION
When the sliding roof drive gear sub-assembly (sliding roof ECU) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is output.
When the sliding roof drive gear sub-assembly (sliding roof ECU) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is output.
DTC Code | DTC Detection Condition | Trouble Area |
---|---|---|
B2341 | Sensor (motor) failure (When the ECU enters fail-safe mode due to a problem with the motor) |
|
B2344 | Position failure (When the ECU enters fail-safe mode due to a problem with the gear position) |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
When the sliding roof drive gear sub-assembly (sliding roof ECU) is removed and reinstalled or replaced, it requires initialization Click here.
PROCEDURE
CHECK SLIDING ROOF OPERATION
Check the sliding roof auto operation Click here.
OK |
---|
Auto operation operates normally. |
NG |
INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here |
OK |
CHECK DTC OUTPUT
Clear the DTC Click here.
Recheck for DTCs Click here.
OK |
---|
DTC B2341 and B2344 is not output. |
OK |
USE SIMULATION METHOD TO CHECK Click here |
NG |
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here |
INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
Check that the sliding roof drive gear sub-assembly (sliding roof ECU) can be initialized Click here.
OK |
---|
Sliding roof drive gear sub-assembly (sliding roof ECU) can be initialized. |
NG |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY AND BODY GROUND) Click here |
OK |
CHECK DTC OUTPUT
Clear the DTC Click here.
Recheck for DTCs Click here.
OK |
---|
DTC B2341 and B2344 is not output. |
OK |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
NG |
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY AND BODY GROUND)
Disconnect the Y4 sliding roof drive gear sub-assembly (sliding roof ECU) connector.
Disconnect the Y9 map light assembly (sliding roof switch) connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)
*a | Component without harness connected (Map Light Assembly [Sliding Roof Switch]) |
Remove the map light assembly (sliding roof switch) Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here |
NG |
REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) Click here |