DESCRIPTION
When the sliding roof ECU (sliding roof drive gear assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored.
When the sliding roof ECU (sliding roof drive gear assembly) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B2341 | Sensor (Motor) Failure | Sensor (motor) failure (When the sliding roof ECU (sliding roof drive gear assembly) enters fail-safe mode due to a problem with the motor) |
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B2344 | Position Failure | Position failure (When the sliding roof ECU (sliding roof drive gear assembly) enters fail-safe mode due to a problem with the gear position) |
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. | CHECK FOR DTC |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble CodesOK:
DTCs B2341 and B2344 are not output.
OK | USE SIMULATION METHOD TO CHECK |
|
2. | CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation function.
Click here
OK:
Auto operation function operates normally.
NG | GO TO STEP 4 |
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3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble CodesOK:
DTCs B2341 and B2344 are not output.
OK | USE SIMULATION METHOD TO CHECK |
NG | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
4. | INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
(a) Check that the sliding roof ECU (sliding roof drive gear assembly) can be initialized.
Click here
OK:
Sliding roof ECU (sliding roof drive gear assembly) can be initialized.
NG | GO TO STEP 6 |
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5. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble CodesOK:
DTCs B2341 and B2344 are not output.
OK | END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
NG | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
6. | CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - PANORAMIC MOON ROOF SWITCH (MAP LIGHT SUB-ASSEMBLY) AND BODY GROUND) |
(a) Disconnect the Q1 sliding roof ECU (sliding roof drive gear assembly) connector.
(b) Disconnect the P13 panoramic moon roof switch (map light sub-assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
Q1-8 (CLS) - P13-12 (CLS) | Always | Below 1 Ω |
Q1-8 (CLS) or P13-12 (CLS) - Body ground | Always | 10 kΩ or higher |
Q1-10 (OPN) - P13-11 (OPN) | Always | Below 1 Ω |
Q1-10 (OPN) or P13-11 (OPN) - Body ground | Always | 10 kΩ or higher |
Q1-4 (TILT) - P13-7 (B) | Always | Below 1 Ω |
Q1-4 (TILT) or P13-7 (B) - Body ground | Always | 10 kΩ or higher |
Q1-5 (OPN) - P13-23 (UP) | Always | Below 1 Ω |
Q1-5 (OPN) or P13-23 (UP) - Body ground | Always | 10 kΩ or higher |
Q1-9 (CLS) - P13-24 (DOWN) | Always | Below 1 Ω |
Q1-9 (CLS) or P13-24 (DOWN) - Body ground | Always | 10 kΩ or higher |
Q1-2 (E) - Body ground | Always | Below 1 Ω |
P13-19 (GND) - Body ground | Always | Below 1 Ω |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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7. | INSPECT PANORAMIC MOON ROOF SWITCH (MAP LIGHT SUB-ASSEMBLY) |
(a) Remove the panoramic moon roof switch (map light sub-assembly).
Click here
(b) Inspect the panoramic moon roof switch (map light sub-assembly).
Click here
OK | REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
NG | REPLACE PANORAMIC MOON ROOF SWITCH (MAP LIGHT SUB-ASSEMBLY) |