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 stored.
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 stored.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2341 |
Sensor (motor) failure (When the sliding roof ECU enters fail-safe mode due to a problem with the motor) |
|
B2344 |
Position failure (When the sliding roof ECU enters fail-safe mode due to a problem with the gear position) |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation (See page ).
OK:
Auto operation operates normally.
NG |
GO TO STEP 3 |
|
2. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Check for DTCs.
OK:
DTC B2341 or B2344 is not output.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
3. |
INITIALIZE SLIDING ROOF ECU (SLIDING ROOF HOUSING SUB-ASSEMBLY) |
(a) Check that the sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized (See page ).
OK:
Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.
NG |
GO TO STEP 5 |
|
4. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Check for DTCs.
OK:
DTC B2341 or B2344 is not output.
OK |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
NG |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
5. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH AND BODY GROUND) |
(a) Disconnect the R44 sliding roof switch (roof console box assembly) connector.
(b) Disconnect the S50 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S50-5 (CLS) - R44-18 (CLS) |
Always |
Below 1 Ω |
S50-5 (CLS) - Body ground |
Always |
10 kΩ or higher |
S50-7 (OPN) - R44-19 (OPN) |
Always |
Below 1 Ω |
S50-7 (OPN) - Body ground |
Always |
10 kΩ or higher |
S50-6 (DWN) - R44-20 (DOWN) |
Always |
Below 1 Ω |
S50-6 (DWN) - Body ground |
Always |
10 kΩ or higher |
S50-4 (UP) - R44-17 (UP) |
Always |
Below 1 Ω |
S50-4 (UP) - Body ground |
Always |
10 kΩ or higher |
R44-12 (GND) - Body ground |
Always |
Below 1 Ω |
S50-12 (E) - Body ground |
Always |
Below 1 Ω |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) |
(a) Remove the sliding roof switch (roof console box assembly) (See page ). |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
17 (UP) - 12 (GND) |
UP switch is pressed |
Below 1 Ω |
17 (UP) - 12 (GND) |
UP switch is not pressed |
10 kΩ or higher |
20 (DOWN) - 12 (GND) |
DOWN switch is pressed |
Below 1 Ω |
20 (DOWN) - 12 (GND) |
DOWN switch is not pressed |
10 kΩ or higher |
19 (OPN) - 12 (GND) |
OPEN switch is pressed |
Below 1 Ω |
19 (OPN) - 12 (GND) |
OPEN switch is not pressed |
10 kΩ or higher |
18 (CLS) - 12 (GND) |
CLOSE switch is pressed |
Below 1 Ω |
18 (CLS) - 12 (GND) |
CLOSE switch is not pressed |
10 kΩ or higher |
*a |
Component without harness connected (Sliding Roof Switch (Roof Console Box Assembly)) |
OK |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
NG |
REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) |
Components
COMPONENTS
ILLUSTRATION
*1
RADIATOR GRILLE
-
-
ILLUSTRATION
*A
for Type A
*B
for Type B
*C
for Type C
-
-
*1
MILLIMET ...
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
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