DESCRIPTION
This DTC is output when the sliding roof drive gear (sliding roof ECU) has not
been initialized.
DTC Code
|
DTC Detection Condition
|
Trouble Area
|
B2343
|
Sliding roof drive gear (sliding roof ECU) has not been initialized
|
- Sliding roof switch
- Roof console box
- Harness and connector
- Sliding roof drive gear (sliding roof ECU)
|
WIRING DIAGRAM
PROCEDURE
1.
|
INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
|
(a) Check that the sliding roof drive gear can be initialized (see page
).
OK:
Sliding roof drive gear can be initialized.
NG |
|
GO TO STEP 3
|
OK |
|
|
(a) Clear the DTCs (see page ).
(b) Check for DTCs (see page ).
Result
Result
|
Proceed to
|
No DTC is output
|
A
|
DTC B2343 is output
|
B
|
A |
|
END
|
B |
|
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
|
3.
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - ROOF CONSOLE BOX)
|
(a) Disconnect the W3 ECU connector.
|
|
(b) Disconnect the W7 roof console box connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Tester Connection
|
Condition
|
Specified Condition
|
W3-1 (UP) - W7-6 (UP)
|
Always
|
Below 1 Ω
|
W3-2 (DWN) - W7-5 (DOWN)
|
Always
|
Below 1 Ω
|
W3-6 (OPN) - W7-4 (OPN)
|
Always
|
Below 1 Ω
|
W3-7 (CLS) - W7-3 (CLS)
|
Always
|
Below 1 Ω
|
W7-6 (UP) - Body ground
|
Always
|
10 kΩ or higher
|
W7-5 (DOWN) - Body ground
|
Always
|
10 kΩ or higher
|
W7-3 (CLS) - Body ground
|
Always
|
10 kΩ or higher
|
W7-4 (OPN) - Body ground
|
Always
|
10 kΩ or higher
|
W7-7 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK |
|
|
4.
|
INSPECT SLIDING ROOF SWITCH
|
(a) Remove the sliding roof switch (see page
).
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Tester Connection
|
Switch Condition
|
Specified Condition
|
1 (UP) - 5 (E)
|
TILT switch is pressed to up
|
Below 1 Ω
|
1 (UP) - 5 (E)
|
TILT switch is not pressed to up
|
10 kΩ or higher
|
2 (DWN) - 5 (E)
|
TILT switch is pressed to down
|
Below 1 Ω
|
2 (DWN) - 5 (E)
|
TILT switch is not pressed to down
|
10 kΩ or higher
|
4 (OPN) - 5 (E)
|
SLIDE switch is pressed to open
|
Below 1 Ω
|
4 (OPN) - 5 (E)
|
SLIDE switch is not pressed to open
|
10 kΩ or higher
|
3 (CLS) - 5 (E)
|
SLIDE switch is pressed to close
|
Below 1 Ω
|
3 (CLS) - 5 (E)
|
SLIDE switch is not pressed to close
|
10 kΩ or higher
|
NG |
|
REPLACE SLIDING ROOF SWITCH
|
OK |
|
|
5.
|
INSPECT ROOF CONSOLE BOX ASSEMBLY
|
(a) Remove the roof console box with sliding roof switch (see page
).
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Tester Connection
|
Switch Condition
|
Specified Condition
|
6 (UP) - 7 (E)
|
TILT switch is pressed to up
|
Below 1 Ω
|
6 (UP) - 7 (E)
|
TILT switch is not pressed to up
|
10 kΩ or higher
|
5 (DOWN) - 7 (E)
|
TILT switch is pressed to down
|
Below 1 Ω
|
5 (DOWN) - 7 (E)
|
TILT switch is not pressed to down
|
10 kΩ or higher
|
4 (OPN) - 7 (E)
|
SLIDE switch is pressed to open
|
Below 1 Ω
|
4 (OPN) - 7 (E)
|
SLIDE switch is not pressed to open
|
10 kΩ or higher
|
3 (CLS) - 7 (E)
|
SLIDE switch is pressed to close
|
Below 1 Ω
|
3 (CLS) - 7 (E)
|
SLIDE switch is not pressed to close
|
10 kΩ or higher
|
OK |
|
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
|
NG |
|
REPLACE ROOF CONSOLE BOX ASSEMBLY
|
|