DESCRIPTION
This DTC is stored when the sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2343 |
The sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When the sliding roof drive gear sub-assembly (sliding roof ECU) is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly (sliding roof ECU) must be initialized (See page ).
PROCEDURE
1. |
INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY |
(a) Check that the sliding roof drive gear sub-assembly (sliding roof ECU) can be initialized (See page ).
OK:
The sliding roof drive gear sub-assembly can be initialized.
NG |
GO TO STEP 3 |
|
2. |
CHECK FOR DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC B2343 is output |
B |
A |
END |
B |
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) |
3. |
INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) |
*a |
Component without harness connected (Map Light Assembly (Sliding Roof Switch)) |
(a) Remove the map light assembly (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 |
---|---|---|
5 (UP) - 1 (GND) |
Tilt up switch pressed |
Below 1 Ω |
5 (UP) - 1 (GND) |
Tilt up switch not pressed |
10 kΩ or higher |
4 (DOWN) - 1 (GND) |
Tilt down switch pressed |
Below 1 Ω |
4 (DOWN) - 1 (GND) |
Tilt down switch not pressed |
10 kΩ or higher |
3 (OPN) - 1 (GND) |
Slide open switch pressed |
Below 1 Ω |
3 (OPN) - 1 (GND) |
Slide open switch not pressed |
10 kΩ or higher |
2 (CLS) - 1 (GND) |
Slide close switch pressed |
Below 1 Ω |
2 (CLS) - 1 (GND) |
Slide close switch not pressed |
10 kΩ or higher |
NG |
REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) |
|
4. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) - MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) AND BODY GROUND) |
(a) Disconnect the S10 sliding roof drive gear sub-assembly (sliding roof ECU) connector.
(b) Disconnect the U2 map light assembly (sliding roof switch) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S10-4 (UP) - U2-5 (UP) |
Always |
Below 1 Ω |
S10-6 (DWN) - U2-4 (DOWN) |
Always |
Below 1 Ω |
S10-7 (OPN) - U2-3 (OPN) |
Always |
Below 1 Ω |
S10-5 (CLS) - U2-2 (CLS) |
Always |
Below 1 Ω |
U2-1 (GND) - Body ground |
Always |
Below 1 Ω |
S10-12 (E) - Body ground |
Always |
Below 1 Ω |
S10-4 (UP) or U2-5 (UP) - Body ground |
Always |
10 kΩ or higher |
S10-6 (DWN) or U2-4 (DOWN) - Body ground |
Always |
10 kΩ or higher |
S10-7 (OPN) or U2-3 (OPN) - Body ground |
Always |
10 kΩ or higher |
S10-5 (CLS) or U2-2 (CLS) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
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