| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001FJ0W |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 10/2019] |
| Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2343; Position Initialization Incomplete; 2019 MY RAV4 RAV4 HV [11/2018 - 10/2019] | ||
|
DTC |
B2343 |
Position Initialization Incomplete |
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B2343 |
Position Initialization Incomplete |
Sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized |
Sliding roof ECU (Sliding roof drive gear sub-assembly) |
WIRING DIAGRAM
Refer to DTC B2341.
Click here
![2019 MY RAV4 RAV4 HV [11/2018 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2341,B2344; Sensor (Motor) Failure+](/t3Portal/stylegraphics/info.gif)
CAUTION / NOTICE / HINT
NOTICE:
-
If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized.
Click here
HINT:
When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
PROCEDURE
|
1. |
INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
(a) Check that the sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.
Click here
OK:
Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.
| NG |
|
|
|
2. |
CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation.
Click here
OK:
Auto operation operates normally.
| NG |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
|
3. |
CHECK DTC OUTPUT |
(a) Clear the DTCs.
Click here
Body Electrical > Sliding Roof > Clear DTCs
(b) Check for DTCs.
Click here
Body Electrical > Sliding Roof > Trouble Codes
OK:
DTC B2343 is not output.
| OK |
|
END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
| NG |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
4. |
PERFORM ACTIVE TEST USING TECHSTREAM (Slide Roof) |
(a) Perform the Active Test according to the display on the Techstream.
Click here
Body Electrical > Sliding Roof > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Slide Roof |
Operate sliding roof motor |
OFF / Opn/Dwn / Clos/Up |
- |
Body Electrical > Sliding Roof > Active Test
|
Tester Display |
|---|
|
Slide Roof |
OK:
Slide roof is operated using Techstream.
| NG |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
|
5. |
READ VALUE USING TECHSTREAM (Open Switch, Close Switch) |
(a) Read the Data List according to the display on the Techstream.
Click here
Body Electrical > Sliding Roof > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Open Switch |
OPEN switch signal |
OFF or ON |
OFF: OPEN switch on the slide switch not pressed ON: OPEN switch on the slide switch pressed |
- |
|
Close Switch |
CLOSE switch signal |
OFF or ON |
OFF: CLOSE switch on the slide switch not pressed ON: CLOSE switch on the slide switch pressed |
- |
Body Electrical > Sliding Roof > Data List
|
Tester Display |
|---|
|
Open Switch |
|
Close Switch |
OK:
The Techstream display changes according to switch operation as shown in the table.
| OK |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
|
6. |
INSPECT MAP LIGHT SUB-ASSEMBLY (SLIDE/TILT SWITCH) |
(a) Remove the map light sub-assembly (slide/tilt switch).
Click here
(b) Inspect the map light sub-assembly (slide/tilt switch).
Click here
| NG |
|
|
|
7. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU [SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY] - MAP LIGHT SUB-ASSEMBLY [SLIDE/TILT SWITCH] AND BODY GROUND) |
(a) Disconnect the P14 map light sub-assembly (slide/tilt switch) connector.
(b) Disconnect the P4 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:
for TMC Made
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P4-5 (UP) - P14-16 (UP) |
Always |
Below 1 Ω |
|
P4-8 (CLS) - P14-13 (CLS) |
Always |
Below 1 Ω |
|
P4-9 (DWN) - P14-15 (DPWN) |
Always |
Below 1 Ω |
|
P4-10 (OPN) - P14-14 (OPN) |
Always |
Below 1 Ω |
|
P4-2 (E) - Body ground |
Always |
Below 1 Ω |
|
P14-11 (GND) - Body ground |
Always |
Below 1 Ω |
|
P4-5 (UP) or P14-16 (UP) - Body ground |
Always |
10 kΩ or higher |
|
P4-8 (CLS) or P14-13 (CLS) - Body ground |
Always |
10 kΩ or higher |
|
P4-9 (DWN) or P14-15 (DPWN) - Body ground |
Always |
10 kΩ or higher |
|
P4-10 (OPN) or P14-14 (OPN) - Body ground |
Always |
10 kΩ or higher |
for TMMC Made
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P4-5 (UP) - P14-16 (UP) |
Always |
Below 1 Ω |
|
P4-8 (CLS) - P14-8 (CLS) |
Always |
Below 1 Ω |
|
P4-9 (DWN) - P14-17 (DPWN) |
Always |
Below 1 Ω |
|
P4-10 (OPN) - P14-7 (OPN) |
Always |
Below 1 Ω |
|
P4-2 (E) - Body ground |
Always |
Below 1 Ω |
|
P14-20 (GND) - Body ground |
Always |
Below 1 Ω |
|
P4-5 (UP) or P14-16 (UP) - Body ground |
Always |
10 kΩ or higher |
|
P4-8 (CLS) or P14-8 (CLS) - Body ground |
Always |
10 kΩ or higher |
|
P4-9 (DWN) or P14-17 (DPWN) - Body ground |
Always |
10 kΩ or higher |
|
P4-10 (OPN) or P14-7 (OPN) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|