| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FJ1F |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 10/2019] |
| Title: SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON 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 assembly [sliding roof]) has not been initialized.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B2343 |
Position Initialization Incomplete |
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) has not been initialized. |
|
WIRING DIAGRAM
Refer to DTC B2341.
Click here
![2019 MY RAV4 RAV4 HV [11/2018 - 10/2019]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: B2341,B2344; Sensor (Motor) Failure+](/t3Portal/stylegraphics/info.gif)
CAUTION / NOTICE / HINT
NOTICE:
-
If the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) must be initialized.
Click here
-
The panoramic moon roof system uses the CAN and LIN communication system. First, confirm that there are no malfunctions in the CAN and LIN communication system. Refer to How to Proceed with Troubleshooting.
Click here
- DTC B2343 is stored in the sliding roof ECU (sliding roof drive gear assembly [sliding roof]).
HINT:
If DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
PROCEDURE
|
1. |
INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF]) |
(a) Check that the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) can be initialized.
Click here
OK:
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) can be initialized.
| NG |
|
|
|
2. |
CHECK PANORAMIC MOON ROOF OPERATION |
(a) Check the panoramic moon roof auto operation.
Click here
OK:
Auto operation operates normally.
| NG |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF])
|
|
|
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 ASSEMBLY [SLIDING ROOF])
|
|
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 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 ASSEMBLY [SLIDING ROOF])
|
|
|
5. |
READ VALUE USING TECHSTREAM (Roof Open Switch, Roof 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 |
|---|---|---|---|---|
|
Roof Open Switch |
OPEN switch signal |
OFF or ON |
OFF: Slide switch (OPEN) on the slide switch not pressed ON: Slide switch (OPEN) on the slide switch pressed |
- |
|
Roof Close Switch |
CLOSE switch signal |
OFF or ON |
OFF: Slide switch (CLOSE) on the slide switch not pressed ON: Slide switch (CLOSE) on the slide switch pressed |
- |
Body Electrical > Sliding Roof > Data List
|
Tester Display |
|---|
|
Roof Open Switch |
|
Roof 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 ASSEMBLY [SLIDING ROOF])
|
|
|
6. |
INSPECT MAP LIGHT SUB-ASSEMBLY |
(a) Remove the map light sub-assembly.
Click here
(b) Inspect the map light sub-assembly.
Click here
| NG |
|
|
|
7. |
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU [SLIDING ROOF DRIVE GEAR ASSEMBLY (SLIDING ROOF)] - MAP LIGHT SUB-ASSEMBLY AND BODY GROUND) |
(a) Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly [sliding roof]) connector.
(b) Disconnect the P14 map light 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 |
|---|---|---|
|
P4-4 (TILT) - P14-17 (B) |
Always |
Below 1 Ω |
|
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 |
|
P4-4 (TILT) or P14-17 (B) - Body ground |
Always |
10 kΩ or higher |
|
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) - P14-14 (OPN) - Body ground |
Always |
10 kΩ or higher |
for TMMC Made
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
P4-4 (TILT) - P14-17 (B) |
Always |
Below 1 Ω |
|
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 |
|
P4-4 (TILT) or P14-17 (B) - Body ground |
Always |
10 kΩ or higher |
|
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) - P14-7 (OPN) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF])
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|