| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001MUME |
| Model Year Start: 2020 | Model: RAV4 | Prod Date Range: [10/2019 - ] |
| Title: SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: B2341,B2344; Sensor (Motor) Failure; 2020 - 2024 MY RAV4 RAV4 HV [10/2019 - ] | ||
|
DTC |
B2341 |
Sensor (Motor) Failure |
|
DTC |
B2344 |
Position Failure |
DESCRIPTION
When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored.
When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B2341 |
Sensor (Motor) Failure |
Sensor (motor) failure (When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) enters fail-safe mode due to a problem with the motor) |
|
|
B2344 |
Position Failure |
Position failure (When the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) enters fail-safe mode due to a problem with the gear position) |
|
WIRING DIAGRAM
for TMC Made:
for TMMC Made:
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
![2019 - 2024 MY RAV4 RAV4 HV [11/2018 - ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: INITIALIZATION](/t3Portal/stylegraphics/info.gif)
- DTCs B2341 and B2344 are stored in the sliding roof ECU (sliding roof drive gear assembly [sliding roof]).
PROCEDURE
|
1. |
CHECK PANORAMIC MOON ROOF OPERATION |
(a) Check the panoramic moon roof auto operation.
Click here
OK:
Auto operation operates normally.
| NG |
|
|
|
2. |
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:
DTCs B2341 and B2344 are not output.
| OK |
|
| NG |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF])
|
|
3. |
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 |
|
|
|
4. |
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:
DTCs B2341 and B2344 are not output.
| OK |
|
END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
| NG |
|
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF])
|
|
5. |
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])
|
|
|
6. |
READ VALUE USING TECHSTREAM (Vent Switch, 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 |
|---|---|---|---|---|
|
Vent Switch |
TILT switch signal |
OFF or ON |
OFF: Tilt switch (UP/DOWN) on the tilt switch not pressed ON: Tilt switch (UP/DOWN) on the tilt switch pressed |
- |
|
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 |
|---|
|
Vent Switch |
|
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])
|
|
|
7. |
INSPECT MAP LIGHT SUB-ASSEMBLY |
(a) Remove the map light sub-assembly.
Click here
(b) Inspect the map light sub-assembly.
Click here
Click here
| NG |
|
|
|
8. |
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 P20*1 or P14*2 map light sub-assembly connector.
-
*1: for TMC made
*2: for TMMC made
(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) - P20-20 (B) |
Always |
Below 1 Ω |
|
P4-5 (UP) - P20-19 (UP) |
Always |
Below 1 Ω |
|
P4-8 (CLS) - P20-16 (CLS) |
Always |
Below 1 Ω |
|
P4-9 (DWN) - P20-18 (DOWN) |
Always |
Below 1 Ω |
|
P4-10 (OPN) - P20-17 (OPN) |
Always |
Below 1 Ω |
|
P4-2 (E) - Body ground |
Always |
Below 1 Ω |
|
P20-13 (GND) - Body ground |
Always |
Below 1 Ω |
|
P4-4 (TILT) or P20-20 (B) - Body ground |
Always |
10 kΩ or higher |
|
P4-5 (UP) or P20-19 (UP) - Body ground |
Always |
10 kΩ or higher |
|
P4-8 (CLS) or P20-16 (CLS) - Body ground |
Always |
10 kΩ or higher |
|
P4-9 (DWN) or P20-18 (DOWN) - Body ground |
Always |
10 kΩ or higher |
|
P4-10 (OPN) - P20-17 (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) - P14-13 (CLS) |
Always |
Below 1 Ω |
|
P4-9 (DWN) - P14-15 (DOWN) |
Always |
Below 1 Ω |
|
P4-10 (OPN) - P14-14 (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 P14-13 (CLS) - Body ground |
Always |
10 kΩ or higher |
|
P4-9 (DWN) or P14-15 (DOWN) - Body ground |
Always |
10 kΩ or higher |
|
P4-10 (OPN) - P14-14 (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 |
|
|