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.

  • Sliding roof ECU (sliding roof drive gear assembly [sliding roof])
  • Harness or connector

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+

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

  • 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 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

  • 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 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: INITIALIZATION

OK:

Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) can be initialized.

NG

GO TO STEP 4

OK

2.

CHECK PANORAMIC MOON ROOF OPERATION

(a) Check the panoramic moon roof auto operation.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: OPERATION CHECK

OK:

Auto operation operates normally.

NG

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [SLIDING ROOF]) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL

OK

3.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: DTC CHECK / CLEAR

Body Electrical > Sliding Roof > Clear DTCs

(b) Check for DTCs.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: DTC CHECK / CLEAR

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]) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL

4.

PERFORM ACTIVE TEST USING TECHSTREAM (Slide Roof)

(a) Perform the Active Test according to the display on the Techstream.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: DATA LIST / ACTIVE TEST

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]) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL

OK

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 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: DATA LIST / ACTIVE TEST

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]) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL

NG

6.

INSPECT MAP LIGHT SUB-ASSEMBLY

(a) Remove the map light sub-assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL

(b) Inspect the map light sub-assembly.

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: INSPECTION

NG

REPLACE MAP LIGHT SUB-ASSEMBLY

OK

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]) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR