Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001MUM1
Model Year Start: 2020 Model: RAV4 Prod Date Range: [10/2019 -           ]
Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2343; Position Initialization Incomplete; 2020 - 2024 MY RAV4 RAV4 HV [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 2020 - 2024 MY RAV4 RAV4 HV [10/2019 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2341,B2344; Sensor (Motor) Failure+

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

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

OK:

Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.

NG

GO TO STEP 4

OK

2.

CHECK SLIDING ROOF OPERATION

(a) Check the sliding roof auto operation.

Click here 2020 - 2024 MY RAV4 RAV4 HV [10/2019 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: OPERATION CHECK

OK:

Auto operation operates normally.

NG

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

OK

3.

CHECK DTC OUTPUT

(a) Clear the DTCs.

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

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: SLIDING ROOF SYSTEM: DATA LIST / ACTIVE TEST

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)

OK

5.

READ VALUE USING TECHSTREAM (Open Switch, 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: SLIDING ROOF SYSTEM: DATA LIST / ACTIVE TEST

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)

NG

6.

INSPECT MAP LIGHT SUB-ASSEMBLY (SLIDE/TILT SWITCH)

(a) Remove the map light sub-assembly (slide/tilt switch).

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 (slide/tilt switch).

Click here 2020 - 2024 MY RAV4 RAV4 HV [10/2019 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: INSPECTION

Click here 2020 - 2024 MY RAV4 RAV4 HV [10/2019 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: INSPECTION

NG

REPLACE MAP LIGHT SUB-ASSEMBLY (SLIDE/TILT SWITCH)

OK

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 P20*1 or P14*2 map light sub-assembly (slide/tilt switch) connector.

  • *1: for TMC made

    *2: for TMMC made

(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) - 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

P4-5 (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) or P20-17 (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 (DOWN)

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 (DOWN) - 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