Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012TWW
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 -           ]
Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: B2341,B2344; Sensor (Motor) Failure; 2018 - 2024 MY Camry [03/2017 -        ]

DTC

B2341

Sensor (Motor) Failure

DTC

B2344

Position Failure

DESCRIPTION

When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored.

When the sliding roof ECU (sliding roof drive gear sub-assembly) 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 (The sliding roof ECU (sliding roof drive gear sub-assembly) enters fail-safe mode due to a problem with the motor)

  • Sliding roof ECU (Sliding roof drive gear sub-assembly)
  • Sliding roof switch (Roof console box sub-assembly)
  • Wire harness or connector

B2344

Position Failure

Position failure (The sliding roof ECU (sliding roof drive gear sub-assembly) enters fail-safe mode due to a problem with the gear position)

  • Sliding roof ECU (Sliding roof drive gear sub-assembly)
  • Sliding roof switch (Roof console box sub-assembly)
  • Wire harness or connector

WIRING DIAGRAM

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 2018 - 2024 MY Camry [03/2017 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: INITIALIZATION

PROCEDURE

1.

CHECK SLIDING ROOF OPERATION

(a) Check the sliding roof auto operation.

Click here 2018 - 2024 MY Camry [03/2017 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: OPERATION CHECK

OK:

Auto operation operates normally.

NG

GO TO STEP 3

OK

2.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Body Electrical > Sliding Roof > Clear DTCs

(b) Check for DTCs.

Body Electrical > Sliding Roof > Trouble Codes

OK:

DTCs B2341 and B2344 are not output.

OK

USE SIMULATION METHOD TO CHECK 2018 MY Camry [03/2017 - 06/2017]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2018 MY Camry [06/2017 - 08/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2019 MY Camry [08/2018 - 09/2019]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry [09/2019 - 03/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry [03/2020 - 10/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2021 MY Camry [10/2020 - 08/2021]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2022 - 2024 MY Camry [08/2021 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NG

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) 2018 MY Camry [03/2017 - 06/2017]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL 2021 - 2024 MY Camry [10/2020 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL

3.

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 2018 - 2024 MY Camry [03/2017 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: INITIALIZATION

OK:

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

NG

GO TO STEP 5

OK

4.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Body Electrical > Sliding Roof > Clear DTCs

(b) Check for DTCs.

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 SUB-ASSEMBLY) 2018 MY Camry [03/2017 - 06/2017]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL 2021 - 2024 MY Camry [10/2020 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL

5.

CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - SLIDING ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY) AND BODY GROUND)

(a) Disconnect the V14 sliding roof switch (roof console box sub-assembly) connector.

(b) Disconnect the V2 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:

Tester Connection

Condition

Specified Condition

V2-8 (CLS) - V14-4 (CLS)

Always

Below 1 Ω

V2-8 (CLS) or V14-4 (CLS) - Body ground

Always

10 kΩ or higher

V2-10 (OPN) - V14-5 (OPN)

Always

Below 1 Ω

V2-10 (OPN) or V14-5 (OPN) - Body ground

Always

10 kΩ or higher

V2-9 (CLS) - V14-18 (DOWN)

Always

Below 1 Ω

V2-9 (CLS) or V14-18 (DOWN) - Body ground

Always

10 kΩ or higher

V2-5 (OPN) - V14-3 (UP)

Always

Below 1 Ω

V2-5 (OPN) or V14-3 (UP) - Body ground

Always

10 kΩ or higher

V14-15 (GND) - Body ground

Always

Below 1 Ω

V2-2 (E) - Body ground

Always

Below 1 Ω

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

6.

INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY)

(a) Remove the sliding roof switch (roof console box sub-assembly).

Click here 2018 MY Camry [03/2017 - 06/2017]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL 2018 - 2019 MY Camry [06/2017 - 09/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL 2020 - 2024 MY Camry [09/2019 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL

(b) Inspect the sliding roof switch (roof console box sub-assembly).

Click here 2018 MY Camry [03/2017 - 06/2017]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: INSPECTION 2018 - 2024 MY Camry [06/2017 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: INSPECTION

OK

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) 2018 MY Camry [03/2017 - 06/2017]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL 2021 - 2024 MY Camry [10/2020 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Moon Roof): REMOVAL

NG

REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY) 2018 MY Camry [03/2017 - 06/2017]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL 2018 - 2019 MY Camry [06/2017 - 09/2019]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL 2020 - 2024 MY Camry [09/2019 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL