Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FJ1K
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: SLIDING ROOF / CONVERTIBLE: PANORAMIC MOON ROOF SYSTEM: B234A; Motor Control Relay Stuck ON (Fr Shade); 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]

DTC

B234A

Motor Control Relay Stuck ON (Fr Shade)

DESCRIPTION

This DTC will be stored if the operation of the roof sunshade is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B234A

Motor Control Relay Stuck ON (Fr Shade)

Position failure (When the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) enters fail-safe mode due to a problem with the gear position)

Roof sunshade ECU (sliding roof drive gear assembly [roof sunshade])

CAUTION / NOTICE / HINT

NOTICE:

  • When the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) is removed and reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]) must be initialized.

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

  • DTC B234A is stored in the roof sunshade ECU (sliding roof drive gear assembly [roof sunshade]).

PROCEDURE

1.

CHECK FOR DTC

(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 B234A is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY [ROOF SUNSHADE]) 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 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; SLIDING ROOF / CONVERTIBLE: SLIDING ROOF HOUSING (for Panoramic Moon Roof): REMOVAL