AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Knobless Radio and Display Receiver): VEHICLE CONTROL HISTORY (RoB); 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022

VEHICLE CONTROL HISTORY (RoB)

NOTICE:

When checking the vehicle control history (RoB), record any stored history first.

Check Vehicle Control History (RoB) (Audio and Visual System)

(a) In accordance with the display of the GTS, check the vehicle control history (RoB).

Body Electrical > Navigation System > Utility

Tester Display

Vehicle Control History (RoB)

Vehicle Control History (RoB) Items (Audio and Visual System)

Code

Item

Description

Note

X20B1

Rear Camera Malfunction

Radio and display receiver assembly is storing history from when a back guide monitor malfunction was received

Perform troubleshooting for the back guide monitor system.

HINT:

Stored when a back guide monitor malfunction notification is received by the radio and display receiver assembly via CAN communication.

X8020

Video/Sound Signal Malfunction

Radio and display receiver assembly is storing history from when an auxiliary battery low voltage (6.75 V or less) was detected

Momentarily idle the vehicle or charge the auxiliary battery.
When the auxiliary battery voltage returns to normal, drive the vehicle.
Check that the battery voltage is within the standard voltage range.

HINT:

When the auxiliary battery voltage becomes low (5.0 to 6.8 V), images are blacked out and audio is muted.

X8021

Touch Switch Stuck

Radio and display receiver assembly is storing history from when a stuck touch switch was detected

Check for foreign objects (foreign matter, film, etc.).
Replace the radio and display receiver assembly.

X8022

Initialization History

Radio and display receiver assembly is storing history from when an intended initialization operation was detected

HINT:

Explain to the customer that the radio and display receiver assembly stores a history of an intended initialization operation using the radio and display receiver assembly.

X8023

Navi Kit Use History

Radio and display receiver assembly is storing history from when the vehicle speed signal was off, the parking brake signal was on and DTC B228231 was detected

Check for and remove non-genuine parts if any are installed.
Turn the ignition switch to ON from off, and check again.

HINT:

For the detection conditions of DTC B228231, refer to

X8030

Soft Update (USB Reading Error)

Radio and display receiver assembly is storing history from when a USB memory error was detected

HINT:

Explain to the customer that any of the following could be the cause:

There is no update program
Memory cannot be read

X8031

Soft Update (Encryption Release Error)

Radio and display receiver assembly is storing history from when a program update error was detected

HINT:

Explain to the customer that any of the following could be the cause:

Update program corruption (decryption error)
Update program corruption (necessary files missing)

X8032

Soft Update (Program of Different Model)

History of detection of update program error stored by the radio and display receiver assembly

HINT:

Explain to the customer that the update program was judged to be for a different device.

X8033

USB Memory Malfunction (The File System Error)

Radio and display receiver assembly is storing history from when a non-compatible file or malfunctioning USB storage device was connected to the No.1 stereo jack adapter assembly

Connect a USB storage device with valid files.

HINT:

Explain to the customer that any of the following could be the cause:

There was a non-compatible system file
USB storage device has invalid FAT system

X8034

USB Memory Malfunction (With No Playable File)

Radio and display receiver assembly is storing history from when no playable files on a USB storage device connected to the No.1 stereo jack adapter assembly was detected

Connect a USB storage device that has playable files.

HINT:

Explain to the customer that there were no playable files on the USB storage device.

X8038

iPod Malfunction

Radio and display receiver assembly is storing history from when a malfunctioning iPod was connected to the No.1 stereo jack adapter assembly

Turn the ignition switch from off to ACC.
Check that the cable connecting the iPod is not malfunctioning.
Check the software version of the iPod iOS and check that it is a compatible device.

HINT:

Explain to the customer that the iPod itself may be malfunctioning.
When the ignition switch is ACC and the iPod is connected to the No.1 stereo jack adapter assembly, a record of the malfunction is stored.
If another iPod is to be connected, it is necessary to turn the ignition switch off in order for the device to be detected.

X8039

iPod Malfunction (With Control Software)

Radio and display receiver assembly is storing history from when there was a malfunction of the control software of an iPod connected to the No.1 stereo jack adapter assembly

X803A

iPod Malfunction (With Communication Error)

Radio and display receiver assembly is storing history from when a communication error with an iPod connected to the No.1 stereo jack adapter assembly was detected

X803B

iPod Malfunction (With No Playable File)

Radio and display receiver assembly is storing history from when no playable files on an iPod connected to the No.1 stereo jack adapter assembly was detected

Connect an iPod that has playable files.

HINT:

When the ignition switch is on (ACC) and the iPod is connected to the No.1 stereo jack adapter assembly, a record of the malfunction is stored.
If another iPod is to be connected, it is necessary to turn the ignition switch off in order for the device to be detected.

NOTICE:

By performing this procedure, all stored vehicle control history (RoB) will be cleared.

Clear Vehicle Control History (RoB) (Audio and Visual System)

(a) Using the GTS, select the vehicle control history (Rob).

Body Electrical > Navigation System > Utility

Tester Display

Vehicle Control History (RoB)

(b) Select the clear button and the clear vehicle control history (RoB) in accordance with the screen.