AUDIO / VIDEO AUDIO AND VISUAL SYSTEM(for Radio and Display Type) B158F AV Signal Stoppage (Low Battery Voltage)

DESCRIPTION

This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B158F	AV Signal Stoppage (Low Battery Voltage)	A video or audio signal is interrupted when the battery voltage drops	· Radio and display receiver assembly · Harness or connector

WIRING DIAGRAM

0.552,1.073 1.406,1.271 0.854,0.198 10 false from Battery 3.104,1.25 3.656,1.5 0.552,0.25 10 false RADIO 4.74,1.906 5.146,2.083 0.406,0.177 10 false O5 4.74,2.073 5.927,2.51 1.188,0.438 10 false Radio and Display Receiver Assembly 4.823,1.063 5.188,1.24 0.365,0.177 10 false +B1 4.594,0.958 4.792,1.156 0.198,0.198 10 false 4

CAUTION / NOTICE / HINT

NOTICE:: ·

When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:

-

A communication malfunction DTC may be stored.

-

The radio and display receiver assembly may not operate normally.

·

Inspect the fuse for circuits related to this system before performing the following procedure.

HINT:: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.; Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Radio and Display Type)>PRECAUTION201902,201906,_56,_078377,_0385463,RM100000001GM8U,201906,202107,_56,_078377,_0385463,RM100000001IHXG,202107,999999,_56,_078377,_0385463,RM100000001Y0I1,

PROCEDURE

1.CHECK VEHICLE SIGNAL (OPERATION CHECK)

a.

Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Radio and Display Type)>OPERATION CHECK201902,999999,_56,_078377,_0385463,RM100000001GM7C,

b.

Measure the battery voltage.

Standard voltage:: 11 to 14 V

HINT:: This display is updated once per second.

Result:

Proceed to
OK
NG

OK

2.CHECK DTC

NG

3.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)

2.CHECK DTC

a.

Clear the DTCs.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Radio and Display Type)>DTC CHECK / CLEAR201902,201906,_56,_078377,_0385463,RM100000001GM7E,201906,202107,_56,_078377,_0385463,RM100000001IU9I,202107,999999,_56,_078377,_0385463,RM100000001XH8C,

Body Electrical > Navigation System > Clear DTCs: 50002 212

b.

Recheck for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Radio and Display Type)>DTC CHECK / CLEAR201902,201906,_56,_078377,_0385463,RM100000001GM7E,201906,202107,_56,_078377,_0385463,RM100000001IU9I,202107,999999,_56,_078377,_0385463,RM100000001XH8C,

Body Electrical > Navigation System > Trouble Codes: 50001 212

OK:: No DTCs are output.

Result:

Proceed to
OK
NG

OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_V1,_078841,_0386803,RM100000001GTWY,

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL201902,202006,_56,_078377,_0380009,RM100000001FRAH,202006,999999,_56,_078377,_0380009,RM100000001P9CA,

3.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)

a.

1.552,0.292 1.979,0.552 0.427,0.26 2.594,1.104 2.719,0.365 2.719,0.365 2.906,0.365 true 1.677,0.344 2.135,0.542 0.458,0.198 10 false O5 3.01,0.302 3.333,0.49 0.323,0.188 10 false +B1 0.156,0.125 0.323,0.302 0.167,0.177 10 false *a

*a	Front view of wire harness connector (to Radio and Display Receiver Assembly)

Disconnect the radio and display receiver assembly connector.

b.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Condition	Specified Condition
O5-4 (+B1) - Body ground	Always	11 to 14 V

Result:

Proceed to
OK
NG

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL201902,202006,_56,_078377,_0380009,RM100000001FRAH,202006,999999,_56,_078377,_0380009,RM100000001P9CA,

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR