AUDIO AND VISUAL SYSTEM(for Radio and Display Type), Diagnostic DTC:B158F

DTC Code DTC Name
B158F AV Signal Stoppage (Low Battery Voltage)

DESCRIPTION

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

WIRING DIAGRAM

E307660E02

CAUTION / NOTICE / HINT

Note:

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

PROCEDURE

  1. CHECK VEHICLE SIGNAL (OPERATION CHECK)

    1. E268487

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

      Click hereClick here

    2. Check that the battery voltage.

      Standard voltage

      11 to 14 V

      Tip:

      This display is updated once per second.

    Result

    Proceed to

    OK

    NG
    NG

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)Click here

    OK

  2. CHECK FOR DTC

    1. Clear the DTCs.

      Click hereClick here

      Body Electrical > Navigation System > Clear DTCs

    2. Check for DTCs.

      Click hereClick here

      Body Electrical > Navigation System > Trouble Codes

      OK

      No DTCs are output.

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click hereClick here

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

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

    1. E277492C57

      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)

      Disconnect the radio and display receiver assembly connector.

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

      Standard Voltage

      Table 1. w/o Stop and Start System

      Tester Connection

      Condition

      Specified Condition

      G141-4 (+B1) - Body ground

      Always

      11 to 14 V
      Table 2. w/Stop and Start System

      Tester Connection

      Condition

      Specified Condition

      G141-4 (+B1) - Body ground

      Always

      10.5 to 14 V

    Result

    Proceed to

    OK

    NG (w/o Stop and Start System)

    NG (w/ Stop and Start System)
    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

    NG (w/o Stop and Start System)

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG (w/ Stop and Start System)

    GO TO STOP AND START SYSTEM (BACKUP BOOST CONVERTER CIRCUIT)

    for 3ZR-FAE:Click here

    for 2WW:Click here