Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: AV Signal Stoppage (Low Battery Voltage) (B158F)

DESCRIPTION

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

DTC Code

DTC Detection Condition

Trouble Area

B158F

A video or audio signal is interrupted when the battery voltage drops.

  • Navigation receiver assembly
  • Harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

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

(b) Check that the battery voltage.

Standard voltage:

11 to 14 V

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.

NG

GO TO STEP 3

OK

2.

CHECK FOR DTC

(a) Clear the DTCs (See page (b) Check for DTCs (See page  ). ).

(b) Check for DTCs (See page OK: ).

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

3.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the navigation receiver assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

N24-4 (+B1) - Body ground

Always

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Navigation Receiver Assembly)

OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

SD Card Communication Malfunction (B158C)
DESCRIPTION The navigation receiver assembly stores this DTC when the SD card cannot be mounted when inserted into the SD card slot. DTC Code DTC Detection Condition ...

Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION This DTC is stored when a malfunction occurs in the stereo component amplifier assembly. DTC No. DTC Detection Condition Trouble Area ...

Other materials:

Parking Brake Cable
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. DISCONNECT NO. 2 PARKING BRAKE SHOE ASSEMBLY WITH PARKING BRAKE SHOE LEVER (See page ) 2. REMOVE VOLTAGE INVERTER ASSEMBLY (See page ) 3. REMOVE NO. 2 PARKING BRAKE CABLE ASSEMBLY (a) Loosen the adjusting n ...

Engine Hood Courtesy Switch
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the sliding roof system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

В© 2011-2025 Copyright www.ttguide.net