Toyota Tacoma manuals

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

Toyota Tacoma 2015-2018 Service Manual / Navigation / Multi Info Display / Navigation System / 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:

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engin ...

Driving Information
Distracted Driving Distraction comes in many forms and can take your focus from the task of driving. Exercise good judgment and do not let other activities divert your attention away from the road. Many local governments have enacted laws regarding driver distraction. Become familiar with the local ...

Front Occupant Classification Sensor LH Collision Detection (B1785)
DESCRIPTION DTC B1785 is set when the occupant detection ECU receives a collision detection signal, which is sent by the occupant classification sensor front LH when an accident occurs. DTC B1785 is also set when the front seat with adjuster frame assembly RH is subjected to a strong impact, ...

В© 2011-2023 Copyright www.ttguide.net