Toyota Venza manuals

Toyota Venza: AV Signal Stoppage (Low Battery Voltage) (B158F)

Toyota Venza Service Manual / Audio / Video / Audio And Visual 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 radio and display receiver assembly dropping temporarily.

DTC No.

DTC Detection Condition

Trouble Area

B158F

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

Radio and display receiver assembly

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection 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) Measure the battery voltage.

Standard Voltage:

11 to 14 V

HINT:

This display is updated once per second.


NG

GO TO STEP 3


OK

2.

CHECK DTC

(a) Clear the DTCs (See page ).


(b) Recheck for DTCs and check that no DTCs are output.

OK:

No DTCs are output.


OK

END


NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

3.

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

(a) Disconnect the E4 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

E4-4 (+B1) - Body ground

Always

11 to 14 V


OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

XM Tuner Malfunction (B15BA)
DESCRIPTION These DTCs are stored when a malfunction occurs in the stereo component tuner assembly. DTC No. DTC Detection Condition Trouble Area B ...

Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION The radio and display receiver assembly and inner rear view mirror assembly (amplifier microphone assembly) are connected to each other using the microphone connection detection signa ...

Other materials about Toyota Venza:

A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION This DTC is stored when items controlled by the air conditioning amplifier assembly cannot be customized via the navigation system vehicle customization screen. HINT: The air conditioning amplifier assembly controls the air conditioning system ...

Registration
REGISTRATION PROCEDURE 1. DESCRIPTION OF CODE REGISTRATION It is necessary to register the transmitter IDs in the tire pressure warning ECU when replacing a tire pressure warning valve and transmitter and/or a tire pressure warning ECU. Prepare all tra ...

Installation
INSTALLATION PROCEDURE 1. INSTALL DISCHARGE HEADLIGHT BULB HINT: Use the same procedure for the RH side and LH side (See page ). 2. INSTALL LIGHT CONTROL ECU (for LH Side) (a) Turn the socket of the light control ECU in the direction indicat ...

© 2016-2025 Copyright www.tovenza.com

0.1224