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

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