Toyota Venza manuals

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

Toyota Venza 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 No.

DTC Detection Condition

Trouble Area

B158F

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

Navigation 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) Check 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

USE SIMULATION METHOD TO CHECK


NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

3.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the E38 navigation receiver assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

E38-4 (+B1) - Body ground

Always

11 to 14 V


OK

REPLACE NAVIGATION RECEIVER ASSEMBLY


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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