NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B158F; AV Signal Stoppage (Low Battery Voltage); 2016 - 2017 MY Sienna [12/2015

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM100000000VJ7S
Model Year Start: 2016	Model: Sienna	Prod Date Range: [12/2015 - 11/2017]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B158F; AV Signal Stoppage (Low Battery Voltage); 2016 - 2017 MY Sienna [12/2015 - 11/2017]

DTC

B158F

AV Signal Stoppage (Low Battery Voltage)

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 Harness or connector

NOTICE:

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

CHECK DTC

(a) Clear the DTCs (See page ).

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

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

(See page )

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
D57-4 (+B1) - Body ground	Always	11 to 14 V

*a	Front view of wire harness connector (to Navigation Receiver Assembly)

REPAIR OR REPLACE HARNESS OR CONNECTOR