NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B158F; AV Signal Stoppage (Low Battery Voltage); 2021 - 2022 MY RAV4 RAV4 HV [08/2020

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001QYG2
Model Year Start: 2021	Model: RAV4	Prod Date Range: [08/2020 - 10/2022]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B158F; AV Signal Stoppage (Low Battery Voltage); 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]

DTC

B158F

AV Signal Stoppage (Low Battery Voltage)

DESCRIPTION

This DTC is stored when a video or audio signal is interrupted due to auxiliary battery voltage input to the radio and display receiver assembly dropping temporarily.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B158F	AV Signal Stoppage (Low Battery Voltage)	A video or audio signal is interrupted when the auxiliary battery voltage drops	Radio and display receiver assembly Harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
Inspect the fuse for circuits related to this system before performing the following procedure.

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

Click here

PROCEDURE

1.	CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

Click here

(b) Measure the auxiliary battery voltage.

Standard voltage:

11 to 14 V

HINT:

This display is updated once per second.

GO TO STEP 3

CHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Navigation System > Clear DTCs

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

Click here

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

USE SIMULATION METHOD TO CHECK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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

(a) Disconnect the radio and display receiver assembly connector.

*a	Front view of wire harness connector (to Radio and Display Receiver Assembly)

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

G3-4 (+B1) - Body ground

Ignition switch off

10.5 to 16 V*1

11 to 14 V*2

*1: w/ Stop and Start System
*2: w/o Stop and Start System

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR