NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B153A; GVIF Disconnected (from Extension Module to H/U); 2019 - 2022 MY RAV4 RAV4 HV [11/2018

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001E7HX
Model Year Start: 2019	Model: RAV4	Prod Date Range: [11/2018 - 10/2022]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B153A; GVIF Disconnected (from Extension Module to H/U); 2019 - 2022 MY RAV4 RAV4 HV [11/2018 - 10/2022]

DTC

B153A

GVIF Disconnected (from Extension Module to H/U)

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B153A	GVIF Disconnected (from Extension Module to H/U)	GVIF disconnected (from navigation ECU to radio and display receiver assembly)	Navigation ECU Radio and display receiver assembly No. 1 navigation wire No. 2 navigation wire

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU 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 or navigation ECU may not operate normally.

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

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

2.	CHECK NO. 2 NAVIGATION WIRE (NAVIGATION ECU - NO. 1 NAVIGATION WIRE)

(a) Disconnect the G120 navigation ECU connector.

Front view of wire harness connector

(to Navigation ECU)

Front view of wire harness connector

(to No. 1 Navigation Wire)

(b) Disconnect the A No. 1 navigation wire connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
G120-1 (GVO-) - A-1 (GV2-)	Always	Below 1 Ω
G120-2 (GVO+) - A-2 (GV2+)	Always	Below 1 Ω
G120-3 (GVG1) - A-3 (GVG2)	Always	Below 1 Ω

REPLACE NO. 2 NAVIGATION WIRE

3.	CHECK NO. 1 NAVIGATION WIRE (NO. 2 NAVIGATION WIRE - RADIO AND DISPLAY RECEIVER ASSEMBLY)

(a) Disconnect the B No. 2 navigation wire connector.

Front view of wire harness connector

(to No. 2 Navigation Wire)

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

(b) Disconnect the G121 radio and display receiver assembly connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
B-1 (GVO-) - G121-1 (GV2-)	Always	Below 1 Ω
B-2 (GVO+) - G121-2 (GV2+)	Always	Below 1 Ω
B-3 (GVG1) - G121-3 (GVG2)	Always	Below 1 Ω

REPLACE NO. 1 NAVIGATION WIRE

4.	REPLACE NAVIGATION ECU

(a) Replace the navigation ECU with a new one.

Click here

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.

END (NAVIGATION ECU IS DEFECTIVE)

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY