Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) (B1575)

Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) (B1575)

DESCRIPTION

The radio receiver assembly and multi-display assembly are connected via video signal (digital) lines.

This DTC is stored when a video signal (digital) line is disconnected.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1575

GVIF Disconnected (from EMV/MM Integrated Device to Multi Display)

GVIF disconnected (from radio receiver assembly to multi-display assembly)

  • Harness or connector (GVIF cable)
  • Multi-display assembly
  • Radio receiver assembly

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

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 DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Turn the engine switch off.

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - RADIO RECEIVER ASSEMBLY)

(a) Disconnect the J165 multi-display assembly connector.

*a

Front view of wire harness connector

(to Radio Receiver Assembly)

*b

Front view of wire harness connector

(to Multi-display Assembly)

(b) Disconnect the J166 radio receiver assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

J166-2 (GVI+) - J165-1 (GV+)

Always

Below 1 Ω

J166-1 (GVI-) - J165-2 (GV-)

Always

Below 1 Ω

J166-3 (GVG1) - J165-3 (GVG)

Always

Below 1 Ω

J166-2 (GVI+) or J165-1 (GV+) - Body ground

Always

10 kΩ or higher

J166-1 (GVI-) or J165-2 (GV-) - Body ground

Always

10 kΩ or higher

J166-3 (GVG1) or J165-3 (GVG) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK MULTI-DISPLAY ASSEMBLY

(a) Replace the multi-display assembly with a new or known good one.

Click here

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(c) Turn the engine switch off.

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

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE)

NG

REPLACE RADIO RECEIVER ASSEMBLY

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