Lexus NX: GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) (B1575)

Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) (B1575)

DESCRIPTION

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:

When replacing the radio receiver assembly, always replace it with a new one.

If a radio receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC may be stored.
  • The radio receiver assembly 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 Audio and Visual System.

Click here

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Navigation System > Clear DTCs

(b) Turn the power switch off.

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

Click here

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 - RADIO RECEIVER ASSEMBLY)

(a) Disconnect the I165 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 I162 radio receiver assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I162-2 (GVI+) - I165-1 (GV+)

Always

Below 1 Ω

I162-1 (GVI-) - I165-2 (GV-)

Always

Below 1 Ω

I162-3 (GVG1) - I165-3 (GVG)

Always

Below 1 Ω

I162-2 (GVI+) - Body ground

Always

10 kΩ or higher

I162-1 (GVI-) - Body ground

Always

10 kΩ or higher

I162-3 (GVG1) - 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.

Click here

Body Electrical > Navigation System > Clear DTCs

(c) Turn the power switch off.

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

Click here

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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