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) |
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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 Audio and Visual System.
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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 CodesOK:
No DTCs are output.
OK | ![]() | USE SIMULATION METHOD TO CHECK |
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2. | CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - RADIO RECEIVER ASSEMBLY) |
(a) Disconnect the J165 multi-display assembly connector. |
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(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 |
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3. | CHECK MULTI-DISPLAY ASSEMBLY |
(a) Replace the multi-display assembly with a new or known good one.
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(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 CodesOK:
No DTCs are output.
OK | ![]() | END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE) |
NG | ![]() | REPLACE RADIO RECEIVER ASSEMBLY |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Power Steering ECU Communication Stop Mode
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Meter / Gauge System: Short in Turn Signal / Hazard Flasher Circuit (B1508)
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