Lexus NX: 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) |
|
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.
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PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
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(b) Turn the power switch off.
(c) Recheck for DTCs and check that no DTCs are output.
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OK:
No DTCs are output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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| 2. | CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - RADIO RECEIVER ASSEMBLY) |
| (a) Disconnect the I165 multi-display assembly connector. |
|
(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 |
|
| 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.
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(c) Turn the power switch off.
(d) Recheck for DTCs and check that no DTCs are output.
Click here
OK:
No DTCs are output.
| OK | | END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE) |
| NG | | REPLACE RADIO RECEIVER ASSEMBLY |
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SEE MORE:
Installation
INSTALLATION PROCEDURE 1. INSTALL KICK DOOR CONTROL SENSOR (a) Insert the guide, attach the 2 claws and install the kick door control sensor to the kick door control bracket as shown in the illustration. NOTICE:
Do not subject the kick door control sensor to strong impacts or force, and do n
Precaution
PRECAUTION PRECAUTION OF WASHER NOZZLE ADJUSTMENT (a) Do not clean or adjust the washer nozzle with a safety pin, etc. because: (1) The washer nozzle tip is made of resin and could be damaged. (2) Adjustment is not necessary for this spray type washer nozzle. If it is necessary to change the nozzle
