DTC B1575: GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) [06/2018 - 08/2021]: Procedure
WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Turn the power switch off.
- Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK
No DTCs are output.
Result
Proceed to OK NG
Result:
OK
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]
Result:
NG
See step 2
- Clear the DTCs.
- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - RADIO RECEIVER ASSEMBLY)
- Disconnect the G113 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) - Disconnect the G101 radio receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G101-2 (GVIF+) - G113-1 (GVIF+) Always Below 1 Ω G101-1 (GVIF-) - G113-2 (GVIF-) Always Below 1 Ω G101-3 (GND) - G113-3 (GND) Always Below 1 Ω G101-2 (GVIF+) or G113-1 (GVIF+) - Body ground Always 10 kΩ or higher G101-1 (GVIF-) or G113-2 (GVIF-) - Body ground Always 10 kΩ or higher G101-3 (GND) or G113-3 (GND) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- Disconnect the G113 multi-display assembly connector.
- CHECK MULTI-DISPLAY ASSEMBLY
- Replace the multi-display assembly with a new or known good one.
Refer to REMOVAL [06/2018 - 08/2021]
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Turn the power switch off.
- Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK
No DTCs are output.
Result
Proceed to OK NG
Result:
OK
END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE)
Result:
NG
REPLACE RADIO RECEIVER ASSEMBLY. Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022]
- Replace the multi-display assembly with a new or known good one.