DTC B1575: GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) [11/2017 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

2. Turn the engine switch off.
3. 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 [11/2017 - 03/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 09/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 01/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2023 - ] 

Result: 

NG 

See step  2

1. Disconnect the O168 multi-display assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Radio Receiver Assembly)
   *b	Front view of wire harness connector (to Multi-display Assembly)

2. Disconnect the O167 radio receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O167-2 (GVIF+) - O168-1 (GVIF+)	Always	Below 1 Ω
   O167-1 (GVIF-) - O168-2 (GVIF-)	Always	Below 1 Ω
   O167-3 (GND) - O168-3 (GND)	Always	Below 1 Ω
   O167-2 (GVIF+) or O168-1 (GVIF+) - Body ground	Always	10 kΩ or higher
   O167-1 (GVIF-) or O168-2 (GVIF-) - Body ground	Always	10 kΩ or higher
   O167-3 (GND) or O168-3 (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

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

   Refer to REMOVAL [11/2017 - 01/2023] , or refer to REMOVAL [01/2023 - ]

2. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

3. Turn the engine switch off.
4. 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 [11/2017 - 03/2019]  , or refer to  REMOVAL [03/2019 - ]