DTC B1577-87: GVIF (from EMV/MM Integrated Device to RSE) Missing Message [10/2022 - ]: Procedure

Pre-procedure1

1. Disconnect the G140 radio receiver assembly connector.
2. Disconnect the L160 multi-display controller sub-assembly connector.

   Procedure1

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G140-1 (GVO-) - L160-1 (GV1-)	Always	Below 1 Ω
   G140-2 (GVO+) - L160-2 (GV1+)	Always	Below 1 Ω
   G140-3 (GVG2) - L160-3 (GVG1)	Always	Below 1 Ω
   G140-1 (GVO-) - Body ground	Always	10 kΩ or higher
   G140-2 (GVO+) - Body ground	Always	10 kΩ or higher
   G140-3 (GVG2) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (GVIF CABLE) 

Result: 

OK 

See step  2

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

   HINT: 

   Refer to REMOVAL [10/2022 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

Body Electrical > Navigation System > Clear DTCs 

Result

Result: 

NEXT 

See step  4

Pre-procedure1

1. Display video on the rear seat entertainment system.

   HINT: 

   It is also possible to check if DTCs are output by performing a video device connection check.

   Refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - ]

   Procedure1

2. Recheck for DTCs and check if the same DTC is output again.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTC are not output	A
   DTCs are output	B

   Post-procedure1

3. None.

Result: 

A 

END (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY IS DEFECTIVE) 

Result: 

B 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2022 - ]