DESCRIPTION
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B1574 | GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) | GVIF disconnected (from parking assist ECU to multi-display assembly) |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
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 Navigation System.
Click here
PROCEDURE
1. | CHECK DTC |
(a) Clear the DTCs.
Click here
Body Electrical > Navigation System > Clear DTCs(b) Turn the power switch off.
(c) Recheck for DTCs and check that no DTCs are output.
Click here
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
OK | USE SIMULATION METHOD TO CHECK |
|
2. | CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - PARKING ASSIST ECU) |
(a) Disconnect the I177 multi-display assembly connector. | |
(b) Disconnect the P47 radio receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
P47-1 (GVO+) - I177-1 (GVI+) | Always | Below 1 Ω |
P47-2 (GVO-) - I177-2 (GVI-) | Always | Below 1 Ω |
P47-3 (GVG1) - I177-3 (GVG1) | Always | Below 1 Ω |
P47-1 (GVO+) - Body ground | Always | 10 kΩ or higher |
P47-2 (GVO-) - Body ground | Always | 10 kΩ or higher |
P47-3 (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.
Click here
(b) Clear the DTCs.
Click here
Body Electrical > Navigation System > Clear DTCs(c) Turn the power switch off.
(d) Recheck for DTCs and check that no DTCs are output.
Click here
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
OK | END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE) |
NG | REPLACE PARKING ASSIST ECU |