DTC Code | DTC Name |
---|---|
B157D | DAB Tuner Antenna Disconnected |
DESCRIPTION
This DTC is stored when a malfunction occurs in the digital audio broadcasting antenna assembly which is connected to the radio and display receiver assembly.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B157D | DAB Tuner Antenna Disconnected | The windshild glass (window glass antenna wire) is not connected |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Tech Tips
When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).
PROCEDURE
CHECK DTC
Clear the DTCs.
Recheck for DTCs and check that no DTCs are output.
OK |
---|
No DTCs are output. |
Result | |||
---|---|---|---|
|
OK |
USE SIMULATION METHOD TO CHECK |
NG |
CHECK CONNECTION OF DAB RADIO ANTENNA CABLE
Check if the DAB radio antenna cable is securely connected to the radio and display receiver assembly.
OK |
---|
DAB radio antenna cable is securely connected. |
Result | |||
---|---|---|---|
|
NG |
SECURELY CONNECT DAB RADIO ANTENNA CABLE |
OK |
CHECK WINDSHIELD GLASS (WINDOW GLASS ANTENNA WIRE)
Inspect the windshield glass (window glass antenna wire).
Result | |||
---|---|---|---|
|
NG |
REPAIR WINDSHIELD GLASS (WINDOW GLASS ANTENNA WIRE) Click here |
OK |
CHECK ANTENNA CORD SUB-ASSEMBLY
*a | Front view of wire harness connector (to Radio and Display Receiver Assembly) |
*b | Front view of wire harness connector (to No. 2 Antenna Cord Sub-assembly) |
Remove the antenna connector from the radio and display receiver assembly.
Remove the antenna connector from the No. 2 antenna cord sub-assembly.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Result | |||
---|---|---|---|
|
NG |
REPLACE ANTENNA CORD SUB-ASSEMBLY Click here |
OK |
CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY
*a | Front view of wire harness connector (to Antenna Cord Sub-assembly) |
*b | Front view of wire harness connector (to Digital Audio Broadcasting Antenna Assembly) |
Remove the antenna connector from the antenna cord sub-assembly.
Remove the antenna connector from the digital audio broadcasting antenna assembly.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Result | |||
---|---|---|---|
|
OK |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here |
NG |
REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here |