DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation antenna assembly.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B15C0 | GPS Antenna Connection Malfunction(short) | Navigation antenna assembly error |
|
B15C1 | GPS Antenna Connection Malfunction(break) | Navigation antenna assembly power source malfunction |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
Click here
PROCEDURE
1. | CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
NG | ![]() | USE SIMULATION METHOD TO CHECK |
|
2. | INSPECT ANTENNA CORD SUB-ASSEMBLY |
(a) Remove the antenna cord sub-assembly.
w/o Rear No. 2 Seat: Click here
w/ Rear No. 2 Seat: Click here
(b) Measure the resistance according to the value(s) in the table below.
*a | Component without harness connected (Antenna Cord Sub-assembly) |
*a | Component without harness connected (Antenna Cord Sub-assembly) |
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
A-3 - B-1 | Always | Below 1 Ω |
A-3a - B-1a | Always | Below 1 Ω |
A-3 or B-1 - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPLACE ANTENNA CORD SUB-ASSEMBLY |
|
3. | INSPECT NAVIGATION ANTENNA ASSEMBLY |
(a) Remove the navigation antenna assembly.
Click here
(b) Inspect the navigation anenna assembly.
Click here
OK | ![]() | REPLACE NAVIGATION ECU |
NG | ![]() | REPLACE NAVIGATION ANTENNA ASSEMBLY |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Power Steering ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Power Steering ECU Communication Stop Mode Either condition is met:
"Power Steering (EPS)" is not displayed on the CAN Bus Check screen of the Techstream.
Click here
Communication system DTCs (DTCs that start with U) that corresp ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Transmission Control Cable: Components
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