Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: GPS Antenna Connection Malfunction(short) (B15C0,B15C1)
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) | GPS Antenna Connection Malfunction (short) |
|
| B15C1 | GPS Antenna Connection Malfunction(break) | GPS Antenna Connection Malfunction (break) |
|
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 Navigation System.
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.
| OK |  | USE SIMULATION METHOD TO CHECK |
|
| 2. | INSPECT ANTENNA CORD SUB-ASSEMBLY |
(a) Remove the antenna cord sub-assembly.
w/ Rear No. 2 Seat: Click here .gif)
w/o 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 |
| A-3a or B-1a - 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 antenna assembly.
Click here
| OK | | REPLACE NAVIGATION ECU |
| NG | | REPLACE NAVIGATION ANTENNA ASSEMBLY |
Navigation Processor Malfunction (B15AD)
DESCRIPTION This DTC is stored when a malfunction occurs in the navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B15AD Navigation Processor Malfunction When ...
Speed Signal Malfunction (B15C2)
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna assembly, and then adjusts the vehicle position on the ma ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 8 Inch Display): Panel Switches do not Function
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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Internal Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION The ECM monitors its internal operation and will store this DTC when it detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P062F44 Internal Control Module EEPROM Data Memory Failure ECM internal malfunction ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- Instrument cluster
- Operation of each component
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- When trouble arises
- Vehicle specifications
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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