DESCRIPTION
This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio receiver assembly dropping temporarily.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B158F | AV Signal Stoppage (Low Battery Voltage) | A video or audio signal is interrupted when the battery voltage drops |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. | CHECK VEHICLE SIGNAL (OPERATION CHECK) |
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check. Click here |
|
(b) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
This display is updated once per second.
NG | ![]() | GO TO STEP 3 |
|
2. | 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 | ![]() | END |
NG | ![]() | REPLACE RADIO RECEIVER ASSEMBLY |
3. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY POWER SOURCE) |
(a) Disconnect the J148 radio receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
J148-4 (+B1) - Body ground | Always | 11 to 14 V |
OK | ![]() | REPLACE RADIO RECEIVER ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Using the driving support
systems: Lexus Safety System+
The Lexus Safety System+ consists of the following drive assist systems
and
contributes to a safe and comfortable driving experience:
PCS (Pre-Collision System)
LKA (Lane-Keeping Assist)
Automatic High Beam
Dynamic radar cruise control with full-speed range
WARNING
■ Lexus Safety ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Open in Bus 4 Main Bus Line
DESCRIPTION There may be an open circuit in one of the bus 4 main lines when the resistance between terminals 22 (CA2H) and 7 (CA2L) of the network gateway ECU is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 22 (CA2H) and 7 (CA2L) of network gateway ECU is 70 Ω or hig ...