DESCRIPTION
The multi-display assembly and radio receiver assembly are connected by AVC-LAN communication lines.
This DTC is stored when an AVC-LAN communication error occurs between the multi-display assembly and radio receiver assembly.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B15D6 | Display Disconnected | A device that is listed in the AVC-LAN connected device record of the master unit is missing |
|
HINT:
The radio receiver assembly is the master unit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. | CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING) |
(a) Check for optional components.
(1) Check that optional components (including associated wiring) which generate radio waves are not installed.
Result | Proceed to |
---|---|
Optional components (including associated wiring) are installed. | A |
Optional components (including associated wiring) are not installed. | B |
HINT:
B | GO TO STEP 3 |
|
2. | REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING) |
(a) Remove optional components (including associated wiring).
NOTICE:
Do not remove optional components or associated wiring without the permission of the customer.
|
3. | 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 |
|
4. | CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY POWER SOURCE) |
(a) Disconnect the J56 multi-display assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J56-13 (GND1) - Body ground | Always | Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
J56-12 (B) - J56-13 (GND1) | Always | 11 to 14 V |
J56-24 (ACC) - J56-13 (GND1) | Engine switch on (ACC) | 11 to 14 V |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - MULTI-DISPLAY ASSEMBLY) |
(a) Disconnect the J148 radio receiver assembly connector.
(b) Disconnect the J56 multi-display assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J148-5 (TX1+) - J56-7 (TX+) | Always | Below 1 Ω |
J148-6 (TX1-) - J56-19 (TX-) | Always | Below 1 Ω |
J148-5 (TX1+) or J56-7 (TX+) - Body ground | Always | 10 kΩ or higher |
J148-6 (TX1-) or J56-19 (TX-) - Body ground | Always | 10 kΩ or higher |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. | REPLACE MULTI-DISPLAY ASSEMBLY |
(a) Replace the multi-display assembly with a new or known good one.
Click here
(b) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(c) 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 |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Air Conditioning System: Blower Motor Circuit
DESCRIPTION The blower motor with fan sub-assembly is operated by signals from the air conditioning amplifier assembly. Blower motor speed signals are transmitted in accordance with changes in the duty ratio. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to t ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Rear Seatback Heater (for Captain Seat Type): Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during rear seatback heater removal/installation are shown below. Necessary Procedure After Parts Removed/Insta ...