DESCRIPTION
The DCM (telematics transceiver) sends a mute signal to the stereo component amplifier assembly.
The stereo component amplifier assembly controls the volume according to the mute signal from the DCM (telematics transceiver).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | INSPECT DCM (TELEMATICS TRANSCEIVER) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. | CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER)) |
(a) Disconnect the J66 stereo component amplifier assembly connector.
(b) Disconnect the J157 DCM (telematics transceiver) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J66-2 (TMUT) - J157-14 (MUTE) | Always | Below 1 Ω |
J66-2 (TMUT) or J157-14 (MUTE) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
3. | INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY |
(a) Reconnect the J66 stereo component amplifier assembly connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() | REPLACE DCM (TELEMATICS TRANSCEIVER) |
NG | ![]() | REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: Check Mode Procedure
CHECK MODE PROCEDURE CHECK MODE (SIGNAL CHECK): DTC CHECK (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / SRS Airbag / Utility / Signal Check. Body Electrical > ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Differential Oil Seal (for Rh Side): Replacement
REPLACEMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transaxle case oil seal and front drive shaft oil seal RH removal/installation are shown below. Nece ...