PROCEDURE
1. | CHECK AUDIO SETTINGS |
(a) Set treble, middle and bass to the initial values and check that the sound is normal.
OK:
The sound returns to normal.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
OK | ![]() | END |
|
2. | COMPARE WITH ANOTHER VEHICLE OF SAME MODEL |
(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.
OK:
No difference is found.
OK | ![]() | END |
NG | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Front Side Marker Light Circuit
DESCRIPTION When the light control switch is in the tail or head position, the main body ECU (multiplex network body ECU) sends an illumination request signal to the No. 1 headlight ECU sub-assembly to illuminate the front side marker lights. WIRING DIAGRAM for Multiple Beam Headlight for Single Be ...
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Electric Parking Brake System: Supply Voltage Circuit IG Open (C123A14)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C123A14 Supply Voltage Circuit IG Open
Diagnosis Condition:
Engine switch on (IG)
Malfunction Status:
When the ECM is communicating via CAN communication, IG power is not input to the skid c ...