CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here
|
3. | INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
|
4. | CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record DTCs and freeze frame data.
Chassis > Brake/EPB > Trouble Codes(b) Clear the DTCs and freeze frame data.
Chassis > Brake/EPB > Clear DTCs(c) Recheck for DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs and freeze frame data.
Chassis > Brake/EPB > Trouble Codes(2) Try to reproduce the problem symptoms based on the recorded DTCs and freeze frame data, and then check if the DTCs are output again.
Result | Proceed to |
---|---|
DTCs are not output (Problem symptom occurs.) | A |
DTCs are output | B |
DTCs are not output (Problem symptom does not occur.) | C |
HINT:
B | ![]() | GO TO DIAGNOSTIC TROUBLE CODE CHART |
C | ![]() | USE SIMULATION METHOD TO CHECK |
|
5. | PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
Result | Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table | A |
Fault is listed in Problem Symptoms Table | B |
B | ![]() | GO TO STEP 7 |
|
6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Refer to Terminals of ECU.
Click here
(b) Refer to Data List / Active Test.
Click here
|
7. | REPAIR OR REPLACE |
|
8. | CONFIRMATION TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: Microphone Circuit
DESCRIPTION
The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.
Using this circuit, the DCM (telematics transceiver) sends power to the telephone microphone assembly, and the telephone microphone assem ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: Terminals Of Ecu
TERMINALS OF ECU CHECK 4WD ECU ASSEMBLY (a) Measure the voltage and resistance of the connector. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition R10-10 (4WDS) - R10-4 (GND) P - W-B AWD lock mode switch signal Engine switch on (IG) AWD lock ...