CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
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2. | CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the problem.
Click here
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3. | INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
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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 |
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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 |
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6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Refer to Terminals of ECU.
Click here
(b) Refer to Data List / Active Test.
Click here
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7. | REPAIR OR REPLACE |
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8. | CONFIRMATION TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Vehicle Stability Control System: Brake Warning Light Remains ON
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Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Navigation System: Poor Sound Quality in All Modes (Low Volume)
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