CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
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2. | CUSTOMER PROBLEM ANALYSIS |
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3. | INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
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4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
Result | Proceed to |
---|---|
CAN communication system DTCs are not output | A |
CAN communication system DTCs are output | B |
B | ![]() | GO TO CAN COMMUNICATION SYSTEM |
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5. | PROBLEM SYMPTOM CONFIRMATION |
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6. | CHECK DTC* |
(a) Check for DTCs.
Click here
Result | Proceed to |
---|---|
DTCs are output | A |
DTCs are not output (Problem symptom does not occur) | B |
DTCs are not output (Problem symptom occurs) | C |
B | ![]() | GO TO STEP 8 |
C | ![]() | GO TO STEP 9 |
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7. | DIAGNOSTIC TROUBLE CODE CHART (INTELLIGENT CLEARANCE SONAR SYSTEM) |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
NOTICE:
The clearance warning ECU assembly outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the intelligent clearance sonar system are output, refer to Diagnostic Trouble Code Chart for the relevant systems.
System | Proceed to |
---|---|
Intuitive Parking Assist System (w/ Intelligent Clearance Sonar System) | |
NEXT | ![]() | GO TO STEP 11 |
8. | SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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9. | PROBLEM SYMPTOMS TABLE |
(a) Refer 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 11 |
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10. | OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
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11. | CIRCUIT INSPECTION |
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12. | IDENTIFICATION OF PROBLEM |
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13. | REPAIR OR REPLACE |
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14. | CONFIRMATION TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Problem Symptoms Table
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Use the table below to help determine the cau ...
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