CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
|
2. | CUSTOMER PROBLEM ANALYSIS |
What | Vehicle model, system name |
When | Date, time, occurrence frequency |
Where | Road conditions |
Under what conditions? | Driving conditions, weather conditions |
How did it happen? | Problem symptoms |
|
3. | INSPECT BATTERY |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. | CHECK CABIN |
(a) Check that condensation is not likely to occur in the cabin and that the temperature is not high or extremely low in the cabin.
OK:
Condensation is not likely being produced and the temperature is not high or extremely low.
HINT:
NG | ![]() | SET CABIN TO APPROPRIATE TEMPERATURE |
|
5. | CHECK NAVIGATION SYSTEM NORMAL CONDITION |
(a) Refer to Check System Normal Condition.
Click here
Result | Proceed to |
---|---|
Symptom is not normal operation. | A |
Symptom is normal operation. | B |
B | ![]() | END |
|
6. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication system DTCs are output.
Click here
Result | Proceed to |
---|---|
CAN DTCs are not output. | A |
CAN DTCs are output. | B |
B | ![]() | GO TO CAN COMMUNICATION SYSTEM |
|
7. | CHECK FOR DTC* |
(a) Check for DTCs.
Body Electrical > Navigation System > Trouble Codes Result | Proceed to |
---|---|
DTCs are output. | A |
DTCs are not output. | B |
B | ![]() | GO TO STEP 11 |
|
8. | DTC CLEAR* |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCsHINT:
The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
|
9. | RECHECK FOR DTC* |
(a) Recheck for DTCs.
Body Electrical > Navigation System > Trouble Codes Result | Proceed to |
---|---|
DTCs are output. | A |
DTCs are not output. | B |
HINT:
B | ![]() | GO TO STEP 11 |
|
10. | DIAGNOSTIC TROUBLE CODE CHART |
(a) Find the output DTC in Diagnostic Trouble Code Chart.
Click here
NEXT | ![]() | GO TO STEP 13 |
11. | 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 |
HINT:
If the symptoms do not recur and no DTCs are output, attempt to reproduce the symptoms.
Click here
B | ![]() | GO TO STEP 13 |
|
12. | PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM |
(a) Refer to Terminals of ECU.
Click here
|
13. | CHECK CIRCUIT |
(a) Adjust, repair or replace as necessary.
|
14. | RECHECK FOR DTC* |
(a) After clearing DTCs, recheck for DTCs.
Body Electrical > Navigation System > Clear DTCs Body Electrical > Navigation System > Trouble Codes
|
15. | PERFORM CONFIRMATION TEST |
NEXT | ![]() | END |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Noise Occurs or Sound Skips when Portable Player Plays
CAUTION / NOTICE / HINT HINT:
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