Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the meter / gauge system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS |
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| 3. | INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage with the power switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
|
| 4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
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OK:
CAN communication DTCs are not output.
| NG | .gif) | GO TO CAN COMMUNICATION SYSTEM |
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| 5. | CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output.
Click here
(b) Clear the DTCs.
Click here
(c) Recheck for DTCs by simulating the operation indicated by the DTCs.
Click here
OK:
No DTCs are output.
| NG | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
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| 6. | 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 | | PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM |
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| 7. | PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM* |
(a) Operation Check.
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(b) Terminals of ECU.
Click here
(c) Data List / Active Test.
Click here
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| 8. | ADJUST, REPAIR OR REPLACE |
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| 9. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
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