Lexus NX: How To Proceed With Troubleshooting
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 .gif)
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| 3. | INSPECT AUXILIARY BATTERY VOLTAGE |
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 DTC AND FREEZE FRAME DATA* |
(a) Check and record DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
(1) Record the DTC and Freeze Frame Data.
(b) Clear the DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
(c) Reconfirm the DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.
Chassis > Electric Parking Brake > 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 and problem symptom can be confirmed and reproduced. | A |
| DTCs are not output. | B |
| DTCs are not output and problem symptom cannot be confirmed and reproduced. | C |
HINT:
- Refer to Diagnostic Trouble Code Chart when any DTCs are output
- When DTCs indicating a CAN communication system malfunction are output, first troubleshoot and repair the CAN communication system.
| B | .gif) | GO TO DIAGNOSTIC TROUBLE CODE CHART |
| C | | USE SIMULATION METHOD TO CHECK |
|
| 5. | PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
| Fault is listed in Problem Symptoms Table | | 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 REPLACEMENT |
|
| 8. | CONFIRMATION TEST |
| NEXT | | END |
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