Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the LEXUS ENFORM system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CHECK THE CUSTOMER'S CONTRACT STATUS |
(a) Check if the satellite radio and LEXUS ENFORM contracts are valid, or if the contract period has ended using the vehicle inquiry function on TIS.
| Result | Proceed to |
|---|---|
| Both Contracts are valid. | A |
| Contract for satellite radio is not valid. | B |
| Contract for LEXUS ENFORM is not valid. | C |
| B | .gif) | GO TO NAVIGATION SYSTEM |
| C | | GO TO SAFETY CONNECT SYSTEM |
|
| 3. | CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN DTCs are not output. | A |
| CAN DTCs are output. | B |
| B | | GO TO CAN COMMUNICATION SYSTEM |
|
| 4. | CHECK DTC* |
(a) Check for DTCs.
Safety connect system: Click here
Telematics system: Click here
| Result | Proceed to |
|---|---|
| DTCs are not output. | A |
| Safety connect system DTCs are output. | B |
| Telematics system DTCs are output. | C |
| B | | GO TO SAFETY CONNECT SYSTEM |
| C | | GO TO TELEMATICS SYSTEM |
|
| 5. | 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 symptom does not recur and no DTCs are output, perform the simulation method.
Click here
| B | | GO TO STEP 7 |
|
| 6. | PERFORM TROUBLESHOOTING |
(a) Refer to Terminals of ECU.
Click here
|
| 7. | REPAIR OR REPLACE |
|
| 8. | CONFIRMATION TEST |
| NEXT | | END |
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