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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PROBLEM SYMPTOMS TABLE NOTICE:
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SEE MORE:
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
When using the Techstream with the power switch off, connect the Techstrea
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no malfunction, clear the DTC.
While the auxiliary battery is connected, even if the power switch is of
