Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the AFS (front-lighting adaptive system).
- *: Use the Techstream
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK |
|
| 3. | INSPECT AUXILIARY BATTERY |
(a) Measure the auxiliary battery voltage with the power switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
|
| 4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN communication system DTCs are not output | A |
| CAN communication system DTCs are output | B |
| B | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | CHECK FOR DTC* |
(a) Check for DTCs.
Click here
(b) Clear the DTCs.
Click here
(c) Recheck for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC output does not reoccur | A |
| DTC output reoccurs | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 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 | | ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
|
| 7. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check.
Click here
(b) Terminals of ECU.
Click here
(c) Data List / Active Test.
Click here
|
| 8. | ADJUST, REPAIR OR REPLACE |
|
| 9. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Operation Check
OPERATION CHECK AFS (FRONT-LIGHTING ADAPTIVE SYSTEM) OPERATION CHECK NOTICE: Make sure that the customize settings are set to default when performing the AFS (front-lighting adaptive system) operation
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE AFS (ADAPTIVE FRONT-LIGHTING SYSTEM) NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make
Initialization
INITIALIZATION NOTICE:
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during headlight
SEE MORE:
DCM Data Signal Circuit between Navigation ECU and DCM
DESCRIPTION This circuit is used to send and receive signals between the DCM (telematics transceiver) and radio receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (DCM [TELEMATICS TRANSCEIVER] - RADIO RECEIVER ASSEMBLY) (a) Disconnect the I153 radio receiver assembl
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE LIGHTING SYSTEM (EXT) NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Record the current settings before customizing.
HINT: The following items can be customized. (a) Customizing with the Techstrea
