Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the panoramic view monitor system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS |
(a) Ask the customer about the problems and the conditions at the time the malfunction occurred to make sure the problem symptom was not temporarily caused by radio waves in the surrounding environment.
HINT:
The parking assist monitor display may be temporarily distorted due to radio waves around the vehicle.
| Problem Symptom | Cause |
|---|---|
| The problem symptom indicates a parking assist monitor display malfunction and the problem symptom cannot be reproduced. | The display may be temporarily distorted when the vehicle is close to an object that transmits radio waves, such as a telecommunication tower, an airport or a truck equipped with a transceiver. |
|
| 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, replace or recharge the auxiliary battery before proceeding.
|
| 4. | SYSTEM CHECK |
(a) Check the vehicle specification.
| Result | Proceed to |
|---|---|
| w/ Navigation System | A |
| w/ Audio and Visual System | B |
| B | .gif) | GO TO STEP 6 |
|
| 5. | CHECK NAVIGATION SYSTEM |
(a) Refer to the navigation system.
Click here .gif)
| Result | Proceed to |
|---|---|
| Navigation system is normal | A |
| Navigation system is abnormal | B |
| A | | GO TO STEP 6 |
| B | | GO TO NAVIGATION SYSTEM |
| 6. | CHECK AUDIO AND VISUAL SYSTEM |
(a) Refer to the audio and visual system.
Click here
OK:
Audio and visual system is normal.
| NG | | GO TO AUDIO AND VISUAL SYSTEM |
|
| 7. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
| Result | Proceed to |
|---|---|
| CAN DTCs are not output | A |
| CAN DTCs are output | B |
| B | | GO TO CAN COMMUNICATION SYSTEM |
|
| 8. | 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. Try to prompt the DTC by simulating the original activity that the DTC suggests.
Click here
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 9. | PROBLEM SYMPTOMS TABLE |
(a) Refer to the 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 | | GO TO STEP 11 |
|
| 10. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
|
| 11. | ADJUST, REPAIR OR REPLACE |
|
| 12. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Initialization
INITIALIZATION INITIALIZE PANORAMIC VIEW MONITOR SYSTEM (a) When "!" mark is displayed on the multi-display assembly, correct the steering angle neutral point using the following method. (1) Fully tur
Calibration
CALIBRATION ADJUST PANORAMIC VIEW MONITOR SYSTEM (a) This panoramic view monitor system can be set from the diagnostic screen of the multi-display assembly. (b) If the following operations are perform
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
The following inspection procedure of the panoramic view monitor system is described on the assumption that the audio and visual system*1 or navigation system*2 is no
SEE MORE:
Installation
INSTALLATION PROCEDURE 1. INSTALL SERVICE PLUG GRIP CAUTION: Wear insulating gloves. NOTICE: Before connecting the service plug, check that no parts and tools remain and that the high voltage terminals and connectors are connected securely. (a) Wear insulated gloves and install the service plug grip
CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION If DTC U1000 is stored frequently, duplicate the problem symptoms and perform the inspection again even if the DTC is not output when rechecking for DTCs. DTC No. Detection Item DTC Detection Condition Trouble Area U1000 CAN Communication Failure (Message Registry) ECU m
