Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the lighting system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
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| 2. | 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, recharge or replace the auxiliary battery before proceeding.
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| 3. | CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here .gif)
| CAN DTC is output | .gif) | GO TO CAN COMMUNICATION SYSTEM |
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| 4. | CHECK COMMUNICATION FUNCTION OF SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function)* |
(a) Use the Techstream to check if the smart access system with push-button start (for Entry Function) is functioning normally.
Click here
| DTC is output | | GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) |
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| 5. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Fault is listed in Problem Symptoms Table | | ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
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| 6. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
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| 7. | ADJUST, REPAIR OR REPLACE |
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| 8. | CONFIRM TEST |
| NEXT | | END |
READ NEXT:
Operation Check
OPERATION CHECK INSPECT ILLUMINATED ENTRY SYSTEM OPERATION NOTICE: Perform this inspection with the customizable parameters set to the initial settings. HINT: When inspecting the following functions,
Customize Parameters
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When the customer requests a change in a function, first make sure that the function can be customized.
Record the current settings be
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
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Components
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