Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the adaptive variable suspension system.
*: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | PROBLEM SYMPTOM CONFIRMATION |
|
| 3. | INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the voltage of the auxiliary battery.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.
|
| 4. | CHECK ECUS CONNECTED TO CAN BUS* |
(a) Check the ECUs connected to the CAN bus.
Click here .gif)
| Result | Proceed to |
|---|---|
| No malfunction appears | A |
| Malfunction appears | B |
| B |  | GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) |
|
| 5. | CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
(b) Clear the DTCs and Freeze Frame Data.
for DTC Check / Clear: Click here
for Freeze Frame Data: Click here
(c) Reconfirm the DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.
Chassis > Air suspension > Trouble Codes| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 6. | PROBLEM SYMPTOMS TABLE |
| Result | Proceed to |
|---|---|
| Fault is not listed in problem symptoms table | A |
| Fault is listed in problem symptoms table | B |
| B | | GO TO STEP 9 |
|
| 7. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
|
| 8. | REPAIR OR REPLACE |
|
| 9. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
Customize Parameters
CUSTOMIZE PARAMETERS Drive Mode Customization "Custom" settings can be changed on the screen of the multi-display. HINT: "Custom" mode can be selected by using the drive mode select switch (integratio
Test Mode Procedure
TEST MODE PROCEDURE TEST MODE PROCEDURE NOTICE:
After replacing the absorber control ECU, it is necessary to perform registration of vehicle identification information. Vehicle identification infor
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
SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL FRONT NO. 1 SPEAKER ASSEMBLY NOTICE: Do not touch the cone part of the speaker. (a) Temporarily install the speaker by attaching t
Terminals Of Ecu
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU). Click here *1 Main Body ECU (Multiplex Network Body ECU) - - (b) Measure the voltage and resistance according to t
