Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the headup display system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
.gif)
| 2. | CUSTOMER PROBLEM ANALYSIS |
|
| 3. | INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
|
| 4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN communication DTCs are not output. | A |
| CAN communication 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 |
|---|---|
| DTCs are not output. | A |
| DTCs are output. | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 6. | PROBLEM SYMPTOM CONFIRMATION |
|
| 7. | SYMPTOM SIMULATION |
|
| 8. | 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 | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 9. | PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM* |
(a) Terminals of ECU.
Click here
(b) Data List / Active Test.
Click here
|
| 10. | REPAIR OR REPLACE |
|
| 11. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
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 symptom are listed in order of
Terminals Of Ecu
TERMINALS OF ECU HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Des
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Head Up Display / Tr
SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL SEPARATE TYPE FRONT SEATBACK COVER LH HINT:
When
Installation
INSTALLATION PROCEDURE 1. INSTALL MOBILEPHONE BATTERY CAUTION:
Do not reuse dropped or damaged parts.
Wear gloves when contacting parts that have been dropped from a height of 1 m or higher.
There may be an internal short or the temperature may increase to 100°C or higher due to the shock fr
