Lexus NX: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the meter / gauge 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 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 to the next step.
|
| 4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here .gif)
OK:
CAN communication DTCs are not output.
| NG | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | 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 by simulating the operation indicated by the DTCs.
Click here
OK:
No DTCs are output.
| NG | | 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 | | PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM |
|
| 7. | PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM* |
(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 INSPECT INDICATOR/WARNING LIGHT (a) Check the following indicators and warning lights. Indicator/Warning Light Switch Condition Specified Condition
*1: w/ Pre-collision Syst
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE METER / GAUGE SYSTEM (a) Customizing with the Techstream (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Enter
Initialization
INITIALIZATION MAINTENANCE REQUIRED REMINDER RESET PROCEDURE (with mph units) (a) Turn the power switch on (IG). (b) Using the steering pad switch assembly, display the setting display on the multi-in
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY NOTICE:
Do not remove the steering sensor from the spiral with sensor cable sub-assembly.
As the spiral with sensor cable sub-assembly may break, do not rotate the spiral with sensor cable sub-assembly more than the specified
Brake Hold Standby Indicator Light Circuit
DESCRIPTION The brake hold standby indicator light turns on if brake hold control is possible when the following conditions required for operation standby are met and the brake hold switch (integration control and panel assembly) is turned on while the power switch is on (IG).
Conditions required
