Lexus NX: How To Proceed With Troubleshooting
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
| 2. | CONFIRM PROBLEM SYMPTOMS |
|
| 3. | CUSTOMER PROBLEM ANALYSIS |
(a) Check if the vehicle has been jump started due to a discharged auxiliary battery.
| Result | Proceed to |
|---|---|
| The vehicle has never been jump started. | A |
| The vehicle has been jump started due to a discharged auxiliary battery. | B |
| B |  | GO TO ON-VEHICLE INSPECTION / CHECK AUXILIARY BATTERY VOLTAGE |
|
| 4. | CAN COMMUNICATION SYSTEM CHECK |
(a) Using the Techstream, display the CAN Bus Check screen and check that all ECUs and sensors that are connected to the CAN communication system are displayed on the screen.
| NG | | GO TO CAN COMMUNICATION SYSTEM |
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|
| 5. | CHECK FOR DTCS |
| Result | Proceed to |
|---|---|
| DTCs are not output | A |
| DTCs are output | B |
| B | | GO TO DTC CHART |
|
| 6. | ON-VEHICLE INSPECTION |
| Result | Proceed to |
|---|---|
| Malfunctioning area has not been determined | A |
| Malfunctioning area has been determined | B |
| B | | GO TO STEP 8 |
|
| 7. | CHECK FOR INTERMITTENT PROBLEMS |
|
| 8. | REPAIR OR REPLACE |
| NEXT | | END |
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On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. HINT: If they are not, connect them properly. (b) Check t
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Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Rear Seat Heater - - *1 AIR CONDITIONING CONTROL ASSEMBLY *2 SEAT HEATER SWITCH (for Driver Side) *3 SEAT HEATER SWITCH (for Front Passenger Side) *4 NO. 3 RELAY BLOCK
- RR S-HTR RELAY (w/ Rear Seat Heater)
*5 REFRESHING SEA
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE 1. INSTALL FOG LIGHT ASSEMBLY LH (a) Attach the guide. (b) Install the fog light assembly LH with the 2 screws. 2. INSTALL FRONT BUMPER ASSEM
