Lexus NX: Under Hood
General Maintenance
GENERAL MAINTENANCE
PROCEDURE
1. GENERAL NOTES
- Maintenance requirements vary depending on country.
- Check the maintenance schedule in the owner's manual.
- Following the maintenance schedule is mandatory.
- Determine the appropriate time to service the vehicle using either miles driven or time (months) elapsed, whichever reaches the specification first.
- Maintain similar intervals between periodic maintenance unless noted.
- Failing to check each maintenance item could lead to poor engine performance and increased exhaust emissions.
2. WINDSHIELD WASHER FLUID
(a) Check that there is sufficient fluid in the tank.
3. ENGINE COOLANT LEVEL
(a) Check that the coolant level is between the "FULL" and "LOW" lines on the see-through reservoir.
4. INVERTER COOLANT LEVEL
(a) Check that there is sufficient fluid in the tank.
5. RADIATOR AND HOSES
(a) Check that the front of the radiator is clean and not blocked by leaves, dirt and bugs.
(b) Check the radiator and hoses for:
- Damage
- Cracks
- Kinks
- Corrosion
- Rot
- Clogging
- Leaks
6. BRAKE FLUID LEVEL
(a) Check that the brake fluid level is near the upper level line on the see-through reservoir.
7. ENGINE DRIVE BELT
(a) Check the drive belt for fraying, cracks, wear or oil.
8. ENGINE OIL LEVEL
(a) Check that the engine oil level is between the full level and low level marks on the dipstick with the power switch off.
9. HYBRID TRANSAXLE FLUID LEVEL
(a) Check the level of the hybrid transaxle fluid.
Click here 
10. EXHAUST SYSTEM
(a) Visually inspect for severe corrosion, cracks, holes or loose supports.
HINT:
If any change in the sound of the exhaust or smell of the exhaust fumes is noticed, inspect and repair the exhaust system.
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Procedure
PROCEDURE PROCEDURE 1. CUSTOMIZE DYNAMIC RADAR CRUISE CONTROL SYSTEM Click here 2. CUSTOMIZE LANE TRACING ASSIST SYSTEM Click here 3. CUSTOMIZE ROAD SIGN ASSIST SYSTEM Click here 4. CUSTOMIZE AD
SEE MORE:
Lost Communication with Main Body ECU (U0140,U0142,U0155,U0293,U1117)
DESCRIPTION These DTCs are stored when there is a CAN communication error between the hybrid vehicle control ECU, certification ECU (smart key ECU assembly), ECM, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option connector (bus buffer ECU) cannot be r
Drive Motor "A" Torque Delivered Performance (P0C19-306)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that the motor torque execution value does not correspond to the torque command value sent from the hybrid vehicle control ECU to the motor. The cause of this malfunction may be one of the following: Area Main Malfunction Description Step
