Lexus ES: Under Hood
UNDER HOOD
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 vehicle part could lead to poor engine performance and increased exhaust emissions.
WINDSHIELD WASHER FLUID
(a) Check that there is sufficient fluid in the tank.
ENGINE COOLANT LEVEL
(a) Check that the coolant level is between the "FULL" and "LOW" lines on the see-through reservoir.
INVERTER COOLANT LEVEL
(a) Check that there is sufficient fluid in the tank.
RADIATOR AND HOSES
(a) Check that the front of the radiator is clean and not blocked by leaves, dirt or insects.
(b) Check the radiator and hoses for:
- Damage
- Cracks
- Kinks
- Corrosion
- Rot
- Clogging
- Leaks
BATTERY ELECTROLYTE LEVEL
(a) Check that the electrolyte level of all the auxiliary battery cells is between the upper and lower level lines on the case.
HINT:
If the electrolyte level is difficult to see, lightly shake the vehicle.
BRAKE FLUID LEVEL
(a) Check that the brake fluid level is near the upper level line on the see-through reservoir.
ENGINE DRIVE BELT
(a) Check the drive belt for fraying, cracks, wear or oil.
ENGINE OIL LEVEL (for HV Model)
(a) Check that the engine oil level is between the full level and low level marks on the dipstick with the power switch off.
ENGINE OIL LEVEL (for Gasoline Model)
(a) Check that the engine oil level is between the full level and low level marks on the dipstick with the engine turned off.
HYBRID TRANSAXLE FLUID LEVEL
(a) Check the level of the hybrid transaxle fluid.
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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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Engine
ENGINE
HINT:
Perform these procedures after the engine has cooled down.
INSPECT DRIVE BELT
(a) Inspect the drive belt.
2GR-FKS: Click here
INSPECT ENGINE OIL
(a) Inspect the engine oil.
A25A
Engine
ENGINE
HINT:
Perform these procedures after the engine has cooled down.
INSPECT DRIVE BELT
(a) Inspect the drive belt.
2GR-FKS: Click here
A25A-FKS: Click here
INSPECT ENGINE OIL
(a) Inspe
Brake
BRAKE
INSPECT BRAKE LINE PIPES AND HOSES
HINT:
Work in a well-lighted area. Turn the front wheels fully to the right or left
before beginning the inspection.
(a) Using a mirror, check the entire
SEE MORE:
System Description
SYSTEM DESCRIPTION LIN COMMUNICATION SYSTEM DESCRIPTION The LIN communication system is used for communication between the components in the tables below. If communication cannot be performed through LIN communication such as when there is an open or short in a communication line, the master control
Radio Receiver Power Source Circuit
DESCRIPTION This is the power source circuit to operate the radio receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBL
