Lexus ES manuals

Lexus ES: Do-it-yourself service precautions

If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections.

Maintenance

Items Parts and tools
12-volt battery condition
  • Grease
  • Conventional wrench (for terminal clamp bolts)
Brake fluid level
  • FMVSS No.116 DOT 3 or SAE J1703 brake fluid
    FMVSS No.116 DOT 4 or SAE J1704 brake fluid
  • Rag or paper towel
  • Funnel (used only for adding brake fluid)
Engine/power control unit coolant level
  • "Toyota Super Long Life Coolant" or a similar high quality ethylene glycol-based non-silicate, non-amine, nonnitrite and non-borate coolant with long-life hybrid organic acid technology
    For the U.S.A.: "Toyota Super Long Life Coolant" is pre-mixed with 50% coolant and 50% deionized water.
    For Canada: "Toyota Super Long Life Coolant" is pre-mixed with 55% coolant and 45% deionized water.
  • Funnel (used only for adding coolant)
Hybrid battery (traction battery) air intake vent
  • Vacuum cleaner, etc.
  • Phillips screwdriver
Engine oil level
  • "Toyota Genuine Motor Oil" or equivalent
  • Rag or paper towel
  • Funnel (used only for adding engine oil)
Fuses
  • Fuse with same amperage rating as original
Headlight aim
  • Phillips-head screwdriver
Light bulbs
  • Bulb with same number and wattage rating as original
  • Flathead screwdriver
Radiator and condenser

-

Tire inflation pressure
  • Tire pressure gauge
  • Compressed air source
Washer fluid
  • Water or washer fluid containing antifreeze (for winter use)
  • Funnel (used only for adding water or washer fluid)

WARNING

The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury, observe the following precautions.

■When working on the engine compartment

■When working near the electric cooling fan or radiator grille Be sure the power switch is off.

With the power switch in ON mode, the electric cooling fan may automatically start to run if the air conditioning is on and/or the coolant temperature is high.

■Safety glasses Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in your eyes.

NOTICE

■If you remove the air cleaner filter Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air.

READ NEXT:

 Hood

Opening the hood 1. Pull the hood lock release lever. The hood will pop up slightly. 2. Pull up the auxiliary catch lever and lift the hood. WARNING ■Pre-driving check Check that the ho

 Engine compartment

Components Fuse boxes Engine oil filler cap Engine oil level dipstick Brake fluid reservoir Radiator Electric cooling fan Condenser Power control unit coolant reservoir Engine

 12-volt battery

Location The 12-volt battery is located on the right-hand side of the trunk. ■Before recharging When recharging, the 12-volt battery produces hydrogen gas which is flammable and explosive. T

SEE MORE:

 Camshaft Position Sensor "A" Circuit Bank 1 or Single Sensor (P034000,P034031)

DESCRIPTION If the cam position signal pulse sent from the ECM via a direct line is abnormal, the motor generator control ECU (MG ECU) (built into the inverter with converter assembly) stores DTC P034000 or P034031. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG) and wait for 90 seconds. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. Body Electrical > Navigation Syst

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