Lexus ES manuals

Lexus ES: Coolant

Components

COMPONENTS

ILLUSTRATION

*1

RADIATOR CAP SUB-ASSEMBLY

*2

RADIATOR DRAIN COCK PLUG

*3

NO. 1 ENGINE UNDER COVER

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Replacement

REPLACEMENT

CAUTION / NOTICE / HINT

CAUTION:

Do not remove the radiator cap sub-assembly or radiator drain cock plug while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.

PROCEDURE

1. DRAIN ENGINE COOLANT (for Engine)

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2. ADD ENGINE COOLANT (for Engine)

Click here

3. INSPECT FOR COOLANT LEAK (for Engine)

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READ NEXT:

 Cooling Fan System

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FAN WITH MOTOR ASSEMBLY - COOLING FAN MOTOR - COOLING FAN ECU *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - EFI-MAIN NO. 1

 System Diagram

SYSTEM DIAGRAM

SEE MORE:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired system) / Trouble Codes. Body Electrical > Wiper > Trouble Codes Body Electrical > Main Body >

 Check Bus 3 Line for Short to GND

DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and termina

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