Lexus ES manuals

Lexus ES: Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during ignition coil assembly or spark plug removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

  • Replacement of ignition coil assembly
  • Replacement of spark plug

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

PROCEDURE

1. REMOVE V-BANK COVER SUB-ASSEMBLY

Click here

2. REMOVE IGNITION COIL ASSEMBLY

(a) Disconnect the 3 ignition coil assembly connectors.

(b) Remove the 3 bolts and 3 ignition coil assemblies from the cylinder head cover sub-assembly LH.

NOTICE:

If an ignition coil assembly has been struck or dropped, replace it.

HINT:

Arrange the removed parts in the correct order.

(c) Disengage the 4 clamps to separate the vacuum hose from the intake air surge tank assembly.

(d) Disengage the 2 wire harness clamps.

(e) Disconnect the 3 ignition coil assembly connectors.

(f) Remove the 3 bolts and 3 ignition coil assemblies from the cylinder head cover sub-assembly.

NOTICE:

If an ignition coil assembly has been struck or dropped, replace it.

HINT:

Arrange the removed parts in the correct order.

3. REMOVE SPARK PLUG

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READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL SPARK PLUG Click here 2. INSTALL IGNITION COIL ASSEMBLY HINT: Perform "Inspection After Repair" after replacing an ignition coil assembly. Click here (a) Install

 Ignition System

 Parts Location

PARTS LOCATION ILLUSTRATION *1 ECM *2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - INJ FUSE *3 IGNITION COIL ASSEMBLY *4 SPARK PLUG

SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 DEICER RELAY *2 NO. 2 ENGINE ROOM RELAY BLOCK AND NO. 2 ENGINE ROOM JUNCTION BLOCK ASSEMBLY - DEICER FUSE *3 MULTI-DISPLAY ASSEMBLY - FRONT WIPER DEICER SWITCH *4 WINDSHIELD DEICER WIRE (WINDSHIELD GLASS) *5 DLC3 *6 AIR CONDITIONING AMPLIF

 Wiper and Washer Switch Circuit

DESCRIPTION The condition of the windshield wiper switch assembly is detected and sent to the steering sensor in this circuit. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d)

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