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

Click here

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:

 Check Bus 1 Line for Short to +B

DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termin

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK 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 / Sliding Roof or Sliding Sunshade / Trouble Codes. Body Electrical > Sliding Roof > Trouble Codes (e) Check the de

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