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 |
|---|---|---|---|
| Inspection after repair |
| |
NOTICE:
This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
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PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
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2. REMOVE IGNITION COIL ASSEMBLY
| (a) Disconnect the 4 ignition coil assembly connectors. |
|
(b) Using an 8 mm socket wrench, remove the 4 bolts and 4 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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Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here
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
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Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT NOTICE: Before adjusting the park/neutral position switch assembly, check that the shift lever is in N. PROCEDURE 1. SECURE VEHICLE (a) Fully apply the parking brake and chock a wheel. CAUTION:
Make sure to apply the parking brake and chock a wheel before perfor
Fr Sensor Initialization Incomplete (C1AF3)
DESCRIPTION When it is judged that the front sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF3. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF3 Fr Sensor Initialization Incomplete Front sensor not initialized
Initialize fro
