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 cylinder head gasket removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane control system (for HV Model)

Pre-collision system (for HV Model)

Parking support brake system (for HV Model)*

Lighting system (for HV Model)

Memorize steering angle neutral point

Parking assist monitor system (for HV Model)

Panoramic view monitor system (for HV Model)

Initialize power trunk lid system

Power trunk lid system (for HV Model)

Replacement of ECM

Perform Vehicle Identification Number (VIN) registration

MIL illuminates

  • Gas leak from exhaust system is repaired
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body assembly
  • Replacement of cam timing control motor with EDU assembly
  • Removal and installation of a cam timing control motor with EDU assembly
  • Replacement of camshaft timing gear assembly
  • Removal and installation of a camshaft timing gear assembly
  • Replacement of cylinder head sub-assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing exhaust gear assembly
  • Replacement of port fuel injector assembly
  • Replacement of direct fuel injector assembly
  • Replacement of fuel pump assembly (for high pressure side)
  • Replacement of spark plug
  • Replacement of ignition coil assembly
  • Replacement of EGR valve assembly
  • Replacement of knock control sensor
  • Replacement of engine coolant temperature sensor

Inspection After Repair

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

Replacement of inverter with converter assembly

Resolver learning

  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

Replacement of hybrid vehicle transaxle assembly

  • Resolver learning
  • Initialize resolver

Front wheel alignment adjustment

  1. Clear zero point calibration data.
  2. Perform yaw rate and acceleration sensor zero point calibration.
  • DTCs are stored
  • ABS warning light illuminates
  • Brake warning light / yellow (minor malfunction) illuminates
  • Slip indicator light illuminates
  • VSC disabled or malfunctions

  • Suspension, tires, etc.*1
  • Replacement of front bumper assembly
  • Measurement of ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Parking support alert system (for HV Model)
  • Parking support brake system (for HV Model)

Suspension, tires, etc.*1

Rear television camera assembly optical axis (Back camera position setting)

Parking assist monitor system (for HV Model)

for Initialization

for Calibration

Replacement of front bumper assembly

Front television camera view adjustment

Panoramic view monitor system (for HV Model)

for Initialization

for Calibration

Suspension, tires, etc.*1

  • Parking assist ECU initialization
  • Adjust steering angle
  • Rear television camera assembly optical axis (Back camera position setting)

Replacement of headlight ECU sub-assembly LH

  • Synchronize the vehicle information
  • Perform headlight ECU sub-assembly LH initialization*2

Lighting system (for HV Model)

Suspension, tires, etc.*1

Perform headlight ECU sub-assembly LH initialization*2

  • *: When performing learning using the Techstream.

    Click here

  • *1: If the vehicle height has changed due to suspension or tire replacement.
  • *2: for LED type turn signal light

NOTICE:

  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System)
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)
  • This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

    Click here

PROCEDURE

1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND

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2. REMOVE ENGINE HANGERS

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3. REMOVE COMPRESSOR WITH MOTOR ASSEMBLY

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4. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY

Click here

5. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)

Click here

6. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

Click here

7. REMOVE MANIFOLD STAY

Click here

8. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)

Click here

9. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY

Click here

10. REMOVE THROTTLE BODY GASKET

Click here

11. REMOVE EGR COOLER ASSEMBLY

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12. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY

Click here

13. REMOVE NO. 4 WATER BY-PASS HOSE

Click here

14. REMOVE EGR VALVE ASSEMBLY

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15. REMOVE NO. 3 WATER BY-PASS PIPE

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16. REMOVE NO. 2 WATER BY-PASS PIPE

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17. REMOVE INTAKE MANIFOLD

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18. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET

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19. DISCONNECT FUEL TUBE SUB-ASSEMBLY

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20. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

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21. REMOVE FUEL PUMP ASSEMBLY (for High Pressure)

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22. REMOVE NO. 7 WATER BY-PASS HOSE

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23. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

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24. REMOVE NO. 1 DELIVERY PIPE SPACER

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25. REMOVE INJECTOR VIBRATION INSULATOR

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26. REMOVE NO. 5 ENGINE WIRE

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27. REMOVE PORT FUEL INJECTOR ASSEMBLY

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28. REMOVE FUEL DELIVERY PIPE

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29. REMOVE DIRECT FUEL INJECTOR ASSEMBLY

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30. REMOVE IGNITION COIL ASSEMBLY

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31. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

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32. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY

Click here

33. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)

Click here

34. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)

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35. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY

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36. REMOVE O-RING

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37. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY

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38. REMOVE CAM TIMING CONTROL MOTOR O-RING

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39. REMOVE CRANKSHAFT PULLEY ASSEMBLY

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40. REMOVE WATER OUTLET

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41. REMOVE WATER BY-PASS OUTLET SUB-ASSEMBLY

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42. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

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43. REMOVE SPARK PLUG TUBE GASKET

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44. REMOVE ENGINE MOUNTING BRACKET RH

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45. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY

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46. REMOVE TIMING CHAIN COVER OIL SEAL

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47. SET NO. 1 CYLINDER TO TDC (COMPRESSION)

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48. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY

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49. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

Click here

50. REMOVE CHAIN SUB-ASSEMBLY

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51. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

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52. REMOVE CHAIN TENSIONER SLIPPER

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53. REMOVE NO. 1 CHAIN VIBRATION DAMPER

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54. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

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55. REMOVE TIMING CHAIN COVER ASSEMBLY

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56. REMOVE FUEL PUMP LIFTER GUIDE

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57. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY

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58. REMOVE CAMSHAFT BEARING CAP

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59. REMOVE CAMSHAFT

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60. REMOVE NO. 2 CAMSHAFT

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61. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY

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62. REMOVE VALVE LASH ADJUSTER ASSEMBLY

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63. REMOVE VALVE STEM CAP

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64. REMOVE CYLINDER HEAD SUB-ASSEMBLY

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65. REMOVE CYLINDER HEAD GASKET

(a) Remove the cylinder head gasket from the cylinder block sub-assembly.

66. INSPECT CYLINDER HEAD SET BOLT

Click here

67. INSPECT CYLINDER HEAD SUB-ASSEMBLY

Click here

READ NEXT:

 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

 Engine

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when working in the engin

SEE MORE:

 Inspection

INSPECTION PROCEDURE 1. INSPECT FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH) NOTICE: Do not remove the fuel pressure sensor from the fuel delivery pipe with sensor assembly LH. If the fuel pressure sensor is removed, replace the fuel pressure sensor (fuel delivery pipe with

 Check Bus 3 Lines for Short Circuit

DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA

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