Lexus ES manuals

Lexus ES: On-vehicle Inspection

Lexus ES (XZ10) Service Manual / Drivetrain / Axle And Differential / Front Axle Hub / On-vehicle Inspection

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during front axle hub sub-assembly on-vehicle inspection are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model:)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*: When performing learning using the Techstream.

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Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System

Pre-collision System

Parking Support Brake System*

Lighting System

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Initialize power trunk lid system

Power Trunk Lid System (for HV Model)

NOTICE:

for HV Model:
  • 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)

CAUTION / NOTICE / HINT

for HV Model:

  • When removing or installing the front disc brake caliper assembly, pushing back the disc brake piston may cause a large clearance between the brake pads and brake disc. When the brake pedal is depressed with a large clearance between the brake pads and the brake disc, DTC C1214 related to abnormal brake fluid pressure may be stored. Make sure to clear any DTCs after performing this procedure.
  • While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or any door courtesy switch turns on. Therefore, when servicing the brake system components, do not operate the brake pedal or open/close the doors while the auxiliary battery is connected.

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. PRECAUTION (for HV Model)

NOTICE:

After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

2. DISABLE BRAKE CONTROL (for HV Model)

Click here

3. REMOVE FRONT WHEEL

Click here

4. SEPARATE FRONT FLEXIBLE HOSE

Click here

5. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY

Click here

6. REMOVE FRONT DISC

Click here

7. INSPECT FRONT AXLE HUB BEARING LOOSENESS

(a) Using a dial indicator with magnetic base, check for looseness near the center of the front axle hub sub-assembly.

Maximum Looseness:

0.05 mm (0.00196 in.)

NOTICE:

  • Ensure that the dial indicator is set perpendicular to the measurement surface.
  • Keep the magnet of the dial indicator away from the front axle hub sub-assembly and front speed sensor.

HINT:

If the looseness exceeds the maximum, replace the front axle hub sub-assembly.

8. INSPECT FRONT AXLE HUB RUNOUT

(a) Using a dial indicator with magnetic base, check for runout on the surface of the front axle hub sub-assembly outside the front axle hub bolts.

Maximum Runout:

0.05 mm (0.00196 in.)

NOTICE:

  • Ensure that the dial indicator is set perpendicular to the measurement surface.
  • Make sure to set the tip of the dial indicator towards the outside of the front axle hub bolts.
  • Keep the magnet of the dial indicator away from the front axle hub sub-assembly and front speed sensor.

HINT:

If the runout exceeds the maximum, replace the front axle hub sub-assembly.

9. INSTALL FRONT DISC

Click here

10. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY

Click here

11. INSTALL FRONT FLEXIBLE HOSE

Click here

12. INSTALL FRONT WHEEL

Click here

13. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (for HV Model)

(a) Connect the reservoir level switch connector.

(b) Connect the cable to the negative (-) auxiliary battery terminal.

Click here

(c) Turn the power switch on (READY).

(d) Depress the brake pedal and release it.

(e) Clear the DTCs.

Click here

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