2012 Lexus IS 250C Automatic TransFACTORY OEM SERVICE PROCEDURE

Front Speed Sensor: Removal: Removal

HINT: 

  • Use the same procedure for the RH side and LH side.
  • The procedure listed below is for the LH side.
  • The front speed sensor is a component of the front axle hub sub-assembly. If the front speed sensor needs to be replaced, replace the front axle hub sub-assembly.
  • If the sensor rotor needs to be replaced, replace it together with the front axle hub sub-assembly.
  1. PRECAUTION (w/ Navigation System for HDD) 
    NOTE:

    After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal.

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  3. REMOVE FRONT WHEEL 
  4. DISCONNECT FRONT SPEED SENSOR WIRE 
    1. Disconnect the front speed sensor wire from the front speed sensor.
      Fig 1: View Of Disconnecting Front Speed Sensor Connector
      GTY135245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY  . Refer to REPLACEMENT - Step 2
  6. REMOVE FRONT DISC (for Floating Type Caliper)  . Refer to REMOVAL - Step 14
  7. REMOVE FRONT DISC (for Opposed Type Caliper)  . Refer to REMOVAL - Step 9
  8. REMOVE FRONT AXLE HUB SUB-ASSEMBLY 
    1. Remove the front axle hub sub-assembly. Refer to REMOVAL - Step 5 .

      HINT: 

      • The front speed sensor is a component of the front axle hub sub-assembly. If the front speed sensor needs to be replaced, replace the front axle hub sub-assembly.
      • If the sensor rotor needs to be replaced, replace it together with the front axle hub sub-assembly.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.