Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM10000000265FR
Model Year Start: 2023 Model: Corolla Prod Date Range: [09/2022 -           ]
Title: BRAKE SYSTEM (OTHER): BRAKE PEDAL (for HV Model): ADJUSTMENT; 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]

ADJUSTMENT

PROCEDURE

1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT

(a) Remove the front door scuff plate LH.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): REMOVAL+

(b) Remove the cowl side trim sub-assembly LH.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): REMOVAL+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): REMOVAL+

(c) Turn back the front floor carpet assembly.

(d) Check the brake pedal height.

NOTICE:

  • Inspect and adjust the brake pedal height with the floor carpet folded back.
  • When performing the measurement, make sure that the measuring device is contacting the surface of the dash panel insulator assembly clip.

(1) Measure the shortest distance between the brake pedal pad surface and dash panel insulator assembly clip.

*1

Brake Pedal Pad

*2

Dash Panel Insulator Assembly Clip

*a

Brake Pedal Height

*b

35 mm (1.38 in.)

Brake Pedal Height from Dash Panel Insulator Assembly Clip:

172.2 to 186.2 mm (6.78 to 7.33 in.)

HINT:

If the pedal height is not as specified, adjust the brake pedal height according to the procedure below.

(e) Adjust the push rod length.

(1) Remove the stop light switch assembly.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; LIGHTING (EXT): STOP LIGHT SWITCH: REMOVAL

*1

Lock Nut

*2

Stop Light Switch Assembly

*3

Dash Panel Insulator Assembly Clip

*a

Brake Pedal Height

(2) Loosen the lock nut.

(3) Adjust the brake pedal height by turning the push rod.

Brake Pedal Height from Dash Panel Insulator Assembly Clip:

172.2 to 186.2 mm (6.78 to 7.33 in.)

(4) Tighten the lock nut.

Torque:

17.5 N·m {178 kgf·cm, 13 ft·lbf}

(5) Install the stop light switch assembly.

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; LIGHTING (EXT): STOP LIGHT SWITCH: INSTALLATION

(f) Install the front floor carpet assembly to its original position.

(g) Install the cowl side trim sub-assembly LH.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): INSTALLATION+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): INSTALLATION+

(h) Install the front door scuff plate LH.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): INSTALLATION+ 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): INSTALLATION+

2. PERFORM INITIALIZATION AND CALIBRATION

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): UTILITY

3. INSPECT BRAKE PEDAL FREE PLAY

(a) Depress the brake pedal until a slight resistance is felt. Measure the brake pedal free play as shown in the illustration.

Brake Pedal Free Play:

1.0 to 6.0 mm (0.0394 to 0.236 in.)

HINT:

  • If the pedal free play is not as specified, check the stop light switch clearance.

    Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; LIGHTING (EXT): STOP LIGHT SWITCH: INSTALLATION+

  • If the pedal free play is as specified, proceed to the Inspect Brake Pedal Reserve Distance procedure.

*a

Brake Pedal Free Play

4. INSPECT BRAKE PEDAL RESERVE DISTANCE

(a) With the power switch on (READY), depress the brake pedal and measure the brake pedal reserve distance.

*1

Brake Pedal Pad

*2

Column Hole Cover Silencer Sheet

*a

Brake Pedal Reserve Distance

*b

35 mm (1.38 in.)

*c

70 mm (2.76 in.)

-

-

Measuring Plane of Column Hole Cover Silencer Sheet

-

-

Brake Pedal Reserve Distance from Column Hole Cover Silencer Sheet at 300 N (31 kgf, 67.4 lbf):

103 mm (4.06 in.) or more