Infiniti G37 Coupe. Manual - part 242

BR-6

< PREPARATION >

PREPARATION

PREPARATION

PREPARATION

Commercial Service Tool

INFOID:0000000001647819

Tool name

Description

Power tool

Loosening bolts and nuts

Pin punch
a: 4 mm (0.16 in) dia.

Removing and installing reservoir tank 
pin

PBIC0190E

NT410

BRAKE PEDAL

BR-7

< ON-VEHICLE MAINTENANCE >

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A

B

BR

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ON-VEHICLE MAINTENANCE

BRAKE PEDAL

Inspection and Adjustment

INFOID:0000000001647821

INSPECTION

Brake Pedal Height

Check the height (H

1

) between the dash lower panel (1) and the

brake pedal upper surface.

CAUTION:

Remove the floor trim.

ASCD Brake Switch and Stop Lamp Switch

Check the clearance (C

1

 and C

2

) among ASCD brake switch (1)

threaded end, stop lamp switch (2) threaded end and the stopper
rubber (3).

CAUTION:

The stop lamp must turn off when the brake pedal is released.
NOTE:
Pull the brake pedal pad to make the clearance between the stop lamp switch threaded end and the stopper
rubber. (The stopper rubber hits ASCD brake switch threaded end.)

Brake Pedal Play

Press the brake pedal. Check the brake pedal play (A) (stroke until
fluid pressure occurs).

Brake Pedal Shaky Fitting

Standard

Brake pedal height (H

1

)

: Refer to 

BR-63, "Brake 

Pedal"

JPFIA0065ZZ

Standard

Clearance (C

1

) between 

ASCD brake switch threaded 
end and the stopper rubber 

: Refer to 

BR-63, "Brake 

Pedal"

Clearance (C

2

) between the 

stop lamp switch threaded 
end and the stopper rubber

: Refer to 

BR-63, "Brake 

Pedal"

JPFIA0004ZZ

Standard

Pedal play (A)

: Refer to 

BR-63, "Brake 

Pedal"

JPFIA0066ZZ

BR-8

< ON-VEHICLE MAINTENANCE >

BRAKE PEDAL

Check the brake pedal shaky fitting (B) (the stroke when pulling the
brake pedal pad slightly from the free play).

Depressed Brake Pedal Height

Check the height between the dash lower panel (1) and the brake
pedal upper surface (H

2

) when depressing the brake pedal at 490 N

(50 kg, 110 lb) while turning engine ON.

CAUTION:

Remove the floor trim.

ADJUSTMENT

Brake Pedal Height

1.

Disconnect the harness connector from ASCD brake switch and stop lamp switch.

2.

Turn the stop lamp switch 45

°

 counterclockwise.

3.

Loosen ASCD brake switch lock nut. Turn ASCD brake switch counterclockwise.

4.

Loosen the input rod lock nut (1). Adjust the brake pedal to the
specification. Tighten the input lock nut to the specification.
Refer to 

BR-33, "Exploded View"

.

CAUTION:

The threaded end of the input rod must project to the inner
side (L) of the clevis (3).

ASCD Brake Switch and Stop Lamp Switch

1.

Disconnect the harness connector from ASCD brake switch and stop lamp switch.

2.

Turn the stop lamp switch 45

°

 counterclockwise.

3.

Loosen ASCD brake switch lock nut. Turn ASCD brake switch counterclockwise.

Standard

Brake pedal shaky fitting (B)

: Refer to 

BR-63, "Brake 

Pedal"

JPFIA0067ZZ

Standard

Depressed brake pedal 
height (H

2

)

: Refer to 

BR-63, "Brake 

Pedal"

JPFIA0068ZZ

JPFIA0003ZZ

Standard

Brake pedal height (H

1

)

: Refer to 

BR-63, "Brake 

Pedal"

JPFIA0065ZZ

BRAKE PEDAL

BR-9

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4.

Press the brake pedal pad slightly. Release the brake pedal.
Turn ASCD brake switch (1) until ASCD brake switch threaded
end hits to the stopper rubber (2) clockwise.

CAUTION:

Never press-fit the input rod.

5.

Tighten ASCD brake switch lock nut (3) to the specification.
Refer to 

BR-19, "Exploded View"

.

CAUTION:

The clearance (C

1

) between the stopper rubber and the

ASCD brake switch threaded end must be the specified
value. Refer to 

BR-63, "Brake Pedal"

.

6.

Press-fit the stop lamp switch (4) until the stop lamp switch hits
the stopper rubber 45

°

 clockwise while pulling the brake pedal pad slightly. (ASCD brake switch threaded

end hits the stopper rubber.)

CAUTION:

• The clearance (C

2

) between the stopper rubber and the stop lamp switch threaded end must be

the specified value. Refer to 

BR-63, "Brake Pedal"

. 

• The stop lamp must turn off when the brake pedal is released.

Brake Pedal Play

1.

Disconnect the harness connector from ASCD brake switch and stop lamp switch.

2.

Turn the stop lamp switch 45

°

 counterclockwise.

3.

Loosen ASCD brake switch lock nut. Turn ASCD brake switch counterclockwise.

4.

Press the brake pedal pad slightly. Release the brake pedal.
Turn ASCD brake switch (1) until ASCD brake switch threaded
end hits to the stopper rubber (2) clockwise.

CAUTION:

Never press-fit the input rod.

5.

Tighten ASCD brake switch lock nut (3) to the specification.
Refer to 

BR-19, "Exploded View"

.

CAUTION:

The clearance (C

1

) between the stopper rubber and the

ASCD brake switch threaded end must be the specified
value. Refer to 

BR-63, "Brake Pedal"

.

6.

Press-fit the stop lamp switch (4) until the stop lamp switch hits
the stopper rubber 45

°

 clockwise while pulling the brake pedal pad slightly. (ASCD brake switch threaded

end hits the stopper rubber.)

CAUTION:

• The clearance (C

2

) between the stopper rubber and the stop lamp switch threaded end must be

the specified value. Refer to 

BR-63, "Brake Pedal"

. 

• The stop lamp must turn off when the brake pedal is released.

Brake Pedal Shaky Fitting

1.

Disconnect the harness connector from ASCD brake switch and stop lamp switch.

2.

Turn the stop lamp switch 45

°

 counterclockwise.

3.

Loosen ASCD brake switch lock nut. Turn ASCD brake switch counterclockwise.

4.

Press the brake pedal pad slightly. Release the brake pedal.
Turn ASCD brake switch (1) until ASCD brake switch threaded
end hits to the stopper rubber (2) clockwise.

CAUTION:

Never press-fit the input rod.

5.

Tighten ASCD brake switch lock nut (3) to the specification.
Refer to 

BR-19, "Exploded View"

.

CAUTION:

The clearance (C

1

) between the stopper rubber and the

ASCD brake switch threaded end must be the specified
value. Refer to 

BR-63, "Brake Pedal"

.

JPFIA0071ZZ

JPFIA0071ZZ

JPFIA0071ZZ