Nissan Sentra Service Manual: Brake pedal
Adjustment
BRAKE PEDAL HEIGHT
- Remove instrument lower panel LH. Refer to IP-21, "Removal and Installation".
- Disconnect the harness connectors from the brake pedal position switch (if equipped) and the stop lamp switch.
- Turn the stop lamp switch and brake pedal position switch (if equipped) 45В° counterclockwise.
- Loosen the input rod lock nut (1). Adjust the brake pedal height to the specification.
CAUTION:
- Check the height with the floor trim removed.
- The threaded end of the input rod (2) must project to the inner side (L) of the clevis (3).
Brake pedal height (H1) : Refer to BR-54, "Brake Pedal".
- Tighten the input rod lock nut to specification. Refer to BR-34, "Exploded View".
- Check the brake pedal for smooth operation.
CAUTION:
The stop lamp must turn off when the brake pedal is released.
STOP LAMP SWITCH AND BRAKE PEDAL POSITION SWITCH
- Remove instrument lower panel LH. Refer to IP-21, "Removal and Installation".
- Disconnect the harness connectors from the brake pedal position switch (if equipped) and the stop lamp switch.
- Turn the stop lamp switch and brake pedal position switch (if equipped) 45В° counterclockwise.
- With the threaded ends of the stop lamp switch (2) and brake
pedal position switch (if equipped) (1) contacting the pedal
bracket (3), turn the switches 45В° clockwise to lock in place.
Check that both the stop lamp switch (2) and brake pedal position switch (if equipped) (1) contact ends to brake pedal bracket (3) clearance (A) are within specification.
- CAUTION:
- Make sure that the clearance (A) between the brake pedal bracket (3), stop lamp switch (2) and the brake pedal position switch (1) contact ends are within specification.
- The stop lamp must turn off when the brake pedal is released.
Clearance (A) : Refer to BR-54, "Brake Pedal".
Brake fluid
Drain and Refill
CAUTION:
Do not spill or splash brake fluid on painted surfaces. Brake
fluid may damage paint. If brake fluid is
splashed on painted areas, wash it away with water immediate ...
Other materials:
Illumination control switch signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal
Turn ignition switch on.
Check voltage between the following terminals of the illumination
control switch.
Is the inspection result normal?
...
B142A Ignition voltage
Description
DTC B142A IGNITION VOLTAGE
Ignition voltage is supplied to the air bag diagnosis sensor unit when the
ignition is in the ON position. The air
bag diagnosis sensor unit will monitor for low or high ignition voltage.
PART LOCATION
Refer to SRC-5, "Component Parts Location" ...
Brake booster
Inspection
Operation
Depress the brake pedal several times at five second intervals with
the engine stopped. Start the engine with the brake pedal fully
depressed. Check that the clearance between brake pedal and dash
lower panel decreases.
NOTE:
A slight impact with a small click may be felt ...
