Hyundai Santa Fe (2006 year). Manual — part 250
BR -172
BRAKE SYSTEM
REMOVAL
E3FAEDF1
1.
Remove the air cleaner assembly.
SCMBR6502D
2.
Remove the ECM (Engine Control Module).
3.
Disconnect the brake tubes from the HECU.
Tightening torque Nm (kgf.m, lb-ft):
5.9 ~ 9.8 (0.6 ~ 1.0, 4.3 ~ 7.2)
SCMBR6030D
4.
Disconnect the HECU connector.
SCMBR6031D
5.
Remove the HECU by loosening the bracket mounting
bolts.
Tightening torque Nm (kgf.m, lb-ft):
16.7 ~ 25.5 (1.7 ~ 2.6, 12.3 ~ 18.8)
CAUTION
•
Never attempt to disassemble the HECU.
•
The HECU must be protected during storage
and transport, and must not be subjected to
excessive shock.
INSTALLATION
ED22ACCD
1.
Installation is the reverse of removal.
2.
After installation, bleed the brake system. (Refer to
ABS bleeding)
ABS (ANTI-LOCK BRAKE SYSTEM)
BR -173
FRONT WHEEL SPEED SENSOR
COMPONENTS
EB05B232
1. Tone wheel
2. Front wheel speed sensor
3. Sensor cable bracket
1
2
3
SCMBR6578L
BR -174
BRAKE SYSTEM
INSPECTION
E7C860B4
1.
Measure the output voltage between the terminal of
the wheel speed sensor and the body ground.
CAUTION
In order to protect the wheel speed sensor, when
measuring output voltage, a 75Ω resistor must be
used as shown.
Power
Ground
DC 12V
R(75
Ω
)
Oscilloscope
Tone wheel
Wheel sensor
Vin
Vout
EJRF501Z
2.
Compare the change of the output voltage of the
wheel speed sensor to the normal change of the
output voltage as shown below.
V
V
high
V
low
0V
t
KJQE260B
• V_low : 0.44 V ~ 0.63 V
• V_high : 0.885 V ~ 1.26 V
• Frequency range : 1~2,500 Hz
ABS (ANTI-LOCK BRAKE SYSTEM)
BR -175
REAR WHEEL SPEED SENSOR
COMPONENTS
EF1FCFDB
1. Rear wheel speed sensor connector
2. Rear wheel speed sensor
3. Sensor cable bracket
2
2
3
SCMBR6579L
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