Hyundai Santa Fe (2006 year). Manual — part 256
BR -196
BRAKE SYSTEM
OUTPUT CHARACTERISTIC
Lower limitation
Lower limitation
Upper limitation
Upper limitation
Yaw-rate w in /s
Acceleration a in g
EJRF502E
CIRCUIT DIAGRAM (YAW-RATE
&
LATERAL G SENSOR)
IGN
Test
Yaw-rate reference
GND
Lateral G sensor signal
Yaw-rate sensor signal
IGN
1
2
3
4
5
6
37
18
20
16
ESP HECU
Yaw-rate & lateral G sensor
[Yaw-rate & lateral G sensor connector]
1
4
5
6
2
3
LJKF501B
ESP/ESC SYSTEM
BR -197
ESP/ESC SWITCH
DESCRIPTION
EA50DA4D
1.
The ESP OFF switch is for the user to turn off the ESP
system.
2.
The ESP OFF lamp is on when ESP OFF switch is
engaged.
INSPECTION
ECCACCB6
1.
Remove the ESP OFF switch from the switch panel
on the crach pad of the driver’s side.
*
*
2
3
4
5
SCMBR6585L
2.
Check the continuity between the switch terminals as
the ESP OFF switch is engaged. (Refer to circuit di-
agram)
BR -198
BRAKE SYSTEM
STEERING WHEEL ANGLE
SPEED SENSOR
DESCRIPTION
EFE7E8E2
GENERAL DATA
The steering angle speed sensor detects the angle of the
steering wheel in order to which direction a user chooses.
MEASUREING PRINCIPLE
A non contact, analog angle sensor carrying out abso-
lute measuring by the use of the Anisotropic-Magneto-Re-
sistive effect (AMR).Measuring of the absolute angle by
means of a toothed measuring gear with magnetic prop-
erties in combination with different ratios. Corresponding
AMR elements that change their electrical resistance ac-
cording to the magnetic field direction detect the angle po-
sition of the measuring gears.A micro-controller decodes
the measured voltage signals after A/D converting with the
help of a mathematical function. Output of the digital an-
gle value and velocity via CAN-interface.
SPECIFICATION
Description
Specification
Operating voltage
8~16 V
Operating temperature
-40 ~ 85
℃
Current consumption
Max.150 mA
Steering angle velocity
Max. ±2000 /sec
Connection delay time
t
<
200 ms
Reverse voltage
-13.5 V
Angle
-780
~ 779
Measuring range
Angular velocity
0~ 1016 /s
Nonlinearity angle
-2.5
~ +2.5
Hysteresis angle
0
~ 5
Rotational friction torque measuring
10 /s
CIRCUIT DIAGRAM( STEERING WHEEL SPEED
ANGLE SENSOR)
15
35
14
2
1
3
4
IG
GND
High
Low
Steering wheel angle sensor
ESP HECU
IGN
1
2
3
4
LJKF501E
ESP/ESC SYSTEM
BR -199
STEERING ANGLE SENSOR (SAS) CALIBRATION
1.
PURPOSE OF calibration
-
On vehicle control, an ESP analyzes the intention
of the driver.
-
An ESP recognizes a steering angle which a
driver rotates through the steering angle sensor.
-
A steering angle sensor used in ESP adjusts 0
setting of steering wheel through K-line or CAN
communication.
2.
STEERING ANGLE SENSOR (SAS) CALIBRATION
METHOD
less than 1
less than 5
EJRF502J
1)
Align the wheel to the straight line.
(steering
wheel
<
± 5 )
ex) Perform the wheel alignment first.
Align the wheel to the straight line.
A driver moves the vehicle to the front and back
about 5 meters twice or three times.
2)
Connect Scan tool to the vehicle.
3)
Select Brake system.
4)
Select Steering angle sensor(SAS) calibration.
1. HYUNDAI VEHICLE DIAGNOSIS
MODEL : CM
SYSTEM : ANTI - LOCK BRAKE SYSTEM
03. FLIGHT RECORD
04. ACTUATION TEST
01. DIAGNOSTIC TROUBLE CODES
02. CURRENT DATA
05. SIMU-SCAN
06. AIR BLEEDING MODE
07. IDENTIFICATION CHECK
08. STEERING ANGLE SENSOR
06-
SCMBR6586L
5)
Perform the Steering angle sensor(SAS) calibra-
tion.
1. 9 .STEERING ANGLE SENSOR
AIM
THIS FUNCTION RESET THE SAS
VALVE TO ZERO-SET.
PERFORM THIS FUNCTION WHEN
YOU REPLACE SENSOR OR
STEERING COLUMN.
IF YOU READY, PRESS [ENTER] KEY.
*
EJRF703M
6)
Perform the procedure continuously.
1.9 STEERING ANGLE SENSOR
STEERING ANGLE SENSOR
CONDITION
PRESS [REST], IF YOU ARE READY!
STRAIGHTEN THE FRONT TIRE,
AND ARRANGE THE STEERING
WHEEL AT THE CENTER
POSITION.
IG.KEY ON, ENGINE STOP
REST
EJRF703N
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