Hyundai i-30: ESP (Electronic Stability Program) System / Repair procedures
ESP System Bleeding
This procedure should be followed to ensure adequate bleeding of air and filling
of the ESC unit, brake lines and master cylinder with brake fluid.
1. |
Remove the reservoir cap and fill the brake reservoir with brake fluid.
• |
If there is any brake fluid on any painted surface,
wash it off immediately.
|
• |
When pressure bleeding, do not depress the brake pedal.
|
• |
Recommended fluid........ DOT3 or DOT4
|
|
|
2. |
Connect a clear plastic tube to the wheel cylinder bleeder plug and
insert the other end of the tube into a half filled clear plastic bottle.
|
3. |
Connect the diagnostic tool to the data link connector located underneath
the dash panel.
|
4. |
Select and operate according to the instructions on the diagnostic tool
screen
• |
You must obey the maximum operating time of the ESC
motor with the diagnostic tool to prevent the motor
pump from burning.
|
2) |
Select ABS/ESC system.
|
3) |
Select HCU air bleeding mode.
|
|
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5. |
Pump the brake pedal several times, and then loosen the bleeder screw
until fluid starts to run out without bubbles. Then close the bleeder
screw (A).
[Front]
[Rear Disc Brake]
[Rear Durm Brake]
|
6. |
Repeat the procedure for wheel in the sequence shown below until air
bubbles no longer appear in the fluid.
|
7. |
Refill the master cylinder reservoir to MAX (upper) level line.
|
Schematic Diagrams
[Without EPB]
[With EPB]
Terminal Function
[EPB None Apply]
PIN No
Desciption
Current
max
min
1
Voltage supply for pump motor
40A
10 MΩ
2
-
1...
Failure Diagnosis
1.
In principle, ESP and TCS controls are prohibited in case of ABS failure.
2...
Other information:
Troubleshooting
Symptom
Possible cause
Remedy
Hard steering
Improper front wheel alignment
Excessive turning resistance of lower arm ball joint
Low tire pressure
No power assist
Correct
Replace
Adjust
Repair and replace
Poor return of steering wheel to center
Improper front wheel alignment
Correct
Poor or rough ride
Improper front wheel alignment
Malfunctioning shock absorber
Broken or worn stabilizer
Broken or worn coil spring
Worn lower arm bushing
Correct
Repair or replace
Replace
Replace
Replace the lower arm assembly
Abnormal tire wear
Improper front wheel alignment
Improper tire pressure
Malfunctioning shock absorber
Correct
Adjust or replace
Replace
Wandering
Improper front wheel alignment
Poor turning resistance of lower arm ball joint
Loose or worn lower arm bushing
Correct
Repair
Retighten or replace
Vehicle pulls to one side
Improper front wheel alignment
Excessive turning resistance of lower arm ball joint
Broken or worn coil spring
Bent lower arm
Correct
Replace
Replace
Repair
Steering wheel shimmy
Improper front wheel alignment
Poor turning resistance of lower arm ball joint
Broken or worn stabilizer
Worn lower arm bushing
Malfunctioning shock absorber
Broken or worn coil spring
Correct
Replace
Replace
Replace
Replace
Replace
Bottoming
Broken or worn coil spring
Malfunctioning shock absorber
Replace
Replace
Wheel /tire noise, vibration and harshness concerns are directly related to
vehicle speed and are not generally affected by acceleration, coasting or decelerating...
Components and components location
Components
1. Driver Air
Bag (DAB)
2. Steering Wheel
3. Clock Spring
Description and operation
Description
•
Driver Air Bag (DAB)
DAB is installed in the steering wheel, and electrically connected to
the SRSCM via clock spring...
Categories
Opening the tailgate
■ 5 Door, Wagon
■ Fastback
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