Hyundai Sonata: Description and Operation
Description of ESC
1. |
Install a PCM(ECM & TCM)/ESC normally.
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2. |
Connect the GDS to the data link connector located underneath
the crash pad.
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3. |
Select vehicle name.
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4. |
Select ANTI-LOCK BRAKE SYSTEM.
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5. |
Select the variant coding.
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6. |
Ignition "ON" & Engine "OFF".
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7. |
Perform variant coding.
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8. |
Ignition "OFF" and then ignition "ON".
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9. |
The variant coding is completed.
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ESC Operation Mode
1. |
STEP 1
The ESC analyzes the intention of the driver.
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2. |
STEP 2
It analyzes the movement of the ESC vehicle.
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3. |
STEP 3
The HECU calculates the required strategy, then actuates the appropriate
valves and sents torque control requests via CAN to maintain vehicle
stability.
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1. |
ESC Non-operation-Normal braking.
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2. |
ESC Increase Mode
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3. |
ESC Hold Mode ( FR is only controlled.)
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4. |
ESC Decrease Mode (FR is only controlled)
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- |
During the initialization phase after IGN ON. (continuously 3
seconds).
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In the event of inhibition of ABS functions by failure.
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During diagnostic mode.
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When the ECU Connector is separated from ECU.
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During the initialization phase after IGN ON. (continuously 3
seconds).
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When the Parking Brake Switch is ON or brake fluid level is low.
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When the EBD function is out of order .
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During diagnostic mode.
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When the ECU Connector is separated from ECU.
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Vacuum pump failure. (2.0 T_GDI Engine only)
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Vacuum pump CAN communication failure. (2.0 T_GDI Engine only)
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During the initialization phase after IGN ON. (continuously 3
seconds).
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In the event of inhibition of ESC functions by failure.
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During dignostic mode.
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When the ECU connector is separated from ECU.
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When the ESC control is operting. (Blinking - 2Hz)
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During the initialization phase after IGN ON. (continuously 3
seconds).
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When driver turn off the ESC function by on/off switch.
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Components and Components Location
Components
1. ESC Control Module (HECU)
2. Front Wheel Speed Sensor
3. Rear Wheel Speed Sensor
4. Steering Wheel Angle Sensor
5. Yaw-late & Lateral G SEnsor
...
Schematic Diagrams
Circuit Diagram - ESC (1)
Circuit Diagram - ESC (2)
Circuit Diagram - ESC (3)
ESC HECU Connector input/output
Connector Terminal
Specifications
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See also:
Radiator. Repair procedures
Removal and Installation
1.
Disconnect the battery terminals.
(Refer to Engine and transaxle assembly in this group)
2.
Remove the air ...
Front Fog Lamps. Repair procedures
Inspection
1.
Disconnect the negative(-) battery terminal.
2.
Remove the lighting switch of the multi-function switch. (Refer
to the multi ...
Front Driveshaft. Components and Components Location
Component location
1. Driveshaft(LH)
2. Circlip
3. Transaxle
3. Circlip
4. Driveshaft(RH)
1. Driveshaft (LH)
2. Circlip
...