Hyundai Kona: Engine Control System / Engine Control Module (ECM) Repair procedures
| • |
When replacing the ECM, the vehicle equipped with the immobilizer
must be performed procedure as below.
|
[In the case of installing used ECM]
| 1) |
Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "Immobilizer System")
|
| 2) |
After finishing "ECM Neutral mode", perform "Key teaching" procedure
with GDS.
(Refer to Body Electrical System - "Immobilizer System")
|
[In the case of installing new ECM]
| – |
Perform "Key teaching" procedure with GDS.
(Refer to Body Electrical System - "Immobilizer System")
|
|
| • |
When replacing the ECM, the vehicle equipped with the smart
key system (Button start) must be performed procedure as below.
|
[In the case of installing used ECM]
| 1) |
Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "Smart Key")
|
| 2) |
After finishing "ECM Neutral mode", insert the key (or press
the start button) and turn it to the IGN ON and OFF position.
Then the ECM learns the smart key information automatically.
|
[In the case of installing new ECM]
| – |
Insert the key (or press the start button) and turn it to the
IGN ON and OFF position. Then the ECM learns the smart key information
automatically.
|
|
| 1. |
Turn ignition switch OFF and disconnect the negative (-) battery cable.
|
| 2. |
Remove the battery.
(Refer to Engine Electrical System - "Battery")
|
| 3. |
Disconnect the ECM Connector (A).
|
| 4. |
Remove the ECM bracket (B) after loosening the mounting bolts (A).
|
| 5. |
Remove the ECM (B) after loosening the mounting nuts (A) from the bracket.
|
| • |
When replacing the ECM, the vehicle equipped with the immobilizer
must be performed procedure as below.
|
[In the case of installing used ECM]
| 1) |
Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "Immobilizer System")
|
| 2) |
After finishing "ECM Neutral mode", perform "Key teaching" procedure
with GDS.
(Refer to Body Electrical System - "Immobilizer System")
|
[In the case of installing new ECM]
| – |
Perform "Key teaching" procedure with GDS.
(Refer to Body Electrical System - "Immobilizer System")
|
|
| • |
When replacing the ECM, the vehicle equipped with the smart
key system (Button start) must be performed procedure as below.
|
[In the case of installing used ECM]
| 1) |
Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "Smart Key")
|
| 2) |
After finishing "ECM Neutral mode", insert the key (or press
the start button) and turn it to the IGN ON and OFF position.
Then the ECM learns the smart key information automatically.
|
[In the case of installing new ECM]
| – |
Insert the key (or press the start button) and turn it to the
IGN ON and OFF position. Then the ECM learns the smart key information
automatically.
|
|
| 1. |
Installation is reverse of removal.
|
ECM installation bolt :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
ECM bracket installation bolt/nut :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
|
|
| ECM Problem Inspection Procedure |
| 1. |
TEST ECM GROUND CIRCUIT : Measure resistance between ECM and chassis
ground using the backside of ECM harness connector as ECM side check
point. If the problem is found, repair it.
|
| 2. |
TEST ECM CONNECTOR : Disconnect the ECM connector and visually check
the ground terminals on ECM side and harness side for bent pins or poor
contact pressure. If the problem is found, repair it.
|
| 3. |
If problem is not found in Step 1 and 2, the ECM could be faulty. If
so, make sure there were no DTC's before swapping the ECM with a new
one, and then check the vehicle again. If DTC's were found, examine
this first before swapping ECM.
|
| 4. |
RE-TEST THE ORIGINAL ECM : Install the original ECM (may be broken)
into a known-good vehicle and check the vehicle. If the problem occurs
again, replace the original ECM with a new one. If problem does not
occur, this is intermittent problem (Refer to “Intermittent Problem
Inspection Procedure” in Basic Inspection Procedure).
|
VIN Programming Procedure
VIN (Vehicle Identification Number) is a number that has the vehicle's information
(Maker, Vehicle Type, Vehicle Line/Series, Body Type, Engine Type, Transmission
Type, Model Year, Plant Location and so forth. For more information, please
refer to the group "GI" in this SERVICE MANUAL). When replacing an ECM, the
VIN must be programmed in the ECM. If there is no VIN in ECM memory, the fault
code (DTC P0630) is set.
| • |
The programmed VIN cannot be changed. When writing the VIN,
confirm the VIN carefully.
|
|
| 1. |
Select "VIN Writing" function in "Vehicle S/W Management".
|
| 2. |
Select "Write VIN" in "ID Register".
|
| 3. |
Input the VIN.
| •
|
The programmed VIN cannot be changed. When writing the
VIN, confirm the VIN carefully.
|
|
|
| 4. |
Turn the ignition switch OFF, then back ON.
|
ECM Terminal and Input/Output
signal
ECM Terminal Function
Connector [A]
Pin No
Description
Connected to
1
...
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WARNING
Do not adjust the clock while driving.You may lose your steering control and
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Engine Control Module (ECM) Schematic diagrams
ETC (Electronic Throttle Control) System Description and operation