Component Inspection
1.

Ignition switch "OFF"

2.

Connect GDS to Data Link Connector (DLC).

3.

Ignition switch "ON"

4.

Monitor "Diagnostic Trouble Codes(DTC)" with GDS.

5.

Clear any DTCs stored in the system with GDS.

6.

Re-check DTC in the system with GDS.

7.

Did the same DTC is stored in the system?

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the ECM and go to "Verification of Vehicle Repair" procedure.

▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure.

caution
•

After replacing the ECM, the injector specific data (7 digit) of each cylinder MUST be input into ECM with the GDS

•

In the case the vehicle is equipped with immobilizer or smart key, perform "KEY TEACHING" procedure together (Refer to "Immobilizer" or "Smart key system" in BE group)

Vehicle S/W Management
■ In case of ECM is replaced, perform follwoing procedures;
1.

Ignition Switch "OFF"

2.

Connect GDS to Data Link Connector(DLC).

3.

Ignition Switch "ON" & Engine "OFF"

4.

Perform "Essential Work After Component Replacement" in "Vehicle S/W Management" with GDS.

5.

Select "ECU Change"

Fig.1) Vehicle S/W Management list of U2 engine

Fig.2) "Essential Work After Component Replacement"

Fig.3) ECU Change

Fig.4) ECU Change confirmation message

Fig.5) Complete

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