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 Battery Sensor and then go to "Verification of Vehicle Repair" procedure.

▶ If problem keep occurs, replace ECM and then go to "Verification of Vehicle Repair" procedure.

▶ Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors ( and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.

▶ Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

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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