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1.

Using a scantool, Clear DTC.

2.

Let LDWS system turn OFF, and then turn it ON, again.

3.

Using a scantool, Check DTC present.

4.

Are any DTCs present ?

▶ Substitute with a known-good LDWS unit and check for proper operation.

If problem is corrected, replace LDWS unit and then go to "Verification of Vehicle Repair" procedure.

※ In a case of replacing LDWS unit, operate LDWS Reference Point Calibration by GDS.

▶ Fault is intermittent caused by poor connection in power harness and/or LDWS unit's connector or was repaired and LDWS ECU memory was not cleared.

Go to "Verification of Vehicle Repair" procedure.