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1.

Ignition "ON" & Engine "OFF".

2.

Connect GDS and select "Diagnostic Trouble Codes(DTCs)" mode.

3.

Using a scantool, Clear DTC.

4.

IG OFF ↔ IG ON (Repeat 2~3times), and then Monitor the "DTC"

5.

Is DTC Re-displayed ?

	▶ Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and then Go to "Verification of Vehicle Repair" procedure.
	▶ Fault is intermittent caused by poor contact in the sensor's and/or TCM(PCM)'s connector or was repaired and TCM(PCM) memory was not cleared.And Go to Component Inspection procedure.