Connect GDS to Data Link Connector(DLC).

Ignition "ON"

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

Fig.1) Diagnostic Trouble Code(DTC) is shown as above

Is DTC status displayed as Present?

	▶ Go to "Monitor GDS Data" procedure.
	▶ Go to "Verification of Vehicle Repair" procedure.

IG "ON" & ENG "OFF"

Select "Current data" and "Actuation Test" mode.

Monitor "Tail Lamp Relay" in the "Current Data" and Perfom "Tail Lamp Relay" in the "Actuation Test" with GDS.

Fig.1) "Tail Lamp Relay" parameter shows "ON" when the External Tail Lamp operates properly on Actuation test of "Tail Lamp Relay"

Fig.2) When the External Tail Lamp operates on performing Actuation Test of "Tail Lamp Relay"

Is the External Tail Lamp LH operating properly?

	▶ Go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Terminal and Connector Inspection" procedure.