Diagnostic Procedure

Step	Inspection		Action
1	PERFORM INSTRUMENT CLUSTER DTC INSPECTION Perform the instrument cluster DTC inspection using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [INSTRUMENT CLUSTER] .)
1		No	Go to the next step.
2	PERFORM CLIMATE CONTROL UNIT DTC INSPECTION Clear the DTC from the climate control unit memory using the M-MDS. (See CLEARING DTC [FULL-AUTO AIR CONDITIONER] .) Perform the climate control unit DTC inspection using the M-MDS. (See DTC DISPLAY [FULL-AUTO AIR CONDITIONER] .) Is the same DTC present?	Yes	Replace the instrument cluster, then go to the next step. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
2		No	Go to the next step.
3	VERIFY TROUBLESHOOTING COMPLETED Clear the DTC from the climate control unit memory using the M-MDS. (See CLEARING DTC [FULL-AUTO AIR CONDITIONER] .) Perform the climate control unit DTC inspection using the M-MDS. (See DTC DISPLAY [FULL-AUTO AIR CONDITIONER] .) Is the same DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction does not recur, go to the next step. If the malfunction recurs, replace the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER] .) Go to the next step.
3		No	Go to the next step.
4	VERIFY THAT NO OTHER DTCs ARE PRESENT Verify other DTCs displayed. Are any other DTCs output?	Yes	Perform the corresponding DTC inspection.
4		No	DTC troubleshooting completed.