Diagnostic procedure

DIAGNOSTIC PROCEDURE CHART

STEP	INSPECTION		ACTION
1	VERIFY DSC, PCM, AND AWD SYSTEM DTCs Verify DSC, PCM, and AWD system DTCs using WDS or equivalent. Are there any DTCs present?	Yes	Go to applicable DTC inspection.
1		No	Go to next step.
2	VERIFY TIRE AIR PRESSURE Inspect tire air pressure. Is it within specification?	Yes	Go to next step.
2		No	Adjust tire air pressure, then go to next step.
3	COMPARE WITH SAME MODEL TIRES Install tires of the same model. Perform simulation driving. Does malfunction recur?	Yes	Go to next step.
3		No	AWD system is okay.
4	COMPARE WITH SAME MODEL VEHICLE Install tires of malfunctioning vehicle to another same model vehicle. Perform simulation driving. Does malfunction recur?	Yes	AWD system is okay.
4		No	Go to next step.
5	INSPECT AWD SOLENOID Inspect AWD solenoid. (See AWD SOLENOID INSPECTION ) Is coupling component solenoid okay?	Yes	Inspect harness between AWD solenoid and AWD CM, then go to next step.
5		No	Replace coupling component. (See COUPLING COMPONENT REMOVAL/INSTALLATION ).
6	INSPECT WHEEL ALIGNMENT Inspect wheel alignment. Is it okay?	Yes	Replace coupling component. (See COUPLING COMPONENT REMOVAL/INSTALLATION ).
6		No	Inspect wheel alignment, and adjust it if necessary.