Diagnostic procedure

NO. 5 ABS OR TCS*1 OPERATES FREQUENTLY/TCS DOES NOT WORK CORRECTLY *1: DSC SYSTEM FUNCTION CONTAINS TRACTION CONTROL FUNCTION (DYNAMIC STABILITY CONTROL) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	CONFIRM DSC HU/CM AND PCM DTC Retrieve the DSC HU/CM DTC using the M-MDS. (See DTC INSPECTION [DSC HU/CM] .) Retrieve the PCM DTC using the M-MDS, if the traction control function has problem. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.5 (VIN M))] .) (See ON-BOARD DIAGNOSTIC TEST [PCM (VIN Y)] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [DSC HU/CM] .) (See DTC TABLE [PCM (SKYACTIV-G 2.5 (VIN M))] .) (See DTC TABLE [PCM (VIN Y)] .)
1		No	Go to the next step.
2	INSPECT TIRE SIZE AND AIR PRESSURE Inspect tire size and air pressure. (See WHEEL AND TIRE SPECIFICATION .) Are the tire size and air pressure as specified?	Yes	Go to the next step.
2		No	Replace with specified tires and adjust tire air pressure. (See WHEEL AND TIRE REMOVAL/INSTALLATION .) (See TIRE PRESSURE ADJUSTMENT .)
*3	INSPECT ABS WHEEL-SPEED SENSOR OUTPUT PULSE Perform the Sensor Output Value Inspection for each ABS wheel-speed sensor. (See FRONT ABS WHEEL-SPEED SENSOR INSPECTION .) (See REAR ABS WHEEL-SPEED SENSOR INSPECTION [AWD] .) Is the output value normal?	Yes	Found malfunctioning part according to the "INTERMITTENT CONCERN TROUBLESHOOTING". (See PRECAUTION .)
*3		No	Repair or replace any malfunctioning parts according to the inspection result. (See FRONT ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION .) (See REAR ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION [AWD] .)

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and undamaged.