Diagnostic procedure

DSC SYSTEM FUNCTION CONTAINS TRACTION CONTROL FUNCTION DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	CONFIRM DSC HU/CM AND/OR PCM DTC Retrieve the DSC HU/CM DTC using the M-MDS. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) Retrieve PCM DTC using the M-MDS, if the traction control function has problem. (See ON-BOARD DIAGNOSTIC TEST [MZR 2.5] .) (See ON-BOARD DIAGNOSTIC TEST [MZI 3.7 V6] .) Is there any DTC retrieved?	Yes	Go to the applicable DTC troubleshooting procedure. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .) (See DTC TABLE [MZR 2.5] .) (See DTC TABLE [MZI 3.7 V6] .)
1		No	Go to the next step.
2	INSPECT TIRE SIZE AND AIR PRESSURE Inspect tire size and air pressure. Are size and air pressure as specified?	Yes	Go to the next step.
2		No	Replace with specified tires and adjust tire air pressure.
*3	INSPECT ABS WHEEL-SPEED SENSOR OUTPUT PULSE Perform the Voltage Pattern Inspection for each ABS wheel-speed sensor. (See FRONT ABS WHEEL-SPEED SENSOR INSPECTION .) (See REAR ABS WHEEL-SPEED SENSOR INSPECTION .) Is the output voltage pattern normal?	Yes	Found malfunctioning part according to "INTERMITTENT CONCERN TROUBLESHOOTING".
*3		No	ABS wheel-speed sensor installation inspection: Inspect the ABS wheel-speed sensor for looseness and confirm it is securely adhered. ABS sensor rotor installation inspection: Inspect the ABS sensor rotor for poor installation.

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.