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NO.15 ABS OR TCS*1 OPERATES FREQUENTLY/TCS DOES NOT WORK CORRECTLY*1: DSC SYSTEM FUNCTION CONTAINS TRACTION CONTROL FUNCTION, DSC INDICATOR LIGHT GOES ON AND OFF WHILE DSC OPERATES

id040300901300

15 | ABS or TCS (*1) operates frequently./TCS does not work correctly. (*1): DSC system function contains traction control function, DSC indicator light goes on and off while DSC operates.
[TROUBLESHOOTING HINTS] • There is a difference in size or air pressure between the front and rear tires • Incorrect ABS wheel-speed signal is inputted to DSC HU/CM • There is a malfunction in the engine control system (TCS malfunction)

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT FOR DTCS IN DSC HU/CM • Check the DTC for the DSC ON-BOARD DIAGNOSTIC SYSTEM. • Have DTCs been recorded in memory? | Yes | Perform inspection using appropriate DTC.
No | Go to 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 next step.
No | Replace with specified tires and adjust tire air pressure.
3 | INSPECT ABS WHEEL-SPEED SENSOR OUTPUT PULSE • Inspect the output value from the ABS wheel-speed sensor. • Is output value normal? | Yes | Found malfunctioning part according to "INTERMITTENT CONCERN TROUBLESHOOTING".
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.