NO.11 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 OUT WHILE DSC OPERATES


id040300802500

11

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 out 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 input 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
• Have DTCs been stored in memory?
Yes
Perform the applicable DTC inspection.
(See DTC Table.)
No
Go to the next step.
2
INSPECT TIRE SIZE AND AIR PRESSURE
• Inspect the tire size and air pressure.
• Are the size and air pressure as specified?
Yes
Go to the next step.
No
Replace with the specified tires and adjust tire air pressure.
3
INSPECT ABS WHEEL-SPEED SENSOR OUTPUT VALUE
• Inspect the output value from the ABS wheel-speed sensor.
• Is the 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.