NO.10 TCS DOES NOT WORK CORRECTLY

id040300875300

10

TCS does not work correctly.

[TROUBLESHOOTING HINTS]

• There is a difference in size or air pressure between the front and rear tires

• There is a malfunction in the engine control system.

• ABS/TCS HU/CM detects TCS system malfunction

• Incorrect ABS wheel-speed signal is input to ABS/TCS HU/CM

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT TIRE SIZE AND AIR PRESSURE
Inspect tire size and air pressure.
See
Are size and air pressure as specified?
Yes
Go to next step.
No
Replace with specified tires or adjust tire air pressure.
2
INSPECT FOR DTCS IN ABS/TCS HU/CM
Have DTCs been recorded in memory?
Yes
Perform inspection using appropriate DTC.
No
Go to next step.
3
INSPECT FOR DTCS IN PCM
Check the DTC for the PCM ON-BOARD DIAGNOSTIC SYSTEM.
Have DTCs been recorded in memory?
See
Yes
Perform inspection using appropriate DTC.
No
Go to next step.
4
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 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.