NO.10 THERE IS A MALFUNCTION IN SYSTEM EVEN THOUGH ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, TCS INDICATOR LIGHT AND TCS OFF LIGHT INDICATE THAT THE SYSTEM IS NORMAL.

BME040367650W10

10

There is a malfunction in system even though ABS warning light, BRAKE system warning light, TCS indicator light and TCS OFF light indicate that the system is normal.

[TROUBLESHOOTING HINTS]

• There is mechanical malfunction in system.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
CHECK FOR DTCs IN ABS/TCS HU/CM
• Have DTCs been recorded in memory?
Yes
Perform inspection using appropriate DTC.
No
Go to next step.
2
INSPECT ABS HYDRAULIC UNIT
• Perform "ABS hydraulic unit system inspection".
• Is system okay?
Yes
Inspect conventional brake system.
No

If wheels do not rotate:

Replace ABS/TCS HU/CM.

If wheels rotate but order in which wheels rotate is incorrect:

Inspect; brake pipe passage to ABS/TCS HU/CM.