How to Troubleshoot the VSA System
System Indicator
This system has four indicators:
  • ABS indicator (A)
  • Brake system indicator (B)
  • VSA indicator (C)
  • VSA activation indicator (D)
When the system detects a problem, it will turn the appropriate indicators on. Depending on the failure, the VSA modulator-control unit determines which indicators are turned on.
When the system is OK, each indicator comes on for about 2 seconds after turning the ignition switch ON (II), then goes off.

ABS indicator

The ABS indicator comes on when the ABS function is lost. The brakes still work like a conventional system.

Brake system indicator

The brake system indicator comes on when the EBD function is lost, the parking brake is applied, and/or the brake fluid level is low.

VSA indicator

VSA indicator comes on, when VSA function is lost.

VSA activation indicator

VSA activation indicator blinks, when VSA function is activating. VSA activation indicator comes on, when VSA is off, or VSA function is lost.

ABS and VSA indicators go off

Each indicator will go off after a problem goes away, but the timing which the VSA modulator-control unit turns off the indicators varies between DTCs.
  • DTC 61, 62, or 85:
    The indicators go off automatically when the system returns to normal.
  • DTC 11, 13, 15, 17, 21 * , 22, 25, 26, 27, 31, 32, 33, 34, 35, 36, 37, 38, 45, 46, 47, 48, 54, 65, 66, 67, 68, 72, 73, 74, 75, 76, 81, 91, 92, 97 ** , or 98:
    The indicators stay on until the ignition switch is turned OFF whether or not the system returns to normal.
    *: There are some cases that the indicators stay on until the vehicle is driven after the system returns to normal.
    **: There are some cases that the indicators go off automatically when the system returns to normal.
  • DTC 12, 14, 16, 18, 51, 52, or 53:
    The indicators stay on until the vehicle is driven after the system returns to normal.