DSC Control Inspection

Set up an active command mode inspection according to the combination of commands below. (See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)] .)

CAUTION:

When operating the solenoid valve and pump motor using the active command mode, make sure to keep the operation time within 2 s to prevent damaging the DSC HU/CM.

DSC CONTROL INSPECTION CHART

Command name	Inspected wheels
	Oversteer control disabled		Understeer control disabled
	LF	RF	LR	RR
PMP_MTR	ON
V_LF_INL	Off	Off	Off	On
V_LF_OTL		Off		Off
V_LR_INL		On
V_LR_OTL		Off
V_RF_INL			On
V_RF_OTL			Off
V_RR_INL	On
V_RR_OTL	Off
V_STB_L	On	Off		On
V_STB_R	Off	On		Off
V_TRC_L	On
V_TRC_R	On

Send the command while rotating the wheel being inspected by hand in a forward direction.
Confirm that the wheel does not rotate easily while a DSC HU/CM operation click sound is heard.
- Performing the inspection above determines the following:
  - The DSC HU/CM brake lines are normal.
  - The DSC HU/CM hydraulic system has no significant malfunction (including DSC HU/CM).
  - The DSC HU/CM internal electrical parts (solenoid, motor and other parts) are normal.
  - The DSC unit and DSC HU/CM output system wiring harnesses (solenoid valve, relay system) are normal.
- However, the following items cannot be verified.
  - Intermittent malfunction of the above items
  - Malfunction of DSC HU/CM input system wiring harnesses and parts
  - Extremely small leakage in the DSC HU/CM internal hydraulic system