ODDTC Self Test

Connect the M-MDS to the DLC-2.
After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
1. Select "Self Test".
2. Select "Modules".
3. Select "ABS".
Verify the DTC according to the directions on the screen.
- If any DTCs are displayed, perform troubleshooting according to the corresponding DTC inspection. (See DTC TABLE [DSC HU/CM] ).
After completion of repairs, clear all DTCs stored in the module. (See CLEARING DTC [DSC HU/CM] ).
NOTE:
- The DSC HU/CM stores the following two types of information when a DTC is detected and displays snapshot data in the M-MDS
  - Vehicle information detected by DSC HU/CM
  - Vehicle information detected by instrument cluster and received via CAN communication
- Refer to PID monitor table for confirm the DSC system operation status while the DSC HU/CM does not store the DTC. (See PID/DATA MONITOR TABLE [DSC HU/CM] ).
- Snapshot data items are not displayed, according to detected DTC.
Snapshot data table

- : Not applicable

SNAPSHOT DATA DESCRIPTION

Snapshot data item

Unit

Data contents

Data read/use method

Corresponding data monitor items

AAT

°C, °F

Ambient air temperature

ABS

Inactive/
Active

Antilock braking system

APP_STATUS

Accelerator Pedal
Off/
Under 20%/
Over 20%/
FAIL

Accelerator pedal position

AYC

Inactive/
Active

Active yaw control

BRK_F_P_R

kPa, psi

Brake fluid line hydraulic pressure (Raw Value)

BRK_F_P_R

BTCS

Inactive/
Active

Brake traction control system

CFG_STATUS

Config Complete/
Not Configured/
Config Error

Instrument cluster configuration status

ECT_STATUS

Under 0 degrees C/
0 - Under 80
degrees C/
Over 80 degrees C/
FAIL

Engine coolant temperature status

EDC #1

Inactive/
Active

Engine drag control

IC_VPWR

Instrument cluster power supply

The DSC HU/CM constantly receives the power supply voltage value of the instrument cluster sent via CAN signal from the instrument cluster.
If a DTC is detected, the DSC HU/CM records the power supply voltage of the instrument cluster when the DTC was detected, and it is displayed in the MMDS.

VPWR ⁽²⁾

IG-ON_TIMER

hh:mm:ss ⁽¹⁾

Elapsed time since ignition was switched ON

NOTE:

The instrument cluster records the elapsed time since the ignition was switched ON.

The DSC HU/CM constantly receives the elapsed time since the ignition was switched ON sent via CAN signal from the instrument cluster.
If a DTC is detected, the DSC HU/CM records the elapsed time since the ignition was switched ON when the DTC was detected, and it is displayed in the MMDS.

LAT_ACCL_R

Lateral acceleration (Raw Value)

LAT_ACCL_R

LON_ACCL_R

Longitudinal acceleration (Raw Value)

LON_ACCL_R

PMP_MT

Off/On

Pump motor

PWR_MODE_KEY

Key Out/
Key Recently Out/
Key
Approved(Position 0)/
Post Accessory
(Position 0)/
Accessory (Position 1)/
Post Ignition
(Position 1)/
Ignition On
(Position 2)/
Running (Position 2)/
Running - Starting
In Progress
(Position 2)/
Crank (Position 3)

Key Out: Ignition switched off
Key Recently Out (Position 0): Elapsed time within 3 s since ignition was switched to off
Accessory (Position 1): Ignition is switched to ACC
Post Ignition (Position 2): Elapsed time within 3 s since ignition was switched ON
Ignition On (Position 2): Ignition switched ON (engine off)
Running (Position 2): Ignition switched ON (engine on)
Running - Starting: Cranking condition

The DSC HU/CM constantly receives the ignition switch status sent via CAN signal from the instrument cluster.
If a DTC is detected, the DSC HU/CM records the ignition switch status when the DTC was detected, and it is displayed in the M-MDS.

RPM_STATUS

Engine Stop/
Under 1500rpm/
Over 1500rpm/
FAIL

Engine RPM status

The DSC HU/CM constantly receives the ignition switch status sent via CAN signal from the instrument cluster.
If a DTC is detected, the DSC HU/CM records the ignition switch status when the DTC was detected, and it is displayed in the M-MDS.

TACHOMTR ⁽²⁾

SHIFT_STATUS

P/N
D/
R/
FAIL

Shift position status

The DSC HU/CM constantly receives the selector lever position sent via CAN signal from the instrument cluster.
If a DTC is detected, the DSC HU/CM records the selector lever position when the DTC was detected, and it is displayed in the M-MDS.

STR_ANG_C

Steering wheel angle (Calculated Value)

STR_ANG_C

TCS

Inactive/
Active

Traction control system

TOTAL_DIST

km, ft, mi

Accumulated total traveled distance from completion of vehicle until DSC HU/CM detects DTC (Odometer value in instrument cluster)

The distance traveled when the DSC HU/CM detected a DTC can be calculated by performing the following procedure.

Verify the odometer value in the instrument cluster.
Verify the snap shot data item TOTAL_DIST.
Subtract 2 from 1.

TOTAL_TIME

hh:mm:ss⁽¹⁾

Accumulated total elapsed time since vehicle completion until DSC HU/CM detects a DTC

NOTE:

When the ROOM fuse is removed, and the ignition is switched off, the time is not included in the elapsed time.

The elapsed time when the DSC HU/CM detected a DTC can be calculated by performing the following procedure.

Verify the PID item TOTAL_TIME of the instrument cluster.
Verify the snap shot data item TOTAL_TIME.
Subtract 2 from 1.

VPWR

Power supply

VPWR

VSPD

KPH, MPH

Vehicle speed

VSPD

VSPD_STATUS

Stop/
0 - 10km/h/
Over 10km/h/
FAIL

When a DTC is detected, the DSC HU/CM receives the vehicle speed being detected by the instrument cluster via CAN signals and displays it in the M-MDS.

The DSC HU/CM constantly receives the vehicle speed sent via CAN signal from the instrument cluster.
If a DTC is detected, the DSC HU/CM records the vehicle speed when the DTC was detected, and it is displayed in the MMDS.

SPEEDOMTR ⁽²⁾

YAW_RATE_R

°/S

Yaw Rate (Raw Value)

YAW_RATE_R

⁽¹⁾	The seconds may be indicated after the decimal point.

⁽²⁾	Instrument cluster PID (See PID/DATA MONITOR TABLE [INSTRUMENT CLUSTER] ).