ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)]
id0402b2805500
On-Board Diagnostic (OBD) Test Description
Read/clear diagnostic results
PID/Data monitor and record
Active command modes
Reading DTCs Procedure
1. Connect the M-MDS to the vehicle DLC-2 connector.
amxzzw00002553
|
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
3. Verify the DTC according to the directions on the screen.
4. After completion of repairs, clear all DTCs stored in the DSC. (See Clearing DTCs Procedures.)
Clearing DTCs Procedures
1. Connect the M-MDS to the vehicle DLC-2 connector.
amxzzw00002553
|
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
3. Verify the DTC according to the directions on the screen.
4. Press the clear button on the DTC screen to clear the DTC.
5. Verify that no DTCs are displayed.
PID/Data Monitor and Record Procedure
1. Connect the M-MDS to the vehicle DLC-2 connector.
amxzzw00002553
|
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
3. Select the applicable PID from the PID table.
4. Verify the PID data according to the directions on the screen.
Active Command Modes Procedure
1. Connect the M-MDS to the vehicle DLC-2 connector.
amxzzw00002553
|
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
3. Select the active command modes from the PID table.
4. Perform the active command modes, inspect the operations for each parts.
DTC Table
DTC |
System malfunction location |
Page |
---|---|---|
M-MDS |
||
B1317
|
Power supply system
|
|
B1318
|
Power supply system
|
|
B1342
|
DSC HU/CM system
|
|
B1484
|
Brake switch system
|
|
B2477
|
DSC HU/CM configuration
|
|
C1093
|
DSC OFF switch system
|
|
C1095
|
Pump motor, motor relay system
|
|
C1096
|
Pump motor, motor relay system
|
|
C1134
|
PCM communication system
|
|
C1141
|
LF ABS sensor rotor system
|
|
C1142
|
RF ABS sensor rotor system
|
|
C1143
|
LR ABS sensor rotor system
|
|
C1144
|
RR ABS sensor rotor system
|
|
C1145
|
RF ABS wheel-speed sensor (open circuit) system
|
|
C1148
|
RF ABS wheel-speed sensor/ABS sensor rotor system
|
|
C1155
|
LF ABS wheel-speed sensor (open circuit) system
|
|
C1158
|
LF ABS wheel-speed sensor/ABS sensor rotor system
|
|
C1165
|
RR ABS wheel-speed sensor (open circuit) system
|
|
C1168
|
RR ABS wheel-speed sensor/ABS sensor rotor system
|
|
C1175
|
LR ABS wheel-speed sensor (open circuit) system
|
|
C1178
|
LR ABS wheel-speed sensor/ABS sensor rotor system
|
|
C1186
|
Valve relay system
|
|
C1194
|
LF outlet solenoid valve system
|
|
C1198
|
LF inlet solenoid valve system
|
|
C1210
|
RF outlet solenoid valve system
|
|
C1214
|
RF inlet solenoid valve system
|
|
C1222
|
ABS wheel-speed sensor (slip monitor) system
|
|
C1233
|
LF ABS wheel-speed sensor (short to ground) system
|
|
C1234
|
RF ABS wheel-speed sensor (short to ground) system
|
|
C1235
|
RR ABS wheel-speed sensor (short to ground) system
|
|
C1236
|
LR ABS wheel-speed sensor (short to ground) system
|
|
C1242
|
LR outlet solenoid valve system
|
|
C1246
|
RR outlet solenoid valve system
|
|
C1250
|
LR inlet solenoid valve system
|
|
C1254
|
RR inlet solenoid valve system
|
|
C1266
|
Valve relay system
|
|
C1279
|
Combined sensor system
|
|
C1280
|
Combined sensor system
|
|
C1281
|
Combined sensor system
|
|
C1282
|
Combined sensor system
|
|
C1288
|
Brake fluid pressure sensor system
|
|
C1290
|
Brake fluid pressure sensor system
|
|
C1295
|
Steering angle sensor system
|
|
C1306
|
Steering angle sensor (abnormal initialization) system
|
|
C1307
|
Steering angle sensor system
|
|
C1400
|
RF traction control solenoid valve system
|
|
C1410
|
LF traction control solenoid valve system
|
|
C1730
|
DSC HU/CM system
|
|
C1805
|
Incorrect DSC HU/CM installed
|
|
C1937
|
Steering angle sensor system
|
|
C1938
|
Steering angle sensor system
|
|
C1951
|
Combined sensor system
|
|
C1952
|
Combined sensor system
|
|
C1953
|
Brake fluid pressure sensor system
|
|
C1954
|
Brake switch system
|
|
C1956
|
Steering angle sensor system
|
|
C1957
|
RF DSC switch solenoid valve system
|
|
C1958
|
LF DSC switch solenoid valve system
|
|
C1959
|
Combined sensor system
|
|
C1994
|
DSC control system
|
|
C2768
|
Combined sensor system
|
|
U0073
|
CAN system communication error
|
|
U0100
|
Communication error to PCM
|
|
U0155
|
Communication error to instrument cluster
|
|
U1900
|
Communication error to other module
|
|
U2023
|
Abnormal message from PCM
|
PID/DATA Monitor Table
PID name (definition) |
Unit/Condition |
Operation condition (reference) |
Action |
DSC HU/CM terminal |
---|---|---|---|---|
ABS_VOLT
(System battery voltage value)
|
V
|
• Ignition switch at ON: Approx. 12.2 V
• Idling: Approx. 14.1 V
|
Inspect power supply circuit.
(See DSC SYSTEM INSPECTION.)
|
J
|
ABSLF_I
(Left front inlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSLF_O
(Left front outlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSLR_I
(Left rear inlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSLR_O
(Left rear outlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSPMPRLY
(Motor relay output state)
|
On/Off
|
• Relay activated: On
• Relay not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSRF_I
(Right front inlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSRF_O
(Right front outlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSRR_I
(Right rear inlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSRR_O
(Right rear outlet solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
ABSVLVRLY
(Fail-safe relay output state)
|
On/Off
|
• Fail-safe relay is
activated: On
• Fail-safe relay is deactivated: Off
|
Inspect DSC HU/CM.
(See DSC HU/CM INSPECTION)
|
—
|
BOO_ABS
(Brake pedal switch input)
|
On/Off
|
• Brake pedal depressed: On
• Brake pedal released: Off
|
Inspect the brake switch.
|
N
|
CCNTABS
(Number of continuous codes)
|
—
|
• DTCs detected: 1—255
• No DTCs detected: 0
|
Perform the DTC inspection.
|
—
|
LAT_ACCL
|
G
|
• Vehicle stopped or driving at constant speed: 0 G
• Cornering to right: Changes 0 G—positive
• Cornering to left: Changes 0 G—negative
|
Inspect the combined sensor.
|
AI
|
LF_WSPD
(Left front ABS wheel-speed sensor input)
|
KPH, MPH
|
• Vehicle stopped: 0 KPH, 0 MPH
• Vehicle running: vehicle speed
|
Inspect the ABS wheel-speed sensor.
|
F, E
|
LR_WSPD
(Left rear ABS wheel-speed sensor input)
|
KPH, MPH
|
• Vehicle stopped: 0 KPH, 0 MPH
• Vehicle running: Vehicle speed
|
Inspect the ABS wheel-speed sensor.
|
G, H
|
MCYLI P
|
Pa, psi
|
• Brake pedal depressed: Changes according to the brake fluid pressure
|
Inspect the brake fluid pressure sensor.
|
—
|
PMP_MOTOR
(Pump motor output state)
|
On/Off
|
• Pump motor activated: On
• Pump motor not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
RF_WSPD
(Right front ABS wheel-speed sensor input)
|
KPH, MPH
|
• Vehicle stopped: 0 KPH, 0 MPH
• Vehicle running: vehicle speed
|
Inspect the ABS wheel-speed sensor.
|
M, O
|
RPM
(Engine speed signal input)
|
RPM
|
• Engine stopped: 0 RPM
• Engine speed at 3,000 rpm: 3,000 RPM
|
Inspect the PCM.
Inspect the instrument cluster.
|
—
|
RR_WSPD
(Right rear ABS wheel-speed sensor input)
|
KPH, MPH
|
• Vehicle stopped: 0 KPH, 0 MPH
• Vehicle running: Vehicle speed
|
Inspect the ABS wheel-speed sensor.
|
I, L
|
SWA_POS
|
°
|
• Steering wheel in neutral position (not turned): 0°
• Steering wheel turned to left: Changes 0°—negative
• Steering wheel turned to right: Changes 0°—positive
|
Inspect the steering angle sensor.
|
—
|
TPI
|
%
|
• Closed throttle position: 0%
• Wide open throttle: Changes according to throttle valve opening angle
|
Inspect the throttle position sensor.
|
—
|
V_STB_L
(LF stability control solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
V_STB_R
(RF stability control solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
V_TRC_L
(LF traction control solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
V_TRC_R
(RF traction control solenoid valve output state)
|
On/Off
|
• Solenoid valve activated: On
• Solenoid valve not activated: Off
|
Inspect the DSC HU/CM.
(See DSC HU/CM INSPECTION.)
|
—
|
YAW_RATE
|
°/s
|
• Vehicle stopped or driving straight: 0 °/s
• Cornering to left: Changes 0 °/s—negative
• Cornering to right: Changes 0 °/s—positive
|
Inspect the combined sensor.
|
AA
|
Active Command Modes Table
Command name |
Output part |
Operation |
Operating condition |
---|---|---|---|
LATACCEL
|
Combined sensor (lateral acceleration) initialization
|
FALSE/TRUE
|
Ignition switch at ON
|
LF_INLET
|
LF inlet solenoid valve
|
On/Off
|
|
LF_OUTLET
|
LF outlet solenoid valve
|
||
LR_INLET
|
LR inlet solenoid valve
|
||
LR_OUTLET
|
LR outlet solenoid valve
|
||
PMP_MOTOR
|
Pump motor
|
||
RF_INLET
|
RF inlet solenoid valve
|
||
RF_OUTLET
|
RF outlet solenoid valve
|
||
RR_INLET
|
RR inlet solenoid valve
|
||
RR_OUTLET
|
RR outlet solenoid valve
|
||
SAS_CAL
|
Steering angle sensor initialization
|
FALSE/TRUE
|
|
STAB_IND
|
DSC indicator light
|
On/Off
|
|
TRAC OFF
|
DSC OFF light
|
||
V_STB_L
|
LF stability control solenoid valve
|
||
V_STB_R
|
RF stability control solenoid valve
|
||
V_TRC_L
|
LF traction control solenoid valve
|
||
V_TRC_R
|
RF traction control solenoid valve
|
||
YAWRATE
|
Combined sensor (yaw rate) initialization
|