VDC(diag)-18
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Subaru Select Monitor
NOTE:
For details concerning operation procedure, refer
to “SUBARU SELECT MONITOR OPERATION
MANUAL”.
3. CLEAR MEMORY MODE
1) On the «Main Menu» display screen, select the
{Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display
screen, select the {Brake Control} and press the
[YES] key.
3) Press the [YES] key after {VDC 4WD AT} is dis-
played.
4) On the «Brake Control Diagnosis» display
screen, select the {Memory Clear} and press the
[YES] key.
5) When “Done” and “Turn ignition switch OFF” are
shown on the display screen, turn the Subaru Se-
lect Monitor and ignition switch to OFF.
NOTE:
For details concerning operation procedure, refer
to “SUBARU SELECT MONITOR OPERATION
MANUAL”.
4. ABS SEQUENCE CONTROL
5. FREEZE FRAME DATA
NOTE:
• Data stored at the time of trouble occurrence is
shown on display.
• Each time trouble occurs, the latest information
is stored in the freeze frame data in memory.
• If a freeze frame data is not properly stored in
memory (due to a drop in VDC control module pow-
er supply, etc.), the DTC which is suffixed with a
question mark “?” appears on the Subaru Select
Monitor display. This shows it may be an unreliable
reading.
Display
Contents to be monitored
Clear memory?
DTC deleting function
Display
Contents to be monitored
Reference tar-
get
ABS
sequence
control
Operate the valve and
pump motor continuously
to perform the ABS
sequence control.
<Ref. to ABS-
10, ABS
Sequence Con-
trol.>
VDC confir-
mation
mode
Operate the valve and
pump motor continuously
to perform the VDC
sequence control.
<Ref. to VDC-
11, VDC
Sequence Con-
trol.>
Display
Contents to be monitored
Steering angle
sensor
Steering angle detected by steering
angle sensor is displayed.
Yaw rate sensor
Vehicle angular speed detected by yaw
rate sensor is displayed.
Lateral G sensor
Vehicle lateral acceleration detected by
lateral G sensor is displayed.
Pressure sensor
Brake fluid pressure detected by pres-
sure sensor is displayed.
Vehicle Speed
Vehicle speed calculated by VDC control
module is displayed.
FR Wheel
Speed
Wheel speed detected by front ABS
wheel speed sensor RH is displayed in
km/h or MPH.
FL Wheel Speed
Wheel speed detected by front ABS
wheel speed sensor LH is displayed in
km/h or MPH.
RR Wheel
Speed
Wheel speed detected by rear ABS
wheel speed sensor RH is displayed in
km/h or MPH.
RL Wheel
Speed
Wheel speed detected by rear ABS
wheel speed sensor LH is displayed in
km/h or MPH.
Required torque
Engine required torque is displayed.
Current torque
Current engine torque on malfunction
occurrence is displayed.
Target torque
Engine target torque is displayed.
PW signal
Acceleration opening is displayed.
Engine Speed
Engine speed on malfunction occur-
rence is displayed.
Gear position
Gear position on malfunction occurrence
is displayed.
IG power supply
voltage
Voltage supplied to VDC control module
is displayed.
Absolute angle
recognition flag
Whether the absolute angle was deter-
mined is displayed.
Decreasing
required torque
Whether the torque decrease is required
to engine is displayed.
EMA signal
Engine control command signal is dis-
played.
VDC O control
flag
VDC oversteer control condition is dis-
played.
VDC U control
flag
VDC understeer control condition is dis-
played.
BMR control flag
Brake control condition is displayed.
AMR control flag
Engine control condition is displayed.
ABS control flag
ABS control condition is displayed.
VDC OFF light
ON/OFF condition of VDC OFF indicator
light is displayed.
Valve Relay Sig-
nal
Valve relay operation signal is displayed.
Motor Relay
Monitor
Motor relay monitor signal is displayed.
BLS signal
Brake ON/OFF is displayed.
Summary of Contents for 2004 LEGACY
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Page 215: ...ABS 20 ABS G Sensor ...
Page 458: ...VDC diag 136 VEHICLE DYNAMICS CONTROL VDC DIAGNOSTICS General Diagnostic Table ...
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