Subaru Legacy 2004 Service Manual page 3091

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
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.
Display
Clear memory? DTC deleting function
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
Display Contents to be monitored
Operate the valve and
ABS
pump motor continuously
sequence
to perform the ABS
control
sequence control.
Operate the valve and
VDC confir-
pump motor continuously
mation
to perform the VDC
mode
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.
Subaru Select Monitor
Contents to be monitored
Reference tar-
get
<Ref. to ABS-
10, ABS
Sequence Con-
trol.>
<Ref. to VDC-
11, VDC
Sequence Con-
trol.>
VDC(diag)-18
Display Contents to be monitored
Steering angle Steering angle detected by steering
sensor angle sensor is displayed.
Vehicle angular speed detected by yaw
Yaw rate sensor
rate sensor is displayed.
Vehicle lateral acceleration detected by
Lateral G sensor
lateral G sensor is displayed.
Brake fluid pressure detected by pres-
Pressure sensor
sure sensor is displayed.
Vehicle speed calculated by VDC control
Vehicle Speed
module is displayed.
Wheel speed detected by front ABS
FR Wheel
wheel speed sensor RH is displayed in
Speed
km/h or MPH.
Wheel speed detected by front ABS
FL Wheel Speed wheel speed sensor LH is displayed in
km/h or MPH.
Wheel speed detected by rear ABS
RR Wheel
wheel speed sensor RH is displayed in
Speed
km/h or MPH.
Wheel speed detected by rear ABS
RL Wheel
wheel speed sensor LH is displayed in
Speed
km/h or MPH.
Required torque Engine required torque is displayed.
Current engine torque on malfunction
Current torque
occurrence is displayed.
Target torque Engine target torque is displayed.
PW signal Acceleration opening is displayed.
Engine speed on malfunction occur-
Engine Speed
rence is displayed.
Gear position on malfunction occurrence
Gear position
is displayed.
IG power supply Voltage supplied to VDC control module
voltage is displayed.
Absolute angle Whether the absolute angle was deter-
recognition flag mined is displayed.
Decreasing Whether the torque decrease is required
required torque to engine is displayed.
Engine control command signal is dis-
EMA signal
played.
VDC O control VDC oversteer control condition is dis-
flag played.
VDC U control VDC understeer control condition is dis-
flag 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.
ON/OFF condition of VDC OFF indicator
VDC OFF light
light is displayed.
Valve Relay Sig-
Valve relay operation signal is displayed.
nal
Motor Relay
Motor relay monitor signal is displayed.
Monitor
BLS signal Brake ON/OFF is displayed.