Subaru Legacy 2003 Service Manual page 3005

VDC (DIAGNOSTICS)
DTC No. Display screen
Lateral G sensor offset
73
is too big.
Abnormal lateral G sen-
73
sor output
Change range of lateral
73
G sensor is too big.
Excessive lateral G sen-
73
sor signal
Voltage inputted to lat-
73 eral G sensor exceeds
specification.
Voltage inputted to
74 pressure sensor 1
exceeds specification.
Voltage inputted to
74 pressure sensor 2
exceeds specification.
Pressure sensor 1 off-
74
set is too big.
Pressure sensor 2 off-
74
set is too big.
Differential pressure of
74 pressure sensor is too
big.
If any of the following multiple diagnostic trouble codes (DTCs) are present in memory, check the area cor-
responding to the first diagnostic trouble code (DTC). If no problem is detected, check the areas correspond-
ing to the other diagnostic trouble codes (DTCs) in order of their appearance.
Combination of DTC No.
46 Abnormal voltage of 5 V power supply
74 Voltage inputted to pressure sensor 2
exceeds specification.
44 TCM communication circuit
71 No signal from steering angle sensor
51 Valve relay
48 Improper EAC communication
71 No signal from steering angle sensor
71 No signal from steering angle sensor
51 Valve relay
44 TCM communication circuit
73 Voltage inputted to lateral G sensor
exceeds specification.
72 Voltage inputted to yaw rate sensor
exceeds specifications.
LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
Contents of diagnosis
Lateral G sensor offset
is too big.
Abnormal lateral G sen-
sor output
Change range of lat-
eral G sensor is too big.
Excessive lateral G
sensor signal
Voltage inputted to lat-
eral G sensor exceeds
specification.
Voltage inputted to pri-
mary pressure sensor
exceeds specification.
Voltage inputted to sec-
ondary pressure sen-
sor exceeds
specification.
Primary pressure sen-
sor offset is too big.
Secondary pressure
sensor offset is too big.
Differential pressure of
pressure sensor is too
big.
(F87) — No. 78, 68 or 69 lead circuit
is shorted to ground or battery.
(F87) — No. 83 or 81 lead circuit is
open.
(F87) — No. 27 lead circuit is open.
(F87) — No. 27 lead circuit is open.
(F87) — No. 23 lead circuit is open.
<Ref. to VDC-254, DTC 73 LATERAL G SENSOR OFFSET IS
TOO BIG., Diagnostics Chart with Select Monitor.>
<Ref. to VDC-254, DTC 73 ABNORMAL LATERAL G SENSOR
OUTPUT, Diagnostics Chart with Select Monitor.>
<Ref. to VDC-254, DTC 73 CHANGE RANGE OF LATERAL G
SENSOR IS TOO BIG., Diagnostics Chart with Select Monitor.>
<Ref. to VDC-256, DTC 73 EXCESSIVE LATERAL G SENSOR
SIGNAL, Diagnostics Chart with Select Monitor.>
<Ref. to VDC-258, DTC 73 VOLTAGE INPUTTED TO LAT-
ERAL G SENSOR EXCEEDS SPECIFICATION., Diagnostics
Chart with Select Monitor.>
<Ref. to VDC-262, DTC 74 VOLTAGE INPUTTED TO PRES-
SURE SENSOR 1 EXCEEDS SPECIFICATION. (PRIMARY
PRESSURE SENSOR), Diagnostics Chart with Select Moni-
tor.>
<Ref. to VDC-266, DTC 74 VOLTAGE INPUTTED TO PRES-
SURE SENSOR 2 EXCEEDS SPECIFICATION. (SECOND-
ARY PRESSURE SENSOR), Diagnostics Chart with Select
Monitor.>
<Ref. to VDC-269, DTC 74 PRESSURE SENSOR 1 OFFSET
IS TOO BIG. (PRIMARY PRESSURE SENSOR), Diagnostics
Chart with Select Monitor.>
<Ref. to VDC-270, DTC 74 PRESSURE SENSOR 2 OFFSET
IS TOO BIG. (SECONDARY PRESSURE SENSOR), Diagnos-
tics Chart with Select Monitor.>
<Ref. to VDC-272, DTC 74 DIFFERENTIAL PRESSURE OF
PRESSURE SENSOR IS TOO BIG., Diagnostics Chart with
Select Monitor.>
Problem area
VDC-32
Index No.
Index No.
<Ref. to VDC-182, DTC 46 ABNORMAL
VOLTAGE OF 5 V POWER SUPPLY,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-234, DTC 71 NO SIGNAL
FROM STEERING ANGLE SENSOR,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-234, DTC 71 NO SIGNAL
FROM STEERING ANGLE SENSOR,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-234, DTC 71 NO SIGNAL
FROM STEERING ANGLE SENSOR,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-256, DTC 73 EXCESSIVE
LATERAL G SENSOR SIGNAL, Diagnos-
tics Chart with Select Monitor.>