Subaru Legacy 2002 Service Manual page 2491

LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
VDC (Diagnostics)
DTC No. Display screen
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 corre-
sponding 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.
Contents of diagnosis
<Ref. to VDC-266, DTC 74 PRESSURE SENSOR 2 OFF-
Secondary pressure
SET IS TOO BIG. (SECONDARY PRESSURE SENSOR),
sensor offset is too big.
Diagnostics Chart with Select Monitor.>
Differential pressure of <Ref. to VDC-268, DTC 74 DIFFERENTIAL PRESSURE OF
pressure sensor is too PRESSURE SENSOR IS TOO BIG., Diagnostics Chart with
big. Select Monitor.>
Problem area
(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.
VDC-32
Index No.
Index No.
<Ref. to VDC-186, DTC 46 ABNORMAL
VOLTAGE OF 5 V POWER SUPPLY,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-232, DTC 71 NO SIGNAL
FROM STEERING ANGLE SENSOR,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-232, DTC 71 NO SIGNAL
FROM STEERING ANGLE SENSOR,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-232, DTC 71 NO SIGNAL
FROM STEERING ANGLE SENSOR,
Diagnostics Chart with Select Monitor.>
<Ref. to VDC-250, DTC 73 EXCESSIVE
LATERAL G SENSOR SIGNAL, Diagnos-
tics Chart with Select Monitor.>