Subaru Legacy 2002 Service Manual page 2489

LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
VDC (Diagnostics)
DTC No. Display screen
FL pressure reducing
34
valve malfunction
RR hold valve malfunc-
35
tion
RR pressure reducing
36
valve malfunction
RL hold valve malfunc-
37
tion
RL pressure reducing
38
valve malfunction
Electrical control mod-
41
ule
Power supply voltage
42
low
AET communication line
43
malfunction
AEB communication line
43
malfunction
AEC communication
43
line malfunction
TCM communication
44
circuit
Incorrect VDC control
45
module
TCM malfunction speci-
45
fications
Abnormal voltage of 5 V
46
power supply
Improper CAN commu-
47
nication
Improper EAC commu-
48
nication
EAS communication line
48
grounding shorted
Erroneous communica-
48
tion from EGI to VDC
Abnormal engine speed
49
signal
51 Valve relay
51 Valve relay ON failure
Motor and motor relay
52
OFF failure
Motor and motor relay
52
ON failure
52 Motor malfunction
Contents of diagnosis
<Ref. to VDC-160, DTC 34 FL PRESSURE REDUCING
Front left outlet solenoid
VALVE MALFUNCTION (FRONT LEFT OUTLET VALVE
valve
MALFUNCTION), Diagnostics Chart with Select Monitor.>
<Ref. to VDC-154, DTC 35 RR HOLD VALVE MALFUNC-
Rear right inlet solenoid
TION (REAR RIGHT INLET VALVE MALFUNCTION), Diag-
valve malfunction
nostics Chart with Select Monitor.>
<Ref. to VDC-160, DTC 36 RR PRESSURE REDUCING
Rear right outlet sole-
VALVE MALFUNCTION (REAR RIGHT OUTLET VALVE
noid valve
MALFUNCTION), Diagnostics Chart with Select Monitor.>
<Ref. to VDC-154, DTC 37 RL HOLD VALVE MALFUNC-
Rear left inlet solenoid
TION (REAR LEFT INLET VALVE MALFUNCTION), Diag-
valve malfunction
nostics Chart with Select Monitor.>
<Ref. to VDC-160, DTC 38 RL PRESSURE REDUCING
Rear left outlet solenoid
VALVE MALFUNCTION (REAR LEFT OUTLET VALVE
valve
MALFUNCTION), Diagnostics Chart with Select Monitor.>
<Ref. to VDC-166, DTC 41 ELECTRICAL CONTROL MOD-
VDC control module
ULE (VDC CONTROL MODULE MALFUNCTION), Diagnos-
malfunction
tics Chart with Select Monitor.>
Power supply voltage <Ref. to VDC-168, DTC 42 POWER SUPPLY VOLTAGE
too low LOW, Diagnostics Chart with Select Monitor.>
AET communication line <Ref. to VDC-170, DTC 43 AET COMMUNICATION LINE
malfunction MALFUNCTION, Diagnostics Chart with Select Monitor.>
AEB communication line <Ref. to VDC-174, DTC 43 AEB COMMUNICATION LINE
malfunction MALFUNCTION, Diagnostics Chart with Select Monitor.>
AEC communication <Ref. to VDC-178, DTC 43 AEC COMMUNICATION LINE
line malfunction MALFUNCTION, Diagnostics Chart with Select Monitor.>
TCM communication <Ref. to VDC-182, DTC 44 TCM COMMUNICATION
line malfunction CIRCUIT, Diagnostics Chart with Select Monitor.>
Incorrect VDC control <Ref. to VDC-184, DTC 45 INCORRECT VDC CONTROL
module MODULE, Diagnostics Chart with Select Monitor.>
TCM malfunction speci- <Ref. to VDC-185, DTC 45 TCM MALFUNCTION
fications SPECIFICATIONS, Diagnostics Chart with Select Monitor.>
Abnormal voltage of 5 V <Ref. to VDC-186, DTC 46 ABNORMAL VOLTAGE OF 5 V
power supply POWER SUPPLY, Diagnostics Chart with Select Monitor.>
CAN communication <Ref. to VDC-188, DTC 47 IMPROPER CAN
line malfunction COMMUNICATION, Diagnostics Chart with Select Monitor.>
EAC communication <Ref. to VDC-192, DTC 48 IMPROPER EAC
line malfunction COMMUNICATION, Diagnostics Chart with Select Monitor.>
<Ref. to VDC-194, DTC 48 EAS COMMUNICATION LINE
EAS communication line
GROUNDING SHORTED, Diagnostics Chart with Select
grounding
Monitor.>
<Ref. to VDC-196, DTC 48 ERRONEOUS COMMUNICA-
Faulty ECM-VDCCM
TION FROM EGI TO VDC, Diagnostics Chart with Select
communication line
Monitor.>
Abnormal engine speed <Ref. to VDC-198, DTC 49 ABNORMAL ENGINE SPEED
signal SIGNAL, Diagnostics Chart with Select Monitor.>
<Ref. to VDC-200, DTC 51 VALVE RELAY, Diagnostics
Valve relay malfunction
Chart with Select Monitor.>
<Ref. to VDC-206, DTC 51 VALVE RELAY ON FAILURE,
Valve relay ON failure
Diagnostics Chart with Select Monitor.>
Motor and motor relay <Ref. to VDC-212, DTC 52 MOTOR AND MOTOR RELAY
OFF failure OFF FAILURE, Diagnostics Chart with Select Monitor.>
Motor and motor relay <Ref. to VDC-216, DTC 52 MOTOR AND MOTOR RELAY
ON failure ON FAILURE, Diagnostics Chart with Select Monitor.>
<Ref. to VDC-222, DTC 52 MOTOR MALFUNCTION, Diag-
Motor malfunction
nostics Chart with Select Monitor.>
VDC-30
Index No.