1997 SUBARU LEGACY Service Repair Manual

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Page 2569 of 3342

SUBARU LEGACY 1997 Service Repair Manual 10. Diagnostic Chart with Select
Monitor
A: BASIC DIAGNOSTIC CHART
TROUBLE OCCURS.
Ask the customer when and how
the trouble occurred using
interview check list.
<Ref. to 4-4b [T6B0].>
PRE-INSPECTION

Page 2570 of 3342

SUBARU LEGACY 1997 Service Repair Manual B: LIST OF TROUBLE CODE
Diagnostic items
(select monitor FB0)CodeDisplay screen
(FB0)Diagnostic items (select monitor FB1) Display screen (FB1)Ref. to
4-4b
Normal 11 NO TROUBLE Normal NO TROUBLE [T10C

B: LIST OF TROUBLE CODE
Diagnostic items
(select monitor FB0)CodeDisplay screen
(FB0)Diagnostic items (select monitor FB1) Display screen (FB1)Ref. to
4-4b
Normal 11 NO TROUBLE Normal NO TROUBLE [T10C0]
Detection of FR sensor
hardware21 FR.SS HARDOpen circuit of FR sensor FR.SS OPEN [T10D1]
Short circuit of FR sensor FR.SS SHORT [T10D2]
Detection of FR sensor
software22 FR.SS SOFTFR sensor, variations in wheel speed FR.SS W.SPEED [T10E1]
FR sensor, reduced pressure mode FR.SS OR MV [T10E2]
FR sensor, wheel speed higher than prescribed FR.SS OVER [T10E3]
Detection of FL sensor
hardware23 FL.SS HARDOpen circuit of FL sensor FL.SS OPEN [T10F1]
Short circuit of FL sensor FL.SS SHORT [T10F2]
Detection of FL sensor
software24 FL.SS SOFTFL sensor, variations in wheel speed FL.SS W.SPEED [T10G1]
FL sensor, reduced pressure mode FL.SS OR MV [T10G2]
FL sensor, wheel speed higher than prescribed FL.SS OVER [T10G3]
Detection of RR sensor
hardware25 RR.SS HARDOpen circuit of RR sensor RR.SS OPEN [T10H1]
Short circuit of RR sensor RR.SS SHORT [T10H2]
Detection of RR sensor
software26 RR.SS SOFTRR sensor, variations in wheel speed RR.SS W.SPEED [T10I1]
RR sensor, reduced pressure mode RR.SS OR MV [T10I2]
RR sensor, wheel speed higher than prescribed RR.SS OVER [T10I3]
Detection of RL sensor
hardware27 RL.SS HARDOpen circuit of RL sensor RL.SS OPEN [T10J1]
Short circuit of RL sensor RL.SS SHORT [T10J2]
Detection of RL sensor
software28 RL.SS SOFTRL sensor, variations in wheel speed RL.SS W.SPEED [T10K1]
RL sensor, reduced pressure mode RL.SS OR MV [T10K2]
RL sensor, wheel speed higher than prescribed RL.SS OVER [T10K3]
Abnormal FR.IN valve 31 FR.IN VALVE Abnormal FR.IN valve FR.IN VALVE [T10L0]
Abnormal FR.OUT
valve32 FR.OUT VALVE Abnormal FR.OUT valve FR.OUT VALVE [T10M0]
Abnormal FL.IN valve 33 FL.IN VALVE Abnormal FL.IN valve FL.IN VALVE [T10N0]
Abnormal FL.OUT
valve34 FL.OUT VALVE Abnormal FL.OUT valve FL.OUT VALVE [T10O0]
Abnormal RR.IN valve 35 RR.IN VALVE Abnormal RR.IN valve RR.IN VALVE [T10P0]
Abnormal RR.OUT
valve36 RR.OUT VALVE Abnormal RR.OUT valve RR.OUT VALVE [T10Q0]
Abnormal RL.IN valve 37 RL.IN VALVE Abnormal RL.IN valve RL.IN VALVE [T10R0]
Abnormal RL.OUT
valve38 RL.OUT VALVE Abnormal RL.OUT valve RL.OUT VALVE [T10S0]
Abnormal ECM 41 ECU Abnormal ECM ECU [T10T0]
Abnormal line voltage 42 HIGH VOLTAGE Abnormal line voltage HIGH VOLTAGE [T10U0]
Abnormal EGI commu-
nication line43 EGI LINE Abnormal EGI communication line EGI LINE [T10V0]
Abnormal valve relay 51 V.RELAYValve relay ON failure V.RELAY ON [T10W1]
Valve relay OFF failure V.RELAY OFF [T10W2]
Abnormal motor sys-
tem52 MOTORMotor relay ON failure MOTOR ON [T10X1]
Motor relay OFF failure MOTOR OFF [T10X2]
94
4-4bBRAKES
10. Diagnostic Chart with Select Monitor

Page 2571 of 3342

SUBARU LEGACY 1997 Service Repair Manual Diagnostic items
(select monitor FB0)CodeDisplay screen
(FB0)Diagnostic items (select monitor FB1) Display screen (FB1)Ref. to
4-4b
Abnormal stroke sen-
sor and stop light
switch54 PSS & BLSOpen/short

Page 2572 of 3342

SUBARU LEGACY 1997 Service Repair Manual B4M0490
C: TROUBLE CODE 11
—NO TROUBLE—
DIAGNOSIS:
ABS/TCS control module does not store troubles.
B4M0491
D: TROUBLE CODE 21
1. FR.SS OPEN
—Faulty front right ABS sensor (Open circuit)—
DIAG

Page 2573 of 3342

SUBARU LEGACY 1997 Service Repair Manual B4M0492
2. FR.SS SHORT
—Faulty front right ABS sensor (Short circuit)—
DIAGNOSIS:
Faulty ABS sensor
Faulty harness and connector
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS and TCS do n

Page 2574 of 3342

SUBARU LEGACY 1997 Service Repair Manual B4M0493
E: TROUBLE CODE 22
1. FR.SS W.SPEED
—Irregular signals from front right ABS sensor—
DIAGNOSIS:
Faulty ABS sensor signal (noise, irregular signal, etc.)
Faulty harness/connector
Faulty A

Page 2575 of 3342

SUBARU LEGACY 1997 Service Repair Manual B4M0494
2. FR.SS OR MV
—Irregular signals from front right ABS sensor in
decompressing mode—
DIAGNOSIS:
Faulty ABS sensor signal (noise, irregular signal, etc.)
Faulty hydraulic unit
Faulty har

Page 2576 of 3342

SUBARU LEGACY 1997 Service Repair Manual B4M0495
3. FR.SS OVER
—Excessive speed of front right ABS sensor signal—
DIAGNOSIS:
Faulty ABS sensor signal (noise, irregular signal, etc.)
Faulty harness/connector
Faulty ABS/TCS control modu

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