1997 SUBARU LEGACY contents

4. FC MODE (TROUBLE CODES AND FREEZE
FRAME DATA ARE ERASED.)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FC0 D⋅CLRHistory of trouble
codes is erased.Function of clearing trouble code. Possible 4-4c [T9J0]
5. FD MODE (ABS SEQUENCE CHECK MODE)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FD1 A⋅CHKABS sequence con-
trolPerform ABS sequence control by operating valve and
pump motor sequentially.Impossible4-4
[W20D0]
6. FE MODE (FREEZE FRAME DATA)
NOTE:
Data stored at the time of trouble occurrence is shown on
display.
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FE1 FR FR wheel speed (mile/h)Wheel speed detected by the FR ABS sensor is displayed in
mile/h.Possible 4-4c [T9K0]
FE2 FL FL wheel speed (mile/h)Wheel speed detected by the FL ABS sensor is displayed in
mile/h.Possible 4-4c [T9L0]
FE3 RR RR wheel speed (mile/h)Wheel speed detected by the RR ABS sensor is displayed in
mile/h.Possible 4-4c [T9M0]
FE4 RL RL wheel speed (mile/h)Wheel speed detected by the RL ABS sensor is displayed in
mile/h.Possible 4-4c [T9N0]
FE5 FR FR wheel speed (km/h)Wheel speed detected by the FR ABS sensor is displayed in
km/h.Possible 4-4c [T9K0]
FE6 FL FL wheel speed (km/h)Wheel speed detected by the FL ABS sensor is displayed in
km/h.Possible 4-4c [T9L0]
FE7 RR RR wheel speed (km/h)Wheel speed detected by the RR ABS sensor is displayed in
km/h.Possible 4-4c [T9M0]
FE8 RL RL wheel speed (km/h)Wheel speed detected by the RL ABS sensor is displayed in
km/h.Possible 4-4c [T9N0]
FE13 POWERABSCM power supply
voltage (V)Power (in volts) supplied to ABSCM appears on the select
monitor display.Possible 4-4c [T9O0]
FE14 G-SENSG sensor output voltage
(V)Refers to vehicle acceleration detected by the analog G sen-
sor. It appears on the select monitor display in volts.Possible 4-4c [T9P0]
FE15MM Motor relay monitor LED 1 comes on when motor relay is on.
Possible 4-4c [T9Q0] B1 Stop light switchLED 2 comes on with the stop light switch on (with the brake
pedal depressed).
AT AT ABS signal LED 3 comes on when ABS control is on.
CM CCM signal LED 4 comes on when ABS control is on.
A0 ABS control LED 5 comes on when ABS control is on.
11 3
4-4cBRAKES [ABS 5.3 TYPE]
9. Select Monitor Function Mode

B: LIST OF TROUBLE CODE
Code Display screen (FB1) Contents of diagnosis Ref. to
—ERROR 3 (1) Select monitor communication failure 4-4c [T10C0]
11 NO TROUBLEAlthough no trouble appears on the select monitor display, the ABS
warning light remains on.4-4c [T10D0]
21 FR. SS HARD Open circuit or input voltage too high of FR sensor 4-4c [T10E0]
22 FR. SS SOFT Abnormal ABS sensor signal of FR sensor 4-4c [T10I0]
23 FL. SS HARD Open circuit or input voltage too high of FL sensor 4-4c [T10F0]
24 FL. SS SOFT Abnormal ABS sensor signal of FL sensor 4-4c [T10J0]
25 RR. SS HARD Open circuit or input voltage too high of RR sensor 4-4c [T10G0]
26 RR. SS SOFT Abnormal ABS sensor signal of RR sensor 4-4c [T10K0]
27 RL. SS HARD Open circuit or input voltage too high of RL sensor 4-4c [T10H0]
28 RL. SS SOFT Abnormal ABS sensor signal of RL sensor 4-4c [T10L0]
29 EITHER. SS SOFT Abnormal ABS sensor signal (any one of four) 4-4c [T10M0]
31 FR. EV VALVE Abnormal FR inlet valve 4-4c [T10N0]
32 FR. AV VALVE Abnormal FR outlet valve 4-4c [T10R0]
33 FL. EV VALVE Abnormal FL inlet valve 4-4c [T10O0]
34 FL. AV VALVE Abnormal FL outlet valve 4-4c [T10S0]
35 RR. EV VALVE Abnormal RR inlet valve 4-4c [T10P0]
36 RR. AV VALVE Abnormal RR outlet valve 4-4c [T10T0]
37 RL. EV VALVE Abnormal RL inlet valve 4-4c [T10Q0]
38 RL. AV VALVE Abnormal RL outlet valve 4-4c [T10U0]
41 ECU Abnormal ABSCM 4-4c [T10V0]
42 LOW VOLTAGE Source voltage is low. 4-4c [T10W0]
44CCM LINE A combination of AT control abnormals (ABS not in control) 4-4c [T10X0]
CCM OPEN A combination of AT control abnormals (ABS in control) 4-4c [T10Y0]
46GS POWER OVER G sensor line voltage too high 4-4c [T10Z0]
GS POWER LOW G sensor line voltage too low 4-4c [T10AA0]
51V. RELAY Abnormal valve relay 4-4c [T10AB0]
V. RELAY ON Valve relay ON failure 4-4c [T10AC0]
52M. RELAY OPEN Open circuit of motor relay 4-4c [T10AD0]
M. RELAY ON Motor relay ON failure 4-4c [T10AE0]
MOTOR Abnormal motor 4-4c [T10AF0]
54 BLS Abnormal stop light switch 4-4c [T10AG0]
56G SENSOR LINE Open or short circuit of G sensor 4-4c [T10AH0]
G SENSOR +B Battery short of G sensor 4-4c [T10AI0]
G SENSOR Hµ Abnormal G sensor high µ output 4-4c [T10AJ0]
G SENSOR STICK G sensor output is stuck. 4-4c [T10AK0]
NOTE:
High µ means high friction coefficient against road sur-
face.
123
4-4cBRAKES [ABS 5.3 TYPE]
10. Diagnostics Chart with Select Monitor

ContentsTerminal No.
(+)—()Input/Output signal
Measured value and measuring conditions
ABS
sensor*2
(Wheel
speed
sensor)Front left wheel 9—10
0.12 — 1 V
(When it is 20 Hz.) Front right wheel 11—12
Rear left wheel 7—8
Rear right wheel 14—15
Valve relay power supply 24—23 10 — 15 V when ignition switch is ON.
Motor relay power supply 25—23 10 — 15 V when ignition switch is ON.
G sensor*2
(AWD
model only)power supply 30—28 4.75 — 5.25 V
ground 28 —
output 6—28 2.3±0.2 V when vehicle is in horizontal position.
Stop light switch*1 2—23Less than 1.5 V when the stop light is OFF and, 10 — 15 V
when the stop light is ON.
ABS warning light*2 21—23Less than 1.5 V during 1.5 seconds when ignition switch is
ON, and 10 — 15 V after 1.5 seconds.
AT ABS signal*2
(AT model only)31—23Less than 1.5 V when the ABS control does not operate still
and more than 5.5 V when ABS operates.
ABS operation signal monitor*2 3—23Less than 1.5 V when the ABS control does not operate still
and more than 5.5 V when ABS operates.
Select
monitor*2Data is received. 20—23 Less than 1.5 V when no data is received.
Data is sent. 5—23 4.75 — 5.25 V when no data is sent.
ABS
diagnosis
connector*2Terminal No. 3 29—23 10 — 15 V when ignition switch is ON.
Terminal No. 6 4—23 10 — 15 V when ignition switch is ON.
Power supply*1 1—23 10 — 15 V when ignition switch is ON.
Grounding line 23 —
Grounding line 26 —
*1: Measure the I/O signal voltage after removing the connector from the ABSCM&H/U terminal.
*2: Measure the I/O signal voltage at connector (F2) or (F1).
8
4-4dBRAKES [ABS 5.3i TYPE]
5. Control Module I/O Signal

8. Diagnostics Chart with Trouble Code
by ABS Warning Light
A: LIST OF TROUBLE CODE
Trouble code Contents of diagnosis Ref. to
11Start code

Trouble code is shown after start code.

Only start code is shown in normal condition.—
21
Abnormal ABS sensor
(Open circuit or input voltage too high)Front right ABS sensor 4-4d [T8B0]
23 Front left ABS sensor 4-4d [T8C0]
25 Rear right ABS sensor 4-4d [T8D0]
27 Rear left ABS sensor 4-4d [T8E0]
22
Abnormal ABS sensor
(Abnormal ABS sensor signal)Front right ABS sensor 4-4d [T8F0]
24 Front left ABS sensor 4-4d [T8G0]
26 Rear right ABS sensor 4-4d [T8H0]
28 Rear left ABS sensor 4-4d [T8I0]
29 Any one of four 4-4d [T8J0]
31
Abnormal solenoid valve circuit(s) in ABS
control module and hydraulic unitFront right inlet valve 4-4d [T8K0]
32 Front right outlet valve 4-4d [T8O0]
33 Front left inlet valve 4-4d [T8L0]
34 Front left outlet valve 4-4d [T8P0]
35 Rear right inlet valve 4-4d [T8M0]
36 Rear right outlet valve 4-4d [T8Q0]
37 Rear left inlet valve 4-4d [T8N0]
38 Rear left outlet valve 4-4d [T8R0]
41 Abnormal ABS control module 4-4d [T8S0]
42 Source voltage is abnormal. 4-4d [T8T0]
44 A combination of AT control abnormal 4-4d [T8U0]
51 Abnormal valve relay4-4d [T8V0]
52 Abnormal motor and/or motor relay 4-4d [T8W0]
54 Abnormal stop light switch 4-4d [T8X0]
56 Abnormal G sensor output voltage 4-4d [T8Y0]
27
4-4dBRAKES [ABS 5.3i TYPE]
8. Diagnostics Chart with Trouble Code by ABS Warning Light

G2M0096
9. Select Monitor Function Mode
Applicable cartridge of select monitor: No. 498346300
A: LIST OF FUNCTION MODE
1. F MODE (ROM ID, ANALOG DATA ARE
DISPLAYED.)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
F00 ROM ID ECM identificationROM ID number of ECM is read and enabled com-
munication state is displayed.Possible 4-4d [T9B0]
F01 FRFR wheel speed
(mile/h)Wheel speed detected by the FR ABS sensor is
displayed in mile/h.Possible 4-4d [T9C0]
F02 FLFL wheel speed
(mile/h)Wheel speed detected by the FL ABS sensor is dis-
played in mile/h.Possible 4-4d [T9D0]
F03 RRRR wheel speed
(mile/h)Wheel speed detected by the RR ABS sensor is
displayed in mile/h.Possible 4-4d [T9E0]
F04 RLRL wheel speed
(mile/h)Wheel speed detected by the RL ABS sensor is
displayed in mile/h.Possible 4-4d [T9F0]
F05 FRFR wheel speed
(km/h)Wheel speed detected by the FR ABS sensor is
displayed in km/h.Possible 4-4d [T9C0]
F06 FLFL wheel speed
(km/h)Wheel speed detected by the FL ABS sensor is dis-
played in km/h.Possible 4-4d [T9D0]
F07 RRRR wheel speed
(km/h)Wheel speed detected by the RR ABS sensor is
displayed in km/h.Possible 4-4d [T9E0]
F08 RLRL wheel speed
(km/h)Wheel speed detected by the RL ABS sensor is
displayed in km/h.Possible 4-4d [T9F0]
F09 BLSStop light switch
monitorStop light switch monitor voltage is displayed. Possible 4-4d [T9G0]
F10 G-SENSG sensor output volt-
age (V)Refers to vehicle acceleration detecting by the ana-
log G sensor. It appears on the select monitor dis-
play in volts.Possible 4-4d [T9H0]
78
4-4dBRAKES [ABS 5.3i TYPE]
9. Select Monitor Function Mode

2. FA MODE (ON/OFF DATA ARE DISPLAYED.)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FA 0B1 Stop light switchLED 1 comes on with the switch on (with the brake
pedal down).
Possible 4-4d [T9I0] VR Valve relay signal LED 2 comes on with the valve relay off.
MR Motor relay signal LED 3 comes on with the motor on.
AT AT ABS signal LED 4 comes on when ABS control is on.
AW ABS warning light LED 6 comes on when the warning light is on.
VM Valve relay monitor LED 1 comes on with the valve relay off.
MM Motor relay monitor LED 8 comes on when the motor relay is on.
CM CCM signal LED 9 comes on when ABS control is on.
3. FB MODE (TROUBLE CODES ARE DISPLAYED.)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FB1D⋅ALL
History of trouble
codes is displayed.A maximum of 3 trouble codes are displayed in
order of occurrence.
Possible 4-4d [T10B0] D⋅NEWThe most recent trouble code appears on the select
monitor display.
D⋅MIDThe second most recent trouble code appears on
the select monitor display.
D⋅OLDThe third most recent trouble code appears on the
select monitor display.
D⋅REFA specified period of time proceeding trouble code
appears on the select monitor display.
B4M0919
NOTE:

If a particular trouble code is not properly stored in
memory (due to a drop in ABSCM&H/U power supply, etc.)
when a problem occurs, the trouble code, followed by a
question mark“?”, appears on the select monitor display.
This shows it may be an unreliable reading.

arefers to the troubles in order of occurrence (NEW.
MID, OLD and REF).
79
4-4dBRAKES [ABS 5.3i TYPE]
9. Select Monitor Function Mode

4. FC MODE (TROUBLE CODES ARE ERASED.)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FC0 D⋅CLRHistory of trouble
codes is erased.Function of clearing trouble code. Possible 4-4d [T9J0]
5. FD MODE (ABS SEQUENCE CONTROL MODE)
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FD1 A⋅CHKABS sequence con-
trolPerform ABS sequence control by operating valve
and pump motor sequentially.Impossible4-4
[W20D2]
6. FE MODE (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.
Function code
Measuring items Contents to be monitored Scroll Ref. to
Code Abbreviation
FE1 FRFR wheel speed
(mile/h)Wheel speed detected by the FR ABS sensor is
displayed in mile/h.Possible 4-4d [T9K0]
FE2 FLFL wheel speed
(mile/h)Wheel speed detected by the FL ABS sensor is dis-
played in mile/h.Possible 4-4d [T9L0]
FE3 RRRR wheel speed
(mile/h)Wheel speed detected by the RR ABS sensor is
displayed in mile/h.Possible 4-4d [T9M0]
FE4 RLRL wheel speed
(mile/h)Wheel speed detected by the RL ABS sensor is
displayed in mile/h.Possible 4-4d [T9N0]
FE5 FRFR wheel speed
(km/h)Wheel speed detected by the FR ABS sensor is
displayed in km/h.Possible 4-4d [T9K0]
FE6 FLFL wheel speed
(km/h)Wheel speed detected by the FL ABS sensor is dis-
played in km/h.Possible 4-4d [T9L0]
FE7 RRRR wheel speed
(km/h)Wheel speed detected by the RR ABS sensor is
displayed in km/h.Possible 4-4d [T9M0]
FE8 RLRL wheel speed
(km/h)Wheel speed detected by the RL ABS sensor is
displayed in km/h.Possible 4-4d [T9N0]
FE13 POWERABSCM&H/U power
supply voltage (V)Power (in volts) supplied to ABSCM&H/U appears
on the select monitor display.Possible 4-4d [T9O0]
FE14 G-SENSG sensor output volt-
age (V)Refers to vehicle acceleration detected by the ana-
log G sensor. It appears on the select monitor dis-
play in volts.Possible 4-4d [T9P0]
FE15MM Motor relay monitor LED 1 comes on when motor relay is on.
Possible 4-4d [T9Q0] B1 Stop light switchLED 2 comes on with the stop light switch on (with
the brake pedal depressed).
AT AT ABS signal LED 3 comes on when ABS control is on.
CM CCM signal LED 4 comes on when ABS control is on.
A0 ABS control LED 5 comes on when ABS control is on.
FE16 CODE Trouble codeThe most recent trouble code appears on select
monitor display.Possible 4-4d [T9R0]
80
4-4dBRAKES [ABS 5.3i TYPE]
9. Select Monitor Function Mode

B: LIST OF TROUBLE CODE
Code Display screen (FB1) Contents of diagnosis Ref. to
—ERROR 3 (1) Select monitor communication failure 4-4d [T10C0]
11 NO TROUBLEAlthough no trouble appears on the select monitor display, the ABS
warning light remains on.4-4d [T10D0]
21 FR. SS HARD Open circuit or input voltage too high of FR sensor 4-4d [T10E0]
22 FR. SS SOFT Abnormal ABS sensor signal of FR sensor 4-4d [T10I0]
23 FL. SS HARD Open circuit or input voltage too high of FL sensor 4-4d [T10F0]
24 FL. SS SOFT Abnormal ABS sensor signal of FL sensor 4-4d [T10J0]
25 RR. SS HARD Open circuit or input voltage too high of RR sensor 4-4d [T10G0]
26 RR. SS SOFT Abnormal ABS sensor signal of RR sensor 4-4d [T10K0]
27 RL. SS HARD Open circuit or input voltage too high of RL sensor 4-4d [T10H0]
28 RL. SS SOFT Abnormal ABS sensor signal of RL sensor 4-4d [T10L0]
29 EITHER. SS SOFT Abnormal ABS sensor signal (any one of four) 4-4d [T10M0]
31 FR. EV VALVE Abnormal FR inlet valve 4-4d [T10N0]
32 FR. AV VALVE Abnormal FR outlet valve 4-4d [T10R0]
33 FL. EV VALVE Abnormal FL inlet valve 4-4d [T10O0]
34 FL. AV VALVE Abnormal FL outlet valve 4-4d [T10S0]
35 RR. EV VALVE Abnormal RR inlet valve 4-4d [T10P0]
36 RR. AV VALVE Abnormal RR outlet valve 4-4d [T10T0]
37 RL. EV VALVE Abnormal RL inlet valve 4-4d [T10Q0]
38 RL. AV VALVE Abnormal RL outlet valve 4-4d [T10U0]
41 ECU Abnormal ABSCM&H/U 4-4d [T10V0]
42LOW VOLTAGE Source voltage is low. 4-4d [T10W0]
HIGH VOLTAGE Source voltage is high. 4-4d [T10X0]
44CCM LINE A combination of AT control abnormals (ABS not in control) 4-4d [T10Y0]
CCM OPEN A combination of AT control abnormals (ABS in control) 4-4d [T10Z0]
51V. RELAY Abnormal valve relay 4-4d [T10AA0]
V. RELAY ON Valve relay ON failure 4-4d [T10AB0]
52M. RELAY OPEN Open circuit of motor relay 4-4d [T10AC0]
M. RELAY ON Motor relay ON failure 4-4d [T10AD0]
MOTOR Abnormal motor 4-4d [T10AE0]
54 BLS Abnormal stop light switch 4-4d [T10AF0]
56G SENSOR LINE Open or short circuit of G sensor 4-4d [T10AG0]
G SENSOR +B Battery short of G sensor 4-4d [T10AH0]
G SENSOR H µ Abnormal G sensor high µ output 4-4d [T10AI0]
G SENSOR STICK G sensor output is stuck. 4-4d [T10AJ0]
NOTE:
High µ means high friction coefficient against road sur-
face.
91
4-4dBRAKES [ABS 5.3i TYPE]
10. Diagnostics Chart with Select Monitor