Subaru Legacy III (2000-2003 year). Service manual — part 998
CC-12
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
DIAGNOSTICS CHART WITH SYMPTOM
6. Diagnostics Chart with Symptom
A: SYMPTOM CHART
Symptom
Repair area
Reference
1
Cruise control main switch is
not turned ON.
(1) Check power supply.
<Ref. to CC-14, CHECK POWER SUPPLY, Diagnostics
Chart with Symptom.>
(2) Check cruise control main
switch.
<Ref. to CC-16, CHECK CRUISE CONTROL MAIN
SWITCH, Diagnostics Chart with Symptom.>
2
Cruise control cannot be set.
(1) Check SET/COAST
switch.
<Ref. to CC-18, CHECK CRUISE CONTROL COM-
MAND SWITCH, Diagnostics Chart with Symptom.>
(2) Check stop light switch
and brake switch.
<Ref. to CC-20, CHECK STOP LIGHT SWITCH AND
BRAKE SWITCH, Diagnostics Chart with Symptom.>
(3) Check clutch switch (MT). <Ref. to CC-22, CHECK CLUTCH SWITCH (MT), Diag-
(4) Check inhibitor switch
(AT).
<Ref. to CC-24, CHECK INHIBITOR SWITCH (AT),
Diagnostics Chart with Symptom.>
(5) Check vehicle speed sen-
sor.
<Ref. to CC-28, DTC 22 VEHICLE SPEED SENSOR,
Diagnostics Chart with Trouble Code.>
(6) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(7) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
3
Vehicle speed is not held
within set speed
±
3 km/h (
±
2
MPH).
(1) Check vehicle speed sen-
sor.
<Ref. to CC-28, DTC 22 VEHICLE SPEED SENSOR,
Diagnostics Chart with Trouble Code.>
(2) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(3) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
4
Vehicle speed does not
increase or does not return to
set speed after RESUME/
ACCEL switch has been
pressed.
(1) Check RESUME/ACCEL
switch.
<Ref. to CC-18, CHECK CRUISE CONTROL COM-
MAND SWITCH, Diagnostics Chart with Symptom.>
(2) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(3) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
5
Vehicle speed does not
decrease after SET/COAST
switch has been pressed.
(1) Check SET/COAST
switch.
<Ref. to CC-18, CHECK CRUISE CONTROL COM-
MAND SWITCH, Diagnostics Chart with Symptom.>
(2) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(3) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
6
Cruise control is not released
after CANCEL switch has
been pressed.
(1) Check CANCEL switch.
<Ref. to CC-18, CHECK CRUISE CONTROL COM-
MAND SWITCH, Diagnostics Chart with Symptom.>
(2) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(3) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
7
Cruise control is not released
after brake pedal has been
depressed.
(1) Check stop light switch
and brake switch.
<Ref. to CC-20, CHECK STOP LIGHT SWITCH AND
BRAKE SWITCH, Diagnostics Chart with Symptom.>
(2) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(3) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
CC-13
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
DIAGNOSTICS CHART WITH SYMPTOM
8
Cruise control is not released
after clutch pedal has been
depressed (MT).
(1) Check clutch switch.
<Ref. to CC-22, CHECK CLUTCH SWITCH (MT), Diag-
nostics Chart with Symptom.>
(2) Check motor drive sys-
tem.
<Ref. to CC-32, DTC 35 AND 36 ACTUATOR MOTOR,
Diagnostics Chart with Trouble Code.>
(3) Check motor clutch drive
system.
<Ref. to CC-34, DTC 37 ACTUATOR MOTOR CLUTCH,
Diagnostics Chart with Trouble Code.>
Symptom
Repair area
Reference
CC-14
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
DIAGNOSTICS CHART WITH SYMPTOM
B: CHECK POWER SUPPLY
TROUBLE SYMPTOM:
Cruise control cannot be set, and indicator does not come on. (When main switch is pressed.)
WIRING DIAGRAM:
M2
B2
A2
1
11
15
12
6
i1
B36
CRUISE CONTROL MODULE
B94
BATTERY
IGNITION
SWITCH
6
1
5
3
NO. 18
SBF-4
i19
SMJ
CRUISE CONTROL
MAIN SWITCH
i19
1
3 4 5 6
2
B94
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
B36
B4 B5 B6
A4 A5 A6
C5 C6
F6
D4 D5 D6
F1
H1
C4
G6
G1
C2
K1
M1 M2
K6
L1
D1 D2
A1 A2
B1 B2
I6
J6
L2
I1
J1
H6
M4 M5 M6
L4 L5 L6
N5 N6
O4 O5 O6
N4
P4 P5
N2
O1 O2
P1 P2
N3
O3
P3
P6
A3
B3
C3
E4 E5 E6
E1 E2
3
1
11
9
i60
i61
CC-00096
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
B
A
: LHD H6 AND LHD H4 FOR
EUROPE
: LHD H4 EXCEPT FOR EUROPE
AND RHD
A
B
1 2 3
9 10
4
11 12 13 14 15 16
5 6 7
17 18
8
i60
CC-15
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
DIAGNOSTICS CHART WITH SYMPTOM
Step
Value
Yes
No
1
CHECK POWER SUPPLY.
1) Turn ignition switch OFF.
2) Disconnect cruise control module harness
connector.
3) Turn ignition switch ON.
4) Measure voltage between harness connec-
tor terminal and chassis ground.
Connector & terminal
(B94) No. 12 (+) — Chassis ground (
−−−−
):
Does the measured value exceed the spec-
ified value?
10 V
• Check fuse No.
18 (in fuse & relay
box).
• Check harness
for open or short
between cruise
control module
and fuse & relay
box.
2
CHECK GROUND CIRCUIT.
1) Turn ignition switch OFF.
2) Measure resistance between harness con-
nector terminal and chassis ground.
Connector & terminal
(B94) No. 6 — Chassis ground:
Is the measured value less than the speci-
fied value?
10
Ω
Power supply and
ground circuit are
OK.
Repair harness.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст