SUBARU FORESTER 2004 Service Repair Manual

CC(H4SO)-33
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
C: DTC 28 WIRING HARNESS OPENED.
Step Check Yes No
1 CHECK BATTERY.
Measure the battery specific gravity of electro-
lyte.Is the battery specific gravity
more than 1.260?Go to step 2.Charge or replace
the battery. Go to
step 2.
2 CHECK FUSES, CONNECTORS AND HAR-
NESSES.
Check the condition of fuses, and harnesses
and connectors. Also check for proper ground-
ing.Is there anything unusual
about the appearance of fuse,
harness, connector and
grounding?Repair or replace
the faulty par ts.End of inspection.

CC(H4SO)-34
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
D: DTC 35 AND 36 ACTUATOR MOTOR
DIAGNOSIS:
Open or poor contact of cruise control actuator motor.
TROUBLE SYMPTOM:
Cruise control cannot be set. (Cancelled immediately.)
WIRING DIAGRAM:
CC-00036
B7B94
12345612345678910
11 12 13 14 15 16 17 18 19 20
E
B7
B94
CRUISE CONTROL
MODULE
CRUISE CONTROL
ACTUATOR
11
7
51314
415236

CC(H4SO)-35
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK POWER SUPPLY.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
cruise control actuator.
3) Turn the ignition switch to ON.
4) Turn the cruise control main switch to ON.
5) Measure the voltage between cruise control
actuator harness connector terminal and chas-
sis ground.
Te r m i n a l s
(B7) No. 4 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2.Check the harness
for open or short
between cruise
control module
and cruise control
actuator.
2 CHECK GROUND CIRCUIT OF ACTUATOR.
1) Turn the ignition switch and cruise control
main switch to OFF.
2) Measure the resistance between cruise
control actuator harness connector terminal
and chassis ground.
Te r m i n a l s
(B7) No. 6 — Chassis ground:Is the resistance less than 10
Ω?Go to step 3.Repair the har-
ness.
3 MEASURE RESISTANCE OF ACTUATOR.
Measure the resistance of cruise control actua-
tor motor.
Te r m i n a l s
No. 4 — No. 1:
No. 4 — No. 2:
No. 4 — No. 5:Is the resistance approx. 5 Ω? Go to step 4.Replace the cruise
control actuator.
Actuator.>
4 CHECK HARNESS BETWEEN ACTUATOR
AND CRUISE CONTROL MODULE.
1) Disconnect the harness connector from
cruise control module.
2) Measure the resistance between cruise
control module harness connector terminal
and cruise control actuator harness connector
terminal.
Connector & terminal
(B7) No. 1 — (B94) No. 7:Is the resistance less than 10
Ω?Go to step 5.Repair the har-
ness.
5 CHECK HARNESS BETWEEN ACTUATOR
AND CRUISE CONTROL MODULE.
Measure the resistance between cruise control
module harness connector terminal and cruise
control actuator harness connector terminal.
Connector & terminal
(B7) No. 5 — (B94) No. 5:Is the resistance less than 10
Ω?Replace the cruise
control module.
Cruise Control
Module.>Repair the har-
ness.

CC(H4SO)-36
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
E: DTC 37 ACTUATOR MOTOR CLUTCH
DIAGNOSIS:
Open or poor contact of cruise control actuator motor clutch.
TROUBLE SYMPTOM:
Cruise control cannot be set. (Cancelled immediately.)
WIRING DIAGRAM:
CC-00036
B7B94
12345612345678910
11 12 13 14 15 16 17 18 19 20
E
B7
B94
CRUISE CONTROL
MODULE
CRUISE CONTROL
ACTUATOR
11
7
51314
415236

CC(H4SO)-37
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK POWER SUPPLY.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
cruise control actuator.
3) Turn the ignition switch to ON.
4) Turn the cruise control main switch to ON.
5) Measure the voltage between cruise control
actuator harness connector terminal and chas-
sis ground.
Te r m i n a l s
(B7) No. 4 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2.Check the harness
for open or short
between cruise
control module
and cruise control
actuator.
2 CHECK GROUND CIRCUIT OF ACTUATOR.
1) Turn the ignition switch and cruise control
main switch to OFF.
2) Measure the resistance between cruise
control actuator harness connector terminal
and chassis ground.
Te r m i n a l s
(B7) No. 6 — Chassis ground:Is the resistance less than 10
Ω?Go to step 3.Repair the har-
ness.
3 MEASURE RESISTANCE OF ACTUATOR
CLUTCH.
Measure the resistance of cruise control actua-
tor clutch.
Te r m i n a l s
No. 3 — No. 6:Is the resistance approx. 39 Ω? Go to step 4.Replace the cruise
control actuator.
Actuator.>
4 CHECK HARNESS BETWEEN ACTUATOR
AND CRUISE CONTROL MODULE.
1) Disconnect the harness connector from
cruise control module.
2) Measure the resistance between cruise
control module harness connector terminal
and cruise control actuator harness connector
terminal.
Connector & terminal
(B7) No. 2 — (B94) No. 13:Is the resistance less than 10
Ω?Go to step 5.Repair the har-
ness.
5 CHECK HARNESS BETWEEN ACTUATOR
AND CRUISE CONTROL MODULE.
Measure the resistance between cruise control
module harness connector terminal and cruise
control actuator harness connector terminal.
Connector & terminal
(B7) No. 3 — (B94) No. 14:Is the resistance less than 10
Ω?Replace the cruise
control module.
Cruise Control
Module.>Repair the har-
ness.

CC(H4SO)-38
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
F: DTC 38 MOTOR DRIVE SHAFT DOES NOT ENGAGE PROPERLY.
G: DTC 39 MOTOR IS OVERLOADED.
Step Check Yes No
1 CHECK ACTUATOR MOTOR.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
cruise control actuator.
3) Remove the cruise control actuator from
mounting bracket.
4) Pull the cable by hand to check for loose-
ness or status of inner gear engagement.Are foreign particles caught in
the inner gear or does inner
gear engage and disengage
improperly?Replace the cruise
control actuator.
Actuator.>Check the cruise
control cable
adjustment. to CC(H4SO)-5,
CABLE FREE
PLAY, INSPEC-
TION, General
Description.>
Step Check Yes No
1 CHECK THE OPERATING CURRENT TO AC-
TUATOR MOTOR.
1) Connect the Subaru Select Monitor to data
link connector.
2) Try to drive the vehicle while operating the
cruise control system.
3) Measure the operation current to the cruise
control actuator motor.
Connector & terminal
(B7) No. 4 — Chassis ground:Is the voltage more than 10 A? Replace the cruise
control module.
Cruise Control
Module.>Check the power
supply circuit.
CC(H4SO)-13,
CHECK POWER
SUPPLY, Diagnos-
tic Procedure with
Symptom.>

FUJI HEAVY INDUSTRIES LTD. G8080GE7
2004 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX
BODY SECTION
This service manual has been prepared
to provide SUBARU service personnel
with the necessary information and data
for the correct maintenance and repair
of SUBARU vehicles.
This manual includes the procedures
for maintenance, disassembling, reas-
sembling, inspection and adjustment of
components and diagnostics for guid-
ance of experienced mechanics.
Please peruse and utilize this manual
fully to ensure complete repair work for
satisfying our customers by keeping
their vehicle in optimum condition.
When replacement of parts during
repair work is needed, be sure to use
SUBARU genuine parts.
All information, illustration and specifi-
cations contained in this manual are
based on the latest product information
available at the time of publication
approval.HVAC SYSTEM
(HEATER, VENTILATOR AND A/C)AC
HVAC SYSTEM (AUTO A/C)
(DIAGNOSTIC)AC
AIRBAG SYSTEM AB
AIRBAG SYSTEM (DIAGNOSTIC) AB
SEAT BELT SYSTEM SB
LIGHTING SYSTEM LI
WIPER AND WASHER SYSTEM WW
ENTERTAINMENT ET
COMMUNICATION SYSTEM COM
GLASS/WINDOW/MIRROR GW
BODY STRUCTURE BS
INSTRUMENTATION/DRIVER INFO IDI
SEAT SE
SECURITY AND LOCK SL
SUNROOF/T-TOP/CONVERTIBLE TOP
(SUNROOF)SR
EXTERIOR/INTERIOR TRIM EI
EXTERIOR BODY PANEL EB

2004 FORESTER SERVICE MANUAL QUICK REFERENCE INDEX
BODY SECTION
G8080GE7
CRUISE CONTROL SYSTEM CC
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)CC(H4SO)
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)CC(H4DOTC)
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)CC(H4DOTC 2.5)
IMMOBILIZER (DIAGNOSTIC) IM

CRUISE CONTROL SYSTEM
(DIAGNOSTIC)
CC(H4DOTC)
Page
1. General Description ....................................................................................2

CC(H4DOTC)-2
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
General Description
1. General Description
A: SPECIFICATION
Specifications for 2.0 L turbo model are included in
CC(H4SO) section. agnostic Procedure.>