Page 609 of 2870
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)
CC(H4DOTC)
Page
1. General Description ....................................................................................2
Page 610 of 2870
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.>
Page 611 of 2870

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
Page 612 of 2870
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
Page 613 of 2870
CRUISE CONTROL SYSTEM
(DIAGNOSTIC)
CC(H4DOTC 2.5)
Page
1. Basic Diagnostic Procedure ........................................................................2
2. General Description ....................................................................................4
3. Electrical Components Location..................................................................5
4. Engine Control Module (ECM) I/O Signal ...................................................6
5. Subaru Select Monitor.................................................................................8
6. Diagnostic Procedure with Symptom ........................................................10
7. List of Diagnostic Trouble Code (DTC) .....................................................13
8. Diagnostic Procedure with Diagnostic Trouble Code (DTC) .....................16
Page 614 of 2870

CC(H4DOTC 2.5)-2
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Basic Diagnostic Procedure
1. Basic Diagnostic Procedure
A: PROCEDURE
Step Check Yes No
1 CHECK MALFUNCTION INDICATOR LIGHT.
Check the malfunction indicator light illumi-
nates.Does the malfunction indicator
light illuminate?Go to step 5.Go to step 2.
2 CHECK CRUISE INDICATOR LIGHT.
Check the cruise indicator light blinks.Does the cruise indicator light
blink?Go to step 5.Go to step 3.
3 CHECK CRUISE CONTROL MAIN SWITCH
OPERATION.
Check the cruise control main switch opera-
tion. (Check the cruise indicator light illumi-
nates.)Is the cruise control main
switch set to on? (Does the
cruise indicator light illumi-
nate?)Go to step 4.Go to symptom 1.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
4 CHECK CRUISE CONTROL SET OPERA-
TION.
Check the cruise control set operation.Can the cruise control be set
while driving at 40 km/h (25
MPH)?Go to step 6.Go to step 5.
5 PERFORM CRUISE CONTROL CANCEL
CONDITION DIAGNOSIS.
Perform the cruise control cancel condition
diagnosis.Are any DTC indicated? Go to “List of
DTC”.
CC(H4DOTC 2.5)-
13, List of Diag-
nostic Trouble
Code (DTC).>Go to symptom 2.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
6 CHECK VEHICLE SPEED IS HELD WITHIN
SET SPEED.
Make sure the vehicle speed is held within set
speed.Is the vehicle speed held within
set speed ±3 km/h (±2 MPH)?
(Make an inspection on a level
road.)Go to step 7.Go to symptom 3.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
7 CHECK RESUME/ACCEL OPERATION.
Check the RESUME/ACCEL switch operation.Does the vehicle speed
increase or return to set speed
after RESUME/ACCEL switch
has been pressed?Go to step 8.Go to symptom 4.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
8 CHECK SET/COAST OPERATION.
Check the SET/COAST switch operation.Does the vehicle speed
decrease after SET/COAST
switch has been pressed?Go to step 9.Go to symptom 5.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
9 CHECK CANCEL OPERATION.
Check the CANCEL switch operation.Is the cruise control released
after CANCEL switch has been
pressed?Go to step 10.Go to symptom 6.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
Page 615 of 2870
CC(H4DOTC 2.5)-3
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Basic Diagnostic Procedure
10 CHECK CRUISE CONTROL RELEASE OP-
ERATION.
Check the cruise control release operation.Is the cruise control released
after brake pedal has been
depressed?Go to step 11.Go to symptom 7.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
11 CHECK CRUISE CONTROL RELEASE OP-
ERATION.
Check the cruise control release operation.Is the cruise control released
after clutch pedal has been
depressed?Go to step 12.Go to symptom 8.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
12 CHECK CRUISE CONTROL RELEASE OP-
ERATION.
Check the cruise control release operation.Is the cruise control released
after shifting to neutral posi-
tion?Finish the diagno-
sis.Go to symptom 9.
CC(H4DOTC 2.5)-
10, SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.> Step Check Yes No
Page 616 of 2870

CC(H4DOTC 2.5)-4
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
General Description
2. General Description
A: CAUTION
1. SUPPLEMENTAL RESTRAINT SYSTEM “AIRBAG”
Airbag system wiring harness is routed near the cruise control command switch.
CAUTION:
All airbag system wiring harness and connectors are colored yellow. Do not use electrical test
equipment on these circuits.
Be careful not to damage the airbag system wiring harness when servicing the cruise control com-
mand switch.
B: PREPARATION TOOL
1. SPECIAL TOOL
2. GENERAL TOOL
C: INSPECTION
1. BATTERY
Measure the battery voltage and specific gravity of electrolyte.
Standard voltage:
12 V, or more
Specific gravity:
Above 1.260
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
24082AA230
(Newly adopted tool)CARTRIDGE Troubleshooting for electrical systems.
22771AA030 SUBARU SELECT
MONITOR KITTroubleshooting for electrical systems.
English:
22771AA030 (Without printer)
German:
22771AA070 (Without printer)
French:
22771AA080 (Without printer)
Spanish:
22771AA090 (Without printer)
TOOL NAME REMARKS
Circuit tester Used for measuring resistance, voltage and ampere.
ST24082AA230
ST22771AA030