2004 SUBARU FORESTER Service Repair Manual

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Page 577 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-9
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Subaru Select Monitor
5. Subaru Select Monitor
A: OPERATION
1. GENERAL
The on-board diagnosis function of the cruise control
system uses an external Subar

CC(H4SO)-9
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Subaru Select Monitor
5. Subaru Select Monitor
A: OPERATION
1. GENERAL
The on-board diagnosis function of the cruise control
system uses an external Subaru Select Monitor.
The on-board diagnosis function operates in two cat-
egories, which are used depending on the type of
problems;
1) Cruise cancel conditions diagnosis:
(1) This category of diagnosis requires actual
vehicle driving in order to determine the cause,
(as when cruise speed is cancelled during driv-
ing although cruise cancel condition is not en-
tered).
(2) Cruise control module memory stores the
cancel condition (Code No.) which occurred dur-
ing driving. When there are plural cancel condi-
tions (Code No.), they are shown on the Subaru
Select Monitor.
CAUTION:
The cruise control memory stores not only the
cruise “cancel” which occurred (although “can-
cel” operation is not entered by the driver), but
also the “cancel” condition input by the driver.
The content of memory is cleared when igni-
tion switch or cruise main switch is turned OFF.
2) Real-time diagnosis:
The real-time diagnosis function is used to deter-
mine whether or not the input signal system is in
good order, according to signal emitted from
switches, sensors, etc.
(1) Vehicle cannot be driven at cruise speed be-
cause problem occurs in the cruise control sys-
tem or its associated circuits.
(2) Monitor the signal conditions from switches
and sensors.
2. CRUISE CANCEL CONDITIONS DIAG-
NOSIS
1) Prepare the Subaru Select Monitor kit.
2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge into Subaru Select Monitor.
RATION TOOL, General Description.>
4) Connect the Subaru Select Monitor to data link
connector.
(1) Data link connector is located in the lower
portion of the instrument panel (on the driver’s
side).
(2) Connect the diagnosis cable to data link con-
nector.
5) Start the engine and turn the cruise control main
switch to ON.
CC-00028
CC-00029
ME-00325

Page 578 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-10
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Subaru Select Monitor
6) Turn the Subaru Select Monitor switch to ON.
7) On the Main Menu display screen, select the {All
System Diagnosis} and press [YE

Page 579 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-11
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
6. Diagnostic Procedure with Symptom
A: SYMPTOM CHART
Symptom Repair area Reference
1Cruise control main switch is
not

CC(H4SO)-11
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
6. Diagnostic Procedure with Symptom
A: SYMPTOM CHART
Symptom Repair area Reference
1Cruise control main switch is
not turned ON. (1) Check the power supply. nostic Procedure with Symptom.>
(2) Check the cruise control
main switch. MAIN SWITCH, Diagnostic Procedure with Symptom.>
2Cruise indicator light does not
illuminate.Check the cruise indicator
light. LIGHT, Diagnostic Procedure with Symptom.>
3Cruise control cannot be set. (1) Check the SET/COAST
switch. COMMAND SWITCH, Diagnostic Procedure with Symp-
tom.>
(2) Check the stop light switch
and brake switch. AND BRAKE SWITCH, Diagnostic Procedure with Symp-
tom.>
(3) Check the clutch switch
(MT model). MODEL), Diagnostic Procedure with Symptom.>
(4) Check the inhibitor switch
(AT model). (AT MODEL), Diagnostic Procedure with Symptom.>
(5) Check the vehicle speed
sensor. SOR, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
(6) Check the motor drive
system. MOTOR, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
(7) Check the motor clutch
drive system. CLUTCH, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
4Vehicle speed is not held
within set speed ±3 km/h (±2
MPH). (1) Check the vehicle speed
sensor. SOR, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
(2) Check the motor drive
system. MOTOR, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
(3) Check the motor clutch
drive system. CLUTCH, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
5Vehicle speed does not
increase or does not return to
set speed after RESUME/
ACCEL switch has been
pressed.(1) Check the RESUME/
AC CEL switch. COMMAND SWITCH, Diagnostic Procedure with Symp-
tom.>
(2) Check the motor drive
system. MOTOR, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
(3) Check the motor clutch
drive system. CLUTCH, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
6Vehicle speed does not
decrease after SET/COAST
switch has been pressed. (1) Check the SET/COAST
switch. COMMAND SWITCH, Diagnostic Procedure with Symp-
tom.>
(2) Check the motor drive
system. MOTOR, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
(3) Check the motor clutch
drive system. CLUTCH, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>

Page 580 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-12
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
7Cruise control is not released
after CANCEL switch has
been pressed. (1) Check the CANCEL
switch. <Ref. to CC(H4SO)

Page 581 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-13
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
B: CHECK POWER SUPPLY
TROUBLE SYMPTOM:
Cruise control can be set normally, but indicator does not come on. (When main s

Page 582 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-14
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK POWER SUPPLY.
1) Turn the ignition switch to OFF.
2) Disconnect the cruise control module har

Page 583 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-15
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
C: CHECK CRUISE CONTROL MAIN SWITCH
TROUBLE SYMPTOM:
Cruise control main switch is not turned ON and cruise control can

Page 584 of 2870

SUBARU FORESTER 2004 Service Repair Manual CC(H4SO)-16
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Diagnostic Procedure with Symptom
Step Check Yes No
1 CHECK CRUISE CONTROL MAIN SWITCH
CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the cr

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