Subaru Forester 2004 - Basic Diagnostic Procedure

CC(H4SO)-2
CRUISE CONTROL SYSTEM (DIAGNOSTIC)
Basic Diagnostic Procedure
1. Basic Diagnostic Procedure
A: PROCEDURE
Step Check Yes No
1 START DIAGNOSIS.
1) Perform the pre-inspection. <Ref. to
CC(H4SO)-5, INSPECTION, General Descrip-
tion.>
2) Check the cruise control main switch opera-
tion.
Is the cruise control main
switch turned ON?
Go to step 2. Go to symptom 1.
<Ref. to
CC(H4SO)-11,
SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
2 PREPARE SUBARU SELECT MONITOR. Is Subaru Select Monitor avail-
able?
Go to step 3. Go to step 4.
3 PERFORM CRUISE CANCEL CONDITIONS
DIAGNOSIS.
Perform the cruise cancel conditions diagno-
sis. <Ref. to CC(H4SO)-9, Subaru Select Mon-
itor.>
Is DTC indicated? Go to “List of Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
CC(H4SO)-27, List
of Diagnostic Trou-
ble Code (DTC).>
Go to step 4.
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 5. Go to symptom 2.
<Ref. to
CC(H4SO)-11,
SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
5 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)?
Go to step 6. Go to symptom 3.
<Ref. to
CC(H4SO)-11,
SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
6 CHECK RESUME/ACCEL OPERATION.
Check the RESUME/ACCEL operation.
Does the vehicle speed
increase or return to set speed
after RESUME/ACCEL switch
has been pressed?
Go to step 7. Go to symptom 4.
<Ref. to
CC(H4SO)-11,
SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
7 CHECK SET/COAST OPERATION.
Check the SET/COAST operation.
Does the vehicle speed
decrease after SET/COAST
switch has been pressed?
Go to step 8. Go to symptom 5.
<Ref. to
CC(H4SO)-11,
SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>
8 CHECK CANCEL OPERATION.
Check the CANCEL operation.
Is the cruise control released
after CANCEL switch has been
pressed?
Go to step 9. Go to symptom 6.
<Ref. to
CC(H4SO)-11,
SYMPTOM
CHART, Diagnos-
tic Procedure with
Symptom.>