Subaru 2002 IMPREZA Service Manual page 878

DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)
B: STARTER MOTOR CIRCUIT
CAUTION:
After repair or replacement of faulty parts, conduct CLEAR MEMORY and INSPECTION MODES. <Ref.
to EN(w/oOBD)-30, OPERATION, Clear Memory Mode.> and <Ref. to EN(w/oOBD)-28, OPERATION,
Inspection Mode.>
• WIRING DIAGRAM:
B135 ECM
28
B72 B12
1 2 3 4
1 2
5 6 7 8
3 4
9 10 11 12
Step
1 CHECK OPERATION OF STARTER MOTOR. Does the starter motor oper-
2 CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
<Ref. to EN(w/oOBD)-26, OPERATION, Read
Diagnostic Trouble Code (DTC).>
SBF-4
IGNITION
SWITCH
B72
AT
B12
AT
B14
STARTER
MOTOR
T7
1 2 3 4 5 6
7 8 9 10 11 12
EN(w/oOBD)-44
BATTERY
SBF-1
INHIBITOR SWITCH
P R N D
12 12
11 7
T3 T7
B135
1 2 3
8 9
10 11 12 13 14 15
20 21 22 23 24 25
Check
ate when the switch starts?
Is the DTC stored in memory?
<Ref. to EN(w/oOBD)-63,
LIST, List of Diagnostic Trou-
ble Code (DTC).>
3 2 1
4 5 6 7
16 17 18 19
26 27 28
Yes
Go to step 2. Go to step 3.
Record the DTC. Go to step 3.
Repair the trouble
cause. <Ref. to
EN(w/oOBD)-66,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>
EN0862
No