Subaru Legacy III (2000-2003 year). Service manual — part 379
EN(H6DO)-318
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
CN:DTC P1518 — STARTER SWITCH CIRCUIT LOW INPUT —
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
• TROUBLE SYMPTOM:
• Failure of engine to start
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H6DO)-54, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)-47, OPERATION, Inspec-
tion Mode.>.
EN(H6DO)-319
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
• WIRING DIAGRAM:
EN-01082
12
INHIBITOR SWITCH
STARTER
MOTOR
7
P
R
N
D
3
2
1
SBF-4
SBF-1
B14
12
11
T7
T3
B12
B134
T7
1 2 3 4 5 6
7 8 9 10 11 12
16
B134
ECM
BATTERY
1 2 3 4
10 11 12
19 20 21
13
5
6
14 15
7
8 9
16 17
18
22
1
3
B72
IGNITION
SWITCH
B12
1 2 3 4
5 6 7 8
9 10 11 12
B72
3 4
1 2
EN(H6DO)-320
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Step
Value
Yes
No
1
CHECK OPERATION OF STARTER MOTOR.
Place the select lever in the “P” or “N” range.
Does starter motor operate when turning igni-
tion switch to “ST”?
Starter motor operates.
Repair harness
and connector.
NOTE:
In this case, repair
the following:
• Open or ground
short circuit in har-
ness between
ECM and starter
motor connector.
• Poor contact in
ECM connector.
Check starter
motor circuit. <Ref.
to EN(H6DO)-72,
STARTER
MOTOR CIR-
CUIT, Diagnostics
for Engine Start-
ing Failure.>
EN(H6DO)-321
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
MEMO:
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