Subaru Impreza 2004 Service Manual page 218

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DB: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(H4DOTC)(diag)-
47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-39, Inspec-
tion Mode.>.
• WIRING DIAGRAM:
B134 ECM
16
B72
1 2
3 4
SBF-4
IGNITION
SWITCH
B72
AT 12
11
T3
B12
AT
B14
STARTER
MOTOR
E
B134
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
EN(H4DOTC)(diag)-297
BATTERY
SBF-1
P R N D 3 2 1
12
7
T7
B12
1 2 3 4
5 6 7 8
9 10 11 12
ENGINE (DIAGNOSTICS)
E
T7
1 2 3 4 5 6
7 8 9 10 11 12
EN-00338