Subaru 2002 IMPREZA Service Manual page 1492

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
DA:DTC P1560 — BACK-UP VOLTAGE CIRCUIT MALFUNCTION —
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(TURBO)-45, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(TURBO)-42, Inspection Mode.> .
• WIRING DIAGRAM:
• LHD model
MAIN RELAY
4
6
5
3
2
1
B47
E
B72
1 2
3 4
B209
A1 A2 A4 A5
A3
B1 B2 B4 B5
C3
C1 C2 C4 C5
D1 D2 D4
D5
E1 E5
F1 F5
G1G2 G4 G5
H1 H2 H4 H5
H3
I1 I2 I4 I5
J3
J1 J2 J4 J5
TO FRONT OXYGEN (A/F) SENSOR
No.11
A :
B134
C :
B136
ECM
D : B137
E :
B84
B209
F76
F60
E3
E
B47 F60
1 2 1 2 3 4
3 4 5 6 7 8
5 6 9 10 11 12
13 14 15 16
D :
B137
1 2 3 4
5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 27 28 29 30 31
EN(TURBO)-332
2
8
B61 F44
IGNITION
B72
SWITCH
SBF-4
4 1
A :
B134
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
E : B84
1 2 3 4 5 6
7 8 9 10 11 12
13 14 15 16 17
SBF-5
BATTERY
SBF-1
C :
B136
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24
E
EN1429
EN1429