Subaru B9 TRIBECA WX 2007, Руководство пользователя

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IM(diag)-20
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
D: DTC P1572 IMM CIRCUIT FAILURE (EXCEPT ANTENNA CIRCUIT)
DTC DETECTING CONDITION:
Communication failure between body integrated unit and ECM
WIRING DIAGRAM:
Step Check Yes No
1 CHECK BODY INTEGRATED UNIT POWER
SUPPLY CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the harness connector from
body integrated unit.
3) Measure the voltage between body inte-
grated unit harness connector terminal and
chassis ground.
Connector & terminal
(B280) No. 7 (+) — Chassis ground (–):
(B281) No. 2 (+) — Chassis ground (–):
Is the voltage 10 V or more? Go to step 2 . Check the harness
for open or short
circuit between
body integrated
unit and fuse.
2 CHECK BODY INTEGRATED UNIT POWER
SUPPLY CIRCUIT.
1) Turn the ignition switch to ON. (Engine OFF)
2) Measure the voltage between body inte-
grated unit harness connector terminal and
chassis ground.
Connector & terminal
(i84) No. 1 (+) — Chassis ground (–):
Is the voltage 10 V or more? Go to step 3 . Check the harness
for open or short
circuit between
body integrated
unit and ignition
switch.
MAIN SBF
SBF-8
SBF-3
BATTERY
F/B No.12
IGNITION
SWITCH
A1
B28 B18
C9 C2 B7 C8
E
F/B No.7
M/B No.8
BODY INTEGRATED UNIT
i84 A:
B280 B:
B281 C:
B22
5 6 7
8
2 1
9
4 3
10
24 22 23 25
11 12 13 14 15
26 27 28
16 17 18 19
20 21
B281 i84
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 32 33 34 35
5 4 6 7
8
2 1
9
3
10
22 23
11 12 13 14 15
24 25 26 27
16 17 18
28 29
19 20
21 30
B280 A: C: B: B136 C:
C26 C34
B136 C: ECM
IM-00142
16 10 11 12 13 14 15
25 24
30
9 8 7
17 18 19 20
28 21 22 23
29 32 31
1 2 3 4 5 6
27 26
33 34 35
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