Subaru XT 1988 Service Manual page 362

FUEL INJECTION SYSTEM
TROUBLE CODE (15): FUEL INJECTOR [2700cc model]
Control unit
Fig. 84
51 WR
52 WR
Check if trouble code is out·
putted in D-check mode.
!
YES
Turn ignition switch OFF
(engine off).
1
Disconnect test mode
connector.
~
Disconnect control unit con-
nectar.
!
Check if voltage across body
and terminals 51 (WR) and 52
(WR) of connector (body side)
is greater than 10 V.
~
YES
Check if terminals 51 and 52
are open or disconnect.
!
NO
Replace control unit.
NO
Check terminals of
control unit.
(See page 56.1
NO
YES
1 R ' . I
l
epalr termlna .
<§)
WR
WR
WR
WL
R
RY
R
R
@)
Fuel injector
No, 1
®
Fusible link
@
rl
Disconnect injector connectors
#1 and #2.
!
Check if resistance between
NO
terminals of each injector is
13 - 14.5
n.
~
YES
Check if voltage across body
and power terminals (R) and
NO
(RY) of connector (body side)
is greater than 10 V.
~
YES
Disconnect engine harness
connector from body
harness connector.
~
YES
Check if voltage across
terminal (R) of body harness
NO
connector and body is greater
than 10 V.
!
YES
Repair harness from engine
harness connector to injector.
79
2-7
Fuel injector
No.2
@J)
(Black)
(j1B
L2-1501
1 Replace fuel injector.
Repair harness from
fuel injector and
control unit.
Repair harness from
battery to body
harness connector.