Subaru 1600 Service Manual page 190

4) How to see trouble code
Example: 23
EMISSION CONTROL SYSTEM
10th digit Unit digit Paule Repetition
,..--_"'1'0_--. . . . ,
r,..-........
~-_'~r
. . . . -------"A.------. . . . . ,
ON
(0,
monitor)
OFF
NOTE:
A-0.3
8-0.2
L
The trouble code is displayed
repeatedly.
b. When multiple probleml have oc·
5) List of trouble codes
Trouble
Item
code
12
11
ignition pulse IYS. (NG)
22
(En&tne in OFF)
~ i-
21
23 0 , sensor
sY"
(NG)
32
Thermo sensor 'YI. (NG)
14 Vacuum switch I remainlOFF
41 Vacuum switch I remains ON
24 Vacuum switch II remain. OFF
42
Vacuum switch II remains ON
13
Duty solenoid valve remains OFF
31 Duty solenoid valve remains ON
25 Solenoid valve I remainlOFF
52
Solenoid valve I remains ON
15 ..
Solenoid valve III remain. OFF
51 SOlenoid valve III remain& ON
34 Auto choke power remain. OFF
43
Auto choke power remaina ON
(Unit: sec.l
curred, ell their trouble cod .. are
displayed repeatedly in numerical
order.
Remarks
Carter carbo (sea level mode)
Carter carbo (hlah altitude mode)
Hitachi carbo (sea level mode)
Hitachi carbo (blah altitude mode)
} I. I ... mod •• ""
33 Main Iystem in feedback system (NG) In te.t mode only
6) The self.diagnosing functions for
the EGR system and shift.up control
system are not provided. So one must
carry out checks and make repairs
according to the troubleshooting flow
chart contained herein.
NOTE:
ao Before performing the trouble-
shooting, check if the raspective
connectorl, air hollS and vacuum
hollS are connected property, end
also check all Plrts and electric
wirings for scratch .. or damage.
b. Be lure
to
turn OFF the ignition·
starter switch before replacing a
defective part, and reconnect the
hOlD and connectors completely
after that.
2) Requisites for Checking and
Their Usages
In the section "3) Troubleshooting
chart", requisites for checking and
their usages are as follows.
1) A circuit tester
a. A circuit tester is used to measure
voltage and resistance between
terminals of check connectors (I ,..,
IV) with it connected or discon-
nected.
Fig.
5-46
MeaBuring voltage
(in engine room)
1 Check connector (III)
2 Check connector (IV)
3 Test mode connector
4 ECM
S
0 , monitor lamp
Fig.
5-47
Mflllwring voltage
fir,
passenger room}
A10-200