Subaru XT 1988 Service Manual page 339

2-7
FUEL INJECTION SYSTEM
Checking Harnesses and Connectors
Related to Trouble Codes
When a trouble code is outputted in the read memory mode
but not in the D·check mode, check the affected harness and
connector terminal as described below.
CHECKING TERMINALS OF CONTROL UNIT
CONNECTOR (BODY SIDE)
1) When terminals are not locked securely, insert into con-
nectors until they lock.
2) When terminals are considered to be open:
(1)
Method of determining
"OK"
or "Faulty":
a. Pull out the terminal from the connector (body
side).
b.
Insert this terminal (female) into the terminal
(male) of the connector (control unit).
c. Check "pull" force required to disconnect the
female terminal from the male terminal.
If the terminal is loose, it is "faulty".
(2) When terminals are faulty:
Pinch the terminal using a pair of nose pliers. If the
terminal is still loose, replace it or the harness ASSY.
SYMPTOMS RESULTING FROM POOR CONTACT OF CONTROL UNIT CONNECTOR TERMINALS
AND RELATED TROUBLE CODES
Terminal Lead
1')10'-
color
1 YR
2 W
3 GL
4 YL or GY
5
B
6 L8
7 R
8
*8
**G
9 WB
10
BR
11
-
12
*w
**R
13
-
14 YW
15 GY
16 BR
* 1800 cc model only
** 2700 cc model only
Trouble
Symptom resulting from poor terminal contact
code
-
No change occurs.
23 Engine stalls during idle. It can be restarted. Problems do not occur while driving.
35
No change occurs.
-
No change occurs.
Engine runs at low speed and sometimes stalls during idle. It can be started but idle
-
speed is low.
Engine stalls during idle. It cannot be restarted if affected circuit remains opened.
-
Engine lacks power while driving.
11
Engine stalls during idle. Shock is felt. Engine lacks power (poor acceleration) while
driving.
*11
Engine stalls during idle. Shock is felt. Engine lacks power while driving.
**13
21
SI ight shock is felt while engine is cold but is not felt after warm-up. Driving perform-
ance is affected while engine is cold but is not affected after warm-up.
-
No change occurs.
-
23
Engine stalls during idle. It can be restarted. Problems do not occur while driving.
-
-
- No change occurs.
-
No change occurs.
- No ch ange occu rs.
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