TROUBLESHOOTING
GUIDE F
15 ENGII{E STALLS ON OECELERATION
DESCATP-
Tro
.Engine
unexpectedly
stops running wh le deceleraling or aJter decelerallon
.
ldle
condition nor,ral
rrRouBLEsHooTtNG
H|NTSI
Engine speed drops loo much when
releasing accelerator or
poor
conneclor connection
d
sconnected
by deceleralion
O
Dashpor misadjusted
@
Fuel cut
control
mallunclion
@
ldle
speed
misadjustment
INSPECTION ACTION
ls rdle conditon normal?
Adjust or
perlorm
trou bleshoot
ng
Nos. 8-11 RoUGH IDLE"
,-
pag"
l-?9
ls dashpoi correclly
adjustecl?
13
p.ge
F-104
Dashpol set speed: 2,500
+
1O0 rpm
3
|s
"00"
dlspLayed
on Seli Diagnosis Checker
with
gnltion
switch ON?
sYsTEM SELECT:1
r:'
page
F-67
Mallunclion Code No. dlsplayed
Check
ror cause
{Befer
to sDecified
check
sequence) rj
page
F-7o
"88"
tlashes
Check
ECU teminal 1F vollage u
page
F-111
Voltage: Approx. t2V
(bnirion
switch oN)
+
lr OK, replace ECU F
page
F-112
+
ll nol OK, check wring between
ECU and Se r'Diagnosis Checker
Are air bypass sojenoid valves
OK?
SOLENOI
voLut
-@-ll
5 Are ECU terminal voliages
OK?
(Especialy
1B,2lV,20
and 2\4
G
page
F-112
Checklor cause
-
page
F-115
F-117
F-l19
6
ls
there
poor
connection at eilher ol lollowing?
.
lgnilion
coil
.
lsniter
.
Dislribulor
.
C rcuit opening relay
.
ECU
Try known
good
ECU
Does condilion
improves?
F-41
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