Cfi Self Diagnostic System - Honda Goldwing GL1200L 1985 Manual

CFI System
Self-Diagnostic System
The comp,utE~r
memory includes some fail-safe functions and
a
self-diagnosis program with
a
series of
LED's
on the
comp,utE~r h~)uS,lng
side.
These indicators to indicate
nrclhll'!m!':
in the SV!~tAms and components listed
below.
The
includes
a LED
o:::.",lf."I,.,,,,,..,kin'l"I
function. The five LED's and the
fueI6Y::Hem
VlJlt;lm,inn
for about .5 seconds after the switch is turned ON. The LED's can be inspelcted
from its
mount
should
remain
ON
ren10\lling the com-
( ) : Blinking • : On Off
DISPLAY
:3 2. 1 0 W
lOCATION
PROBLEM FAil-SAFE FUNCTION
PBR sensor
PBl sensor
Throttle sensor
ECU
(1"1
sensor)
T1 sensor
Tw Sensor
#2. 4 cylinder
injectors
#1, 3 cylinder
injectors
()OOct
e
Ns sensor
.. Open circUit
.. Shorted signal wire
.. Open circuit
.. Shorted signal wire
.. Open circuit
.. Shorted signal wire
Faulty ECU
(P1
sensorl
Open circuit
.. Shorted signal wire
.. Open circuit
.. Shorted signal wire
.. Open or short circuit
(NOTE I}
(NOTE 2)
.. Open or short circuit
(NOTE 1)
(NOTE 2)
.. Open circuit
.. Shorted signal wire
(NOTE 1)
PBl sensor output is used. When PBl sensor is faulty.
NE-Oth
mllp is used for bolh inteclion lind ignilion liming.
PBR sensor oulput is used. When paR sensor is faulty,
NE-Oth
map is used for controlling fuel injection lind
ignition liming.
NE-Pa
map is used for controlling fuel and igni-
tion timing. When PI! sensors are also fuel dis-
charge duration and ignition timing are both fixed.
1"1 is fixed to 760 mm (30 in) Hg
Tl is fixed to 25"C (77°F) .
Tw is fixed to 85°C (185
0
F)
Fuel injection and ignition timing are both stopped.
Fuel injection and Ignition liming are both stopped.
Fuel injeclion and ignilion timing are both stopped.
()O()()
e
Gl sensor
.. Opan circuit
.. Shorted signal wire
(NOTE
11
Normal fuel injeclion and ignition liming control occur
on GR signals. When bolh Gl and GR sensors are faulty,
fuel injection and timing control are stopped.
()
GR sensor
.. Open circuit
.. Shorted signal wire
(NOTE 1)
Normal fuel injection and timing control lire done by
signals from GL sensor. When both andGR sensors
are fuel injection and timing are stopped.
NOTES:
1. LED indicators for
turned and not
and NR/NL sensors will turn off when the
is
ra-started,
switch is
In- when
both injE~ct,ors
in
either bank
fail
sirrluit:anElOusly
a
short circuit.
open circuit wll!
however, for a
Indicators fOr injElctlJrS
dicators
will
LED's
will
blink
altEII'nI:ltellv when indlcaiting
more
than
one
prClblElm,
10-6