Mazda 121 - Terminal Voltage

F
CONTROL
SYSTEM
Terminal
voltage
(reterence data)
f6r|rrlntl
Input Ouipul
Connecilon
to
Te€t condillon
Canpct
volrge
Rsmatt
Batlery
Constani
Batery
vollage
]B o
iFUEL
INJ re ay)
lgniljon switch
OFF
ON
Batlery
vohage
1c
o
lgnltion
swich
(STABI)
gnition
switch
ON
1D o
Self-Diagnosis
Checker
(Monilor
lamp)
Tesr switch al
"SELF-TEST"
Lamp
illuminated
lor 3 sec afler
ignilion
switch
OFF*ON
With Selt
Diagnosis Check-
Seleclor
Lamp
not illuminaled atter 3 sec.
Banery
vollage
Tesr swilch at
"O2
MONITOF aI
idle
Monltor lamp
illuminated
Test switch at
"O2
MONITOF aI
idle
Montor lamp nol
iluminaled
Batlery
vo[age
o
SellD
agnosis
Checker
(Cod€
Number)
Buzzer sounded
lor 3 sec. afler
gnitDn
swltch
OFF*ON
Below
2.5v
Diagnosis
System
S€leclor
Buzer
not sounded atter
3 sec.
Banery
lotage
Below 2.5V
Batiery voltage
o
lgniter
(in
d strlbutoo
lgn,ron sw tch ON
ldle
Apprcx.
0.5V
1H
o
C rc'rit
openlng
lgnition swilch
ON
Batery
volage
STABT
Below
1.0V
ON
idle)
]J o
IJC
relay
lgnition swilch ON
Batiery
vollage
ldle
A/C ON
Below 2.5V
Batery voltage
o
Dlagnosis
(TEN
term nal)
Sysiem Selector
lest swilch at
"02
MONITOR"
Baltery
voltage
System Se ector
iest swltch al
,,SELF.TEST''
Below
l.0v
]L
l lvl o
lgnlion swilch ON
1N
10
o
Stopllght swilch
Brake
pedal
r€ eased
Bslow
1.0V
Brake
pedal
depressed
Batery volage
o
lgnil on switch
oN
Battery votage
P/S
oN ar idle
Below
1.0V
P/S
OFF at dle
Batery
vo[age
F-l 14