1992 MAZDA PROTEGE Workshop Manual

VE Batmy voltage
1 Ve: Battery vm
i
Remark
Termfnal Input Output Connection lo
Test conditkm
colmct voltage Remark
2W
0 Iscvalve lgmtian swdch ON
Approx. iv
-
Idle Appror. 9v
2x
0 Solenoid valve
lgnitlon switch ON
VS
(Purge control) -
IUk
VB
2Y - - -
-
-
@i switch
)N le
I!
C
4
-C
,
,
e
”
3
-C
.
f
-
-
-
)nition switch
)N I I I
I I
I -
22 - - -
- -
-
-
-
luilt in airflow
1eter
lnition swttch
)N
-
VICS: Vata&
Inertia charging
SYStem loaHCl
-
Engine Signal
Monitor: Green
and red lamps
flash
mnin
2H
- I Main relay (w=w I Ignition switch ON
VB
_/I/ - I -
I - 21
25
-7 I - I -
I - , I t 0 Air-flow meter constant
4.5-5.5v 2K
I I I
I
0 I 1 Thr0tlle sensor Accekrator pedal r&eased
4.5-5-W
I I (Power switch)
Accelerator pedal fuUy depessed ov
2M
l-l - I -
-
I -
0 oxygen sensw Ignitia switch ON
ov
Idle (Cold engine) ov
Idle (After “ram-up)
O-l .ov
Increasing engine speed (After warm-up) 0.5v-1 .ov
oeceleratlon
0-0.4v
0 Airflow meter Ignition switch ON
Ap~rox 3 8L
ldk Approx. 3.3 2N
20
2P
0 Intake air ther- Ambient air temperature 20°C (68” F)
mosensor
W W Ap&xox 2 5V
0 water thermosensor Enaine coolant temperature 20°C (68°F)
ADDTOX 2.5\( 20
2R
2s
,.
After “am-up B&w 0 5v
I I I I
- - - - -
0 Sdenoid valve Engine speed below 5.000 rpm Below 1 5v
ww
Engine speed above 5.000 rpm VB
2T I 0 lsolertoid valve
I60 jDOHCl/l20 ISOHCI seconds after en- 1
/ I--
temperature abo& 56°C (136 o F)
(OOHC]/SO”C (122°F) (SOHC]
0 Injector (Nos. 1.3) Other condition at idle VB
Ignition switch ON
Vt7
Idle
VB‘ 2u
2v Engine speed above 2.000 rpm on
decderation (After warm-up) Ve
0 Injector (NOS. 2. 4) Ignition swatch at id& VB
idle
VS.
Engine speed above 2,000 rpm on
deceteratiin (After warm-up) VS

L WIRINQ DIAQRAM
EGI EC-AT HENGINE CONTROL SYSTEM 6 EC-AT CONTROL SYSTEM(1/3) <>. .DoHC 0 .ChNADh b-2
THERMOSWITCH
(SECTION 8-41 MAIN
- -
INSTRUMENT CLUSTER
+ Y/L (EM)
I I I I
Q
I
DIAGNOSIS CONNECTOR
(SECTION u)
II R/L
(EM)
1 ;
2-01 ENGINE CONTROL UNIT (EM)
162-02 MAIN RELAY (ET
1” IS 10 10 IM 1K 31 IG 1E IC 1A
x w G G/B G/R “,$%G,‘Y G/W Y/B V L/R
x R/W 0/L O/L L/Y C/B B/L R/B W/B w/y W/R
,” ,T 117 ,P IN 3L IJ 1H IF 10 16 20 2M 2K 21 26 2E 2C 2A
/L W/L R/B -G/ W/E L/W R/L W
R/Y Y/L * “t R/%-G/k B/G R
2P 2N 2L 2J 2H 2F 2D 28 3Y 3W 3U 35 30 30 3M 3K 31 36 3E 3C 3A (FUEL INJ)
0 L/O Y 3c L/O * G/O *
BpJY/W Y 3/L B/O
L L/Y Y/B * x * * *
* Y/R yp’ 3/B B/O
32 3X 3V 3T 3R 3P 3N 3lL 3J 3H 3F 30 38
2-03 CIRCUIT OPENING 82-04 FUEL TANK UNIT(R) 82-05 IGNITER (EM1 82-06 CONDENSER (EM) 82-07 IGNITION COIL (EM)
RELAY iEM)
B/G
B 82-08 OXYGEN SENSOR (EM)
z-34

HARNESS COLOR : FRONT- ENGINE - REAR - WIRING DIAGRAM ;
I
E

WIRINQ MAQRAM
o...DoHc
EGI EC-AT mENGINE CONTROL SYSTEM &i EC-AT CONTROL SYSTEM(2/3)
~II;~CONTROL
(SECTION E-3) @+...-BR/w IF) ~BR/W (EM) 1
~~~~j @--- Y/B (F) s Y/B (EM) 1
3F ENGINE CONTROL UNIT
1E
CANADA DOHC
31 3M 3u 3V 2E IL 10 IH 1P 1Q
2A IN 3Q 20
2-01y==---- --~-- _._----.-. ------~---
I I
I I
x? G/O
GM, Y/B
(EM) (EM) I I I
L/Y [FM
MAIN RELAY (FUEL INJ)
(SECTION B-2a) A/C RELAY ILL~l
(SECTION LA&
G)
I-4) Gl
i 1
b 26
REAR
WINDOW
(SECTION DEFROSTER
SWITCH
(SECTION
25 I-l)
\IATIONSTOPLIGHT
SWITCH
3N
(SECTION
F-2) lMIl
‘S
:TII
82-09 DISTRIBUTOR (EM)
2-01 ENGINE CONTROL UNITCEM)
20 2M 2K 21 2G 2E 2C 2A 3~ 3w 3” 3s 3~ 30 3M 3K 31 36 3~ 3C 7A
-I 1
I I I , __ , ,, .,- ,, f 1 I I,
,“I 11 1 ,^ 1 1 I ,” I ., I: B/R 1 v I,.,
I v lb ,I c _ 11: ,S 113 10
IM IK 11 1G 1E
1~ 1A
* W
* R/W B/L O/L~L/Y[L/BIB/LIR/BIW/B(IYY/YIU(/R
3” IT IR IP ,N IL IJ 1H IF 3D lF?
z-10 POWER STEERING
PRESSURE SWITCH (Fl W/L W/L R/BFG/qW/UIL/WIH/Li W
k”,, -L_ .A _ ,, I_ ,^ , _
R/YY/LI * (-‘;--pH/kpqwb( H 1 L L/1 ‘,tl,, * , * , x , * , * , m ,‘,“, * IF’“” ‘,“‘V
2P 2N 2L 2J 2H 2F 20 28 32 3x 3V 37 ~~ ~- --’ -’ -‘ -” 7r =” =(1 3R 3P 39 3L zw 311 Jr JY _I”
I 62-13 SOLENOID VALVE ~2-14
INJECTOR No.t(INJ) 82-15 INJECTOR N0.3(INJ) 82-16 INJECTOR N0.2(INJ)
(PRESSURE REGULATO 82-11
I
EC
VALVE
82-11
12-25 SOLENOID VALVE
wrcs) (INJ)

.2b J
1
-
z-37 *.* .,..,. . . ..__.. -.---.

: WIRINQ MAQRAM
70...UOHC
EGI EC-AT
aENGINE CONTROL SYSTEM Cz EC-AT CONTROL SYSTEM(3/3) 0 -CANADA
b -2c
MAIN
%,E,$$$?@&?%(F,
4
GNITION
WITCH
IGSTRUMENT METER
CLUSTER 15A
BACK-UP LIGHTS
(SECTION F-3)
~~~~$~ z,s:EM @-- B/L (F) -0lL (EMi -
5>82-0 1
2P IM
ENGINE CONTROL UNIT 3G 3H
3E IR
:EPT
21 28 2K 2F IT (
Y2-01~==----~-------------~--‘---‘-~~-----~------
B/LG %/%R
(EM) IEM)
1
E/;
:
6 3A
?
‘-01 ENGINE CONTROL UNITfEM) A-02 INHIBITOR SWI!$y
III 1s 10 10 1M IKm 3 IG IE 1C IA 20 2M
2K 21
26 2E 2C
2A
*
W G G/B G/R (Bc) G/ G/W
x llWWlR/I In/LJL/YIL/B B/L R/B
i
3~ 3~ 3” 35 3~ 30 34 3K 31 36 3E 3C
3A
0 L/O Y X L/O * G/O * /L e/o
L L/Y Y/B * * * * * * Y/R @y’ /% a/o
IN 3F 30 38 1 1 ’ I 5 1 n *a
. .
. .
I .’ II’ “‘l-‘-l-’ -I-. 1
’ ’ ’ ” ’ ’ I . . *...
iv ,T ,R IP IN iL IJ ,ti 1F 10 IB 2P 2N 2~ 2J 2H 2F 20 28 32 3X 3”
3T 3A 3P 3N 3L 33 3
1-19 AIRFLOW METER (EM) 82-20 THROTTLE SE+Op 182-23 HOLD SWITCH&+
ttM1 1 162-24 SOLENOID VALVE (EC-AT) &INHIBITOR SWITCH iF)
I
A
__ .._..... -. .._ __._. _ __..... .., .___....__.._ __.. _..~ . . .._...., . . . .

/ I
323 HATCHBACK
JOINT BOX A-02 //pig
INHIBITOR B&19 Bi-23
HOLD SWITCH
i JB-07 MAlNSE
R% JOINT BOX (WW (BLACK)
82-23 HOLD SWITCH
PROTEGi
z-39

Terminal vdt
wminal lrput
1A -
1B 0
-
1C 0
1D e (ATX) ve: aattefy voltage
1
Connected to
I Test wndition ~cwrect rc4t.gej F&W*
-
0
-
-
3attery
Uain r&y
:FUEL INJ relay) Constant
tgnition swdch V% For backt@
OFF ov
ON V6
Ignition swtch
(START)
Self-Diagnosis
Checker
[monitor lamp)
3 - White crankii npprox 1ov
fgnition switch ON ov
Test swtch at “SELF-TEST’ With Self-
Lamp illuminated for 3 sec. after igmtmn 4.5-5.w Diagnosis Check-
switch OFF-+ON er and System
Selector
Lamp net illuminated after 3 Sec. VS
Test swtch at “02 MONITOR” at idle
i Monitor lamp illuminated 4.5-55v
Test switch at “02 MONtTOR” at idfe
Monitor lamp not illuminated
Malfunction indicator
lamp illuminated for 3 sec. after ignition
Below 2 5v With System
lalllp switch OFF+ON selector test
WLI switch at
Lamp not luminated after 3 sec. VE
“SELF-TEST”
lamp ifluminated BelOW 2.w
Lamp not illuminated VS
Self-Diagnosis Buzzer sounded for 3 sec. after ignrtion
l With Self-
Checker switch OFF-+ON Below 2.5V
Diagm!3s
(code number) Checker and
Buzzer not sounded after 3 set VB
system
Select0 Buzzer sou&?d Below 2 5v l With System
Selector test
I Buzzer not sounded
tgmter Ignition switch ON ov
Idle Appror 0 2v -
Headlight switch Headlights ON
f VB
-
Headlbhts OFF ! ov
Diagnosis
connector
, System Selector test switch at
VS Ignition witch
“02 MONITOR” ON
(TEN terminal)
Rear window
defroster switch
Ground Icalifornia) System Selector tesf switch at
“SELF-TEST”
Rear window defroster watch OFF
Rear window de!roster watch ON
ConSlant QV
ov lgmhon switch
__ ON
VO
ov
- Main relay (canadal fgmtion switch ON VB
AC relay Ignitiin switch ON VB
A/C switch ON at Idle Below 2.5% -
Vehicle speed A/C switch OFF at Gle
/ Vehicle stopped
P/S pressure
switch lgmhon switch ON
P/S ON at idle Iturnino)
I.
P/S OFF at idle I VB Terminal voltage v‘s: Battery vottage
I I
1
Terminal input Output Connected to Test condition comcl voltage Remark
10
0 A/C swatch AIC switch ON Befow25V ignition switch
ON and blower
A/C switch OFF VB I
motor ON
IP
ii Blower control Blower control swtch OFF or 1 St poSItion VB tgnibon switch
switch ON
Blower control switch 2nd or higher
ov
position
1Q
0 Stopltght switch Brake pedal released Below 1 ov
-
IT <; Brake pedal depressed VE
lnhtbitor switch N or P range ov Ignition switch
(P N range) ON
Other ranges VB
Cruise control man Set or Resume swtch ON or vehicle speed lgmhon swtch
switch 8kmih &mph) lower than preset speed &tow 1 5~ ON
(Drwng vehcfe crwse cantrol
OperatiOn)
Fk
z 1v -
3A ’ Throttle Sensor
(Idle switch) Normal conditions
Accelerator pedal released
Accelerator pedal depressed “8
Bebw 1 ov lgnihon swatch
ON
VS
I -
-
- - -
-
-
- - -
D&rib&r
-‘. / b / / (Ne-signal) lgmtion swtch ON
/ ,,,, Approx. OV
or 5v
-
Approx 2v
I ._.
/
28 1
AdlOw meter lgmhon switch ON
Approx 3 BV .,
-
Idle Approx 3 3V
2c j r:
I \’ oxygen sensor fgmtson switch ON ov
1
20 Idle (cold englIIei
Idle (after warn-up)
lncreasma enwe speed (after warm-up) ov
O-l ov -
0 w-1 .ov
_ -
,
Deceleration o-o 4v
Coolmg fan swtch Fan operahng (engine coolant temperature
over 97°C (207’F) or diagnosis connector DV
termmat TFA grounded) -
Fan not operatmg (idle)
Water thermosensor Engine codant temperature L” %, I”” I , ‘Y”8’.“” . . . ...-1.
After warm-up
I
Thrnttb SP”SOi 1 Accelerator pedal released Approx 0.5V
2G .._..._ --..--
-
Accelerator pedal fully depressed Approx. 4 OV
0 ATF thermosensor -XPC (-2o”~)--1x1~c (302°F) aprxox as5-~m lgmhon swtch
ON
ATF temp 20°C (68°F) Approx. 4.6V
13OOC (266°F) Aporox 1.54V
I I I I I I
2H / i, I / Hold switch Hold mode Below 2V Ingbhon switch
Normal mode