MAZDA PROTEGE 1992 Workshop Manual

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

fgnltio” switch ON Ve Battery von%ge
rrmin%l Inpu( Output
Connected to
3u
0 Injector (Nos 1, 3)
I Test condition curact von%ge Remmk r 1 lon~tii switch ON I
I
VB 1 ‘Enaine S~anal
Idle
Engine speed above 2.000 rpm on deceler-
atton (after warm-up) V%
VB Monitor: Green
and red lamps
fksh
3v
3w
3x 0 Injector (Nos. 2. 4) Ignition switch ON VB
tdk VS
Engine speed above 2,000 rpm on dec%kr-
atlo” (after warm-up) VS
ci 1-2 shift soknold Solenoid valve ON V%
whtk during
valve
Soknold valve OFF ov
0 2-3 shrft solenoid Soknold valve ON
V% wh6k during
valve
Solenoid valve OFF ov
3Y
32 0 3-4 shift solenoid Solenoid valve ON
vs while during
valve
Solenoid valve OFF ov
0 Lock up solenoid Solenoid valve ON
V% while during
valve
Soknoad valve OFF ov
i

. . . . L...III. A. .Arn..‘ w lnlrwl UI AUl%Arn
EXCEPT
PROTEGE EC-AT ~COOLING FAN SYSTEM 8-3
MAIN
MAIN RELAY
(SECTION B-la)
THERMOSWITCH
33-01 COOLING FAN 83-02 COOLING FAN 83-03 WATER THERMO-
RELAY (E) MOTOR (F) SWITCH (EM) 83-04 SHORT CONNE”r;;

HARNESS COLOR : FRONT m ENGINE m WIRING DIAGRAM z
FUSE BOX
WATER
THERMOSWITCH
F-EM)
,:
z-43
__....._.. _ . . . . .._........ -. .._ _” .._. . . :..--..-.--, .__.
_.__.__.__.-

: WIRINQ DIAQRAM
PROTEGE EC-AT
aCOOLING FAN SYSTEM
GNITION
WITCH
JB-04
@ .B (F) MAT?., BATTEI
MAIN RELAY
(SECTION B-2al
(E)
I
COOLING FAN
RELAY NO.2 NI
?EL
? .AY
84-06
Q
WATER
THERMOSW
84-06 ‘TTCH
I (SECTION u) - F
B ci)
Y (El
COOLING FAN ,-,
: 54-02
3
B/G’ (F)
04
84-05
ENGINE CONTROL
COOLING FAN UNIT
NO. 3 (SECTION E3-2a)
DOHC -
I DXAGNOSIS
CONNECTOR (3c451
+ DOHC
I
THERMOSWITCH
34-01 COOLING FAN
RELAY NO. 1 (E)
34-05 COOLING FAN
RELAY NO. 3 (F1 34-02 COOLING FAN 84-03 WATER THERMO- 84-04 COOLING FAN
MOTOR (F) SW ITCH (EM) RELAY NO 2 (F)
B4-06 WATER THERMO-
54-07 SHORT CONNECT0
SWITCH (F)
(EM