fuel MAZDA PROTEGE 1992 Workshop Manual

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

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)

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

DIAGRAM Z
rl PARTS NAME
-
PA ,K
SECTION T
CIGARETTE LIGHTER ............................................
I-1
CIRCUIT OPENING RELAY ..............................
B-l&Pa
I CLUTCH
SWITCH .............................................. B-lc
CONDENSER ................................................. B-la.2a
CONDENSER FAN ..................................................
G
CONDENSER
FAN RELAY ....................................... G
COMBINATION
SWITCH .................................... E-l.2
COOLING FAN MOTOR .....................................
B-3,4
COOLING
FAN RELAY ........................................ B-3,4
COURTESY LAMP ................................................
l-3
CPU .................................................................... l-2
CRUISE CONTROL
MAIN SWITCH ........................... Q
CRUISE
CONTROL SWITCH .................................... Q
CRUISE CONTROL UNIT ......................................... Q 0 ACTUATOR ........................................................... Q
A/C RELAY ........................................................... G
t A/C SWITCH .........................................................
G
t AIRFLOW METER .......................................... B-lc,Pc
t ALTERNATOR .....................................................
A-2
I AUDIO SYSTEM .....................................................
J
@BACK-UP LIGHT .................................................. F-3
BACK-UP LIGHT SWITCH
..................................... F-3
I
BLOWER MOTOR ...................................................
G
h BLOWER SWITCH ..................................................
G
I BRAKE FLUID SWITCH ...........................................
C
BUCKLE SWITCH .............................................
l-2, S
@I DIAGNOSIS CONNECTOR .......................................
U
DIGITAL CLOCK
................................................... l-l
DIODE ..................................................................
G
DISTRIBUTOR ...............................................
B-l b,2b
DOOR CATCH SWITCH .......................................... S
DOOR
SPEAKER ..................................................... J
DOOR SWITCH ....................................................
l-2
DRL CONTROL UNIT ............................................
E-3
DRL RELAY .........................................................
E-3
ORL RESISTOR ....................................................
E-3
ENGINE CONTROL UNIT
.................................... B-1.2
ii@ FLASHER UNIT ....................................................
F-l
FRONT TURN LIGHT ............................................
F-l
FUEL METER
......................................................... C
FUEL
TANK UNIT .......................................... B-la,2a
HAZARD SWITCH ...............................................
F-l _
HEADLIGHT .....................................................
E-l.2
HEADLIGHT RELAY .............................................
E-2
h HIGH
MOUNT STOPLIGHT ....................................
F-2
h HOLD SWITCH .................................................. B-2c
4 HORN .................................................................
F-3
! HORN RELAY
...................................................... F-3
HORN SWITCH ....................................................
F-3
0 IC REGULATOR ..................................................
A-2
-L
T-S INDEX
PARTS NAME SECTION
IGNITER ........................................................ B-la,2a
IGNITION COIL ..............................................
B-la.2a
IGNITION KEY CYLINDER LAMP .............................
l-2
IGNITION KEY REMINDER SWITCH ........................ l-2
ILLUMINATION LAMP
A/C SWITCH ..................................................... l-4
AT SELECT
....................................................... l-4
AUDIO SYSTEM
................................................. l-4
BLOWER SWITCH .............................................
l-4
CIGARETTE LIGHTER
......................................... l-4
CRUISE CONTROL
MAIN SWITCH ....................... l-4
HAZARD SWITCH .............................................
l-4
INSTRUMENT CLUSTER
..................................... l-4
REAR WINDOW DEFROSTER SWITCH
................. l-4
INHIBITOR SWITCH .................................... A-l, B-2c
INJECTOR ....................................................
B-1 b,2b
INSTRUMENT CLUSTER ..........................................
C
INTERIOR & SPOT LAMP .......................................
l-2
ISC VALVE ...................................................
B-1 b,26
@ LICENSE PLATE LIGHT .........................................
E-4
LIMIT SWITCH .......................................................
S
481 MAGNETIC
CLUTCH .............................................. G
MAIN RELAY (FUEL INJ) ................................
B-la,Pa
@ NEUTRAL SWITCH ............................................
B-lc
@ OIL PRESSURE SWITCH ..........................................
C
OXYGEN SENSOR ......................................... B-la.2a
@ PANEL LIGHT CONTROL .......................................
l-4
PARKING BRAKE SWITCH ......................................
C
PASSIVE SHOULDER BELT CONTROL UNIT
.............. S
PASSIVE SHOULDER BELT
MOTOR .......................... S
POSITION LIGHT .................................................
E-4
POWER DOOR LOCK MOTOR
............................... K-2
POWER DOOR LOCK RELAY
................................. K-2
POWER DOOR LOCK SWITCH
.............................. K-2
POWER
OUTSIDE MIRROR ...................................... L
POWER OUTSIDE MIRROR MOTOR
.......................... L
POWER OUTSIDE MIRROR SWITCH .........................
L
POWER STEERING PRESSURE SWITCH ........... B-l b.2b
POWER WINDOW MAIN SWITCH .........................
K-l
POWER WINDOW MOTOR ...................................
K-l
POWER WINDOW SWITCH
.................................. K-l
@ REAR TURN LIGHT ..............................................
F-l
REAR SiDE MARKER LIGHT ..................................
E-4
REAR
SPEAKER ......................................................
J
REAR WASHER MOTOR ......................................
D-3
REAR WINDOW DEFROSTER
................................. I-1
REAR WINDOW DEFROSTER SWITCH ....................
I-1
REAR WIPER MOTOR
.......................................... D-3
REAR WIPER & WASHER SWITCH
........................ D-3
REFRIGERANT PRESSURE SWITCH
.......................... G
RESISTOR ASSEMBLY ............................................
G

PAWS INDEX
‘ARTS NAME SECTION
@ SHIFT-LOCK UNfT .................................................. H
SHORT CONNECTOR ........................................ B-3,4
SLIDING SUNROOF ................................................ M
SLIDING SUNROOf MOTOR .............................. l-2. M
SLlDlNG SUNROOF RELAY ..................................... M
SLIDING SUNROOF SWITCH ............................. l-2, M
SOLENOID VALVE
EC-AT ........................................................... 8-2~
PRESSURE REGULATOR CONTROL .............. B-l b,2b
PURGE CONTROL ...................................... B-l b.2b
VICS ........................................................ B-lb,Sb
SPEED SENSOR ..................................................... C
SPOT LAMP ......................................................... l-2
STARTER ........................................................... A-l
STARTER INTERLOCK SWITCH ............................ A-l
STOPLIGHT SWITCH ....................................... F-2, Q
STOPLIGHT ........................................................ F-2
@ TACHOMETER.. ...................................................... C
TAILLIGHT .......................................................... E-4
TAILLIGHT RELAY ............................................... E-2
TEMP METER ....................................................... c
THERMOSWITCH ................................................... G
THROTTLE SENSOR ...................................... B-lc.2~ 1 PARTS NAME SECTION
TRUNK COMPARTMENT LAMP
r ~~~~~~
.............................. l-3
TRUNK COMPARTMENT LAMP SWITCH ................. l-3
TURN SWITCH ....................................................
F-l
@WARNING LAMP
BEAM ................................................................ C
BELTS ...............................................................
C
BRAKE
............................................................... C
CHARGE ............................................................
C
CHECK .............................................................. C
FUEL ................................................................. C
HAZARD ............................................................
C
HOLD ................................................................ C
OIL ....................................................................
C
TURN ................................................................
C
WASHER
............................................................
C
WASHER LEVEL SENSOR
........................................ C
WATER THERMOSENSOR ........................... B-l b,2b,C
WATER THERMOSWITCH ................................. B-3.4
WINDSHIELD WASHER
MOTOR .........................
D-l .2
WINDSHIELD WIPER
MOTOR ............................. D-l,2
WINDSHIELD WIPER & WASHER SWITCH .......... D-1.2
WINDSHIELD WIPER RELAY ................................. D-2