MAZDA 323 1992 Suplement Manual Online
Manufacturer: MAZDA, Model Year: 1992, Model line: 323, Model: MAZDA 323 1992Pages: 279, PDF Size: 24.15 MB
Page 81 of 279

F3 CONTROL SYSTEM 
Ve: Battery voltage 
Termina 
1N ’ 
10 
1P 
IQ 
IR 
IS 
1T 
tlJ 
IV Jnput Outpul 
0 
0 
0 
0 
0 
0 
0 
0 
0 Connected to 
Throttle sensor 
(idle switch) Test condition 
Correct voltage Remark 
Accelerator pedal released 
Below 1.0V 
lgnltlon switch 
Accelerator pedal depressed 
VI3 ON 
Foglrght relay 
P/S pressure 
switch Fogtight switch ON 
Fogfight switch OFF 
Ignition switch ON 
P/S pressure switch ON at Idle 
PIS pressure switch OFF at idle Va 
ov 
V3 
Below 1 .OV 
VB - 
- 
A/C switch A/C switch ON 
A/C switch OFF Below 23 Ignition switch 
Va ’ ON and blower 
motor ON 
1 f Ekctrtc cooltng fan Fan operating (coolant temperature over 
Below 1 .OV 
switch 
97OC 1207OF 1 or diagnosis connector 
terminal TFA grounded) - 
Fan not operating (Idle) 
VI3 
Blower control Blower control switch OFF or 1st position 
.Va 
swbtch Ignitton switch 
Blower control switch 2nd or hjgher po- 
Below 1 .OV ON 
sition 
Rear window 
defroster switch Rear window defroster OFF 
Rear window defroster ON Below 1 .OV Ignition switch 
V0 ON 
Headlight switch 
Headfights ON Va 
Headlights OFF - 
Below 1.OV 
Neutral/Clutch 
Neutral position or clutch pedal 
9eJow I .OV 
switches 
depressed 
Others 
Va 
7 
r u-. 
I-I-I 
f 
2y 2w 2u 2s 20 20 2M 2K 21 2G 2E 2C 2A 1U 1s 10 10 1M 1K 11 rG IE tC ;A 
22 2% 2V 2T 2R 2P ZN 2L 25 2H 2F 2D 28 tV 1T ‘IR IF 1N It ;J. IH IF ID 18 
i 
A 
F3-48 
-- Alwa@ 
Always 
Always 
Always 
-- 
Always 
-- 
Always 
-- 
Always 
-- 
Always 
-- 
Always 
(electric 
-- 
Alway<; 
-- 
Always 
-e 
Afway?; 
I .ov 
Always 
-- 
Always 
-- 
Alway:; 
--  
Page 82 of 279

-. _.. . . . . . _ - ._. 
-w 
CONTROL SYSTEM F3 
I . 
-. 
Ve: Battery voltaae I 
Incorrect voltage 
Atwafi below 1 .OV 
Always VB 
Always VS (foglight switch OK) 
Always below 1 .OV 
Always below 1 .OV 
Always Vs 
Always 
below 23 (blower fan OK) 
Always VB (blower fan OK) 
Always below 1 .OV 
(electric cooling fan OK) - 
1- 
Possible cause 
l Throttle sensor mrsadjustment l Short circuit in wtrrng from throttle sensor to ECU terminal 1 N l ECU malfunction 
l Throttle sensor mrsadjustment l Open circuit in wiring from throttle sensor to ECU terminal fN l Open circuit in mnng from throttle sensor to ECU terminal 20 
l Foglight relay malfunctron 
l Foglrght relay malfunction 
l P/S pressure switch maltunctron l Short crrcurt In wrrlng from P/S pressure switch to ECU terminal 1 P l ECU malfunction 
l P/S pressure switch malfunction l Open circuit in wlnng from P/S pressure switch to ECU terminal 7 P l Open circuit in wiring from P/S pressure switch to ground 
l A/C switch malfunctron l Short circuit tn wiring from A/C switch to ECU terminal 1Q l Poor connection at ECU connector l ECU malfunction 
l #C swatch malfunction l Open circuit in wiring from A/C switch to ECU terminal 1Q l Open circuit in wiring from A/C switch to blower control switch 
l Open or short circuit in wiring from fan relay to ECU terminal 1R l ECU matfunction 
Always below 1 .OV (blower fan OK} 
Always Vs (btower fan OK) 
Always betow illumination lamp 
1 .ov ON when rear 
window defroster 
switch ON 
Illumination lamp 
never ON 
Atways below 1 .OV (headttghts OK) 
l Short circuit in wrrtng from blower control switch to ECU terminal IS l Poor connection at ECU connector l ECU m&function 
l Open crrcuit in wrrrng from blower control switch to ECU terminal 1s 
l Open or short crrcuit In wiring from rear window defroster switch to ECU 
terminal t T 
l Open circuit in wiring from ignitron switch to rear window defroster switch l Rear window defroster switch malfunction 
l Open or short circuit in wiring from headlight relay to ECU terminal 1 U 
Always below 1 .OV 
l Neutral switch malfunction l Clutch switch malfunction l Short circuit in wiring from ECU terminal IV to neutral or clutch switch 
Always VB 
l Neutral switch malfunction l Clutch switch malfunction l Open circuit in wiring from ECU terminal 1V to neutral or clutch swdch l Poor connection at ECU connector 
13FOl=3-36 . 
F3-49 
.:i  
Page 83 of 279

F3 CONTROL SYSTEM 
Vs: Battery voltage 
‘erminat Input Output Connected to Test condition 
Correct voltage Remark 
2A’ - - Ground (i nlector) Constant CIV - 
26 - - Ground (output) Constant ov - 
2C - - Ground (CPU) Constant ov - 
2D - - Ground (input) Constant ov - 
2E 0 Distributor Ignition switch ON QV or 5v 
{NE-slgnal) - 
f 
r ldte 
Approx. 2V 
2F - - - - 
- - 
2G 0 Dstributor Ignition switch ON 
ov or 5v 
(G signal) 
ldte Approx. 1.5V 
a-l -I- - - 
- - 
21 - - - - - - 
23 0 Knock control unit Idle Approx. 4.W - 
I 
2K 0 Throttle sensor/ Constant 4.5--5SV 
Airflow meter 
- 
2L cl 
2M 0 Speedometor 
sensor 
Throttle sensor Ignition switch UN 
Accelerator pedal released 
Accelerator pedal fully depressed 0 or 5V 
Approx. 0.W 
Approx. 4.W 
- 
2N 0 
20 0 
2P 0 
2Q 0 
2R Oxygen sensor Ignition switch ON ov 
Idle (cold engine) ov 
Idle (after warm-up) o- 1 .ov - 
Increasing engine speed (after warm-up) 0.5-l .ov 
Deceleration o--0.w 
Airflow meter ignition switch ON Approx. 3.W 
- 
Idle Approx. 3.OV 
Intake air Ambient air temperature 2O*C (68*F) Approx. 2.5V In arrflow meter 
thermosensor 
Water Engine’cooiant temperature 20°C (68OF) Approx. 2.W 
thermosensor - 
After warm-up Below 0.5V 
0 Turbocharge Ignition switch ON VS 
indicator - 
7 
r u-l 7 c Ul I-' 
2y ?A’ 2u 25 20 20 2M 2K 21 ?G 2E 2C 2A 1u 1s 10 10 1M ?K 11 1G 1E 1C 1A 
22 2x zv 2T 2R 2P 2N 2L 2J 2H 2F 20 28 1V 1T tR tP 1N IL 1.1 1~ qF 10 1~ 
F3-50 
L -- 
4b&e ( 
-- 
Alway: 
-a 
-- 
Always 
-- 
-- 
-- 
Always 
-- 
Always 
-- 
Below L 
-I 
-- 
Always 
-- 
Alway:, 
Alway:; 
Alway:; 
-- 
Alway:; 
-- 
Always 
-- 
Always 
-- 
Always 
Always  
Page 84 of 279

CONTROL SYSTEM F3 
VS: Battery voltage 
Incorrect voltage Possible cause 
Ab&e OV 
l Poor contact at ground terminal l Open circuit in wiring from ECU to ground 
Always approx. OV or approx. 2V 
l Refer to Code No. 02 Troubleshooting 
(Refer to 323 Workshop Manual (l203-lo-89F)) 
Always approx. OV or approx. 1.5V 
l Refer to Code No, 03 Troubleshooting 
(Refer to 323 Workshop Manual (1203-lo-89F)) 
Always OV 
Always OV 
- - 
l Refer to Code No. 05 Troubleshooting 
(Refer to 323 4-Wheel drive Workshop Manual (1229-10-891)) 
l Short circuit in wiring from ECU terminal 2K to throttle sensor, or airflow 
meter 
l Poor connection at ECU connector l ECU matfunctlon 
Below 4.5V or above 5.5V 
- 
l ECU matfunction 
l Refer to section 1 
Always OV 
l Throttle sensor malfunction l Short circuit in wlnng from ECU termrnal 2M to throttle sensot l Poor connection at ECU connector 
. ECU malfunction 
Always approx. 5V . Throttle sensor misadjustment 
l Open circuit in wiring from ECU terminal 2D to throttle sensor 
Always constant 
l Open circuit in wiring from ECU terminal 2M to throttle sensor 
. Open circurt in wiring from ECU terminal 2K to throttle sensor 
l Open circuit in wiring from ECU terminal 2D to throttle sensor 
Always above 1V 1 . Throttle sensor mtsadjustment 
Always OV (after warm-up) 
Always approx. IV (after warm-up) 
l Refer to Code No. 15 Troubleshooting 
(Refer to 323 Workshop Manual (1203-I O-89F)) 
l Refer to Code No.17 Troubleshooting 
(Refer to 323 Workshop Manual (1203-lo-89F)) 
Always OV or approx. 5V 
l Refer to Code No. 08 Troubleshooting 
(Refer to 323 Workshop Manual (t203-lo-89F)) 
Always OV or approx. 5V 
Always OV or approx. 5V 
l Refer to Code No. 10 Troubleshooting 
(Refer to 323 Workshop Manual (l203-lo-89F)) 
l Refer to Code No. 09 Troubleshooting 
(Refer to 323 Workshop Manual (1203-10.89F)) 
Always OV 
I 
l Indicator broken l Open or short circuit In wiring from ECU 2R to ignition switch 
13EOF3-36; 
F3  
Page 85 of 279

F3 CONTROL SYSTEM 
Terminal Input Dutpui 
2s - 0 
2T 0 
2U 0 
2v 0 
2w 0 
2x 0 
2Y 0 
22 0 t 
I, Ve: Battery voltage I I I Connected to Test condition 
Correct voltage Remark 
Overboost warning lgnitron switch ON 
VB 
- 
buzzer 
Solenoid valve 
(PRC low temp.) 180 sec. after engrne started with coolant Below 1.W No-load engine 
temperature is above 9O*C { 194*F ] and condition 
intake air temperature IS between 40°C 
1104*FJ and 50°C {122OF 
f Other condition at idle 
I VS 
tnjector {Nos. 1, 3) Ignition switch ON VS 
Idle V0’ 
I Engine speed above 2,000 rpm during 
I Ve 
deceleration (after warm-up) 
Injector (Nos 2, 4) Ignition switch 
ON VS 
Idle VS’ * Engine Signal 
Monrtor: Green 
and red lamps 
flash 
ISC valve Engine speed above 2,000 rpm during VS 
deceleration (after warm-up) 
Ignition switch ON Approx. 7V 
- 
Idle 1 Approx. 9V 
Solenoid valve 
(purge control) Ignition switch ON 
Idle V0 
- 
VB 
Ci rcuit-opening 
relay ignition switch ON 
tdle 1 VB 
I 8elow l.OV - 
Solenotd valve 
(PRC high temp.) 210 sec. after engine started wrth coolant Below 1.5V 
temperature above 90°C ]194*F] and 
Intake atr temperature above 50°C 
f t22*F1 No-load engine 
cond$on 
1 Other condition at idle 
I VB 
I - 
7 I PI 
I l-1 t 
r 
2'f 2W 2U 25 iQ 20 &A 2K 21 2G 2E 2C 2A 1U 1s 10 10 1M 1K 11 tG If 1C 1A 
F3-52 -- 
A/w& 
-- 
Alway 
-- 
Alway 
-- 
Alway 
-- 
Alwaj 
-- 
Alwa f 
-- 
Alwas] 
-- 
Alwa I’  
Page 86 of 279

VB: Battery voltage 
Incorrect voltage Possible cause 
Always OV 
l Open or short &curt in wirtng from ECU terminal 25 to buzzer 
Always OV or VB 
l Refer to Code No.25 Troubleshooting (Refer to page F3-18) 
- 
Always OV l Main relay (FUEL INJ relay) malfunction l Open or short crrcult rn wlnng from Injector to ECU termtnal 2U or 2V 
Always Va 
l ECU matfunctlon 
Always OV or VB 
Always OV or VB 
Always OV 
Atways OV or VB 
l Refer to Code No.34 Troubleshooting 
(Refer to 323 Workshop Manual (1203-t O-89F)) 
l Refer to Code No.26 Troubleshooting 
(Refer to 323 Workshop Manual (1203-lO-89F)) 
l Open or short circuit in wiring from ECU terminal 2Y to relay 
l Refer to Code No. 35 Troubleshooting (Refer to page F3-18) 
F3-53  
Page 87 of 279

ENGINE ELECTRICAL SYSTEM 
OUTLINE ................................................... G- 2 
SPECIFICATIONS .................................... G- 2 
SUPPLEMENTAL SERVICE tNFORMATlON .m G- 2 
13EOGX-30 t 
G  
Page 88 of 279

G OUTLINE, SUPPLEMENTAL SERVICE INFORMATION 
SPECIFfCATfUNS 
Item 
8attery 
Dark current Voltage 
Type and capacity Engine 
v 
(20-hour rate) 
mA BP DOHC 
12 
55D23L (60Ah) 
Max. 20 
Type Output V-A f “‘i j.,: i .:.. ‘:.. ,, j j.: i.‘: ;:;:i :j;&?.:. .: .:. 
__ : . . s.i-....‘:‘:. _.. j ;.’ 
Regulator type Transistorized (built-in IC regulator) 
Regulated voltage v 
14.1-14.7 
I 
C?*..*rlrrrl 
Brush length mm [rn] }e 21.5 (0.846) 
8.0 10.315) 
I Drive belt deflection I 5.5-7.0 { 0.22-0.27 ) 
mm (intB8N (lOkgf,22Ibf) usea 6.0-7.5 (0.24-0.29 1 
Limit 8.0 (0.311 
, Type Direct 
Starter Output v*$# : : ;..;. ‘:‘.. ._ .; : :‘: 7.: 
.. .::“:.:j 1 ,5 
. . . . .j$$g;g$y .“. :yy 
Brush length mm {in] - Standard 17 [0.67] 
Minimum 
11.5 IO.4531 
Dlstnbutor soark advance Electronic soark advance (ESA) 
@EN termind of diagnosis connector grounded) II) f lo 
I 1 Prtmary coil 
**4 nn* 
Ignltbon co11 Reststance 3 
(at 20°C [68*F]) 
in IO-16 kQ  lgnrtlon timing BTDC f ar 
wrndfnb 
I 
Secondary 1 
coil WindIn.. v.0 I 
--v.yy 1 
Spark plug NGK 
NIPPONDENSU 
Firing oraer 
*Standard pfug 
SUPPLEMENTAL SERVICE INFORMATION 
The following points shown in this section are changed in comparison with 323 Workshop Manual 
(1203-l O-89F) and 323 Workshop Manual Supplement (I 275-l O-91 C). 
l Alternator . Starter 
Specifications Specifications 
l Spark plug 
Specifications 
13EGGX-303 
G-2  
Page 89 of 279

CLUTCH 
1 FEATURES 1 
OUTL!NE 
.................................................. 
OUfLlNE OF CONSTRUCTION 
................. 
;I f SPECIFtCATlONS 
.................................... 
H- 2 
13EOtiX-301 
H 
3 
, 
1 
$ 
i 
r’ :  
Page 90 of 279

OUTLINE 
OUTLINE OF CONSTRUCTlON 
l A hydraulic clutch control mechanism IS used. 
l The basic construction is the same as the previous 323 BP DOl-fC turbo models, except that the thickness 
of clutch disc. 
t3EOHX-302 
SPECIFICATIONS 
I Clutch control 
1 Hydraulic 
I 
Clutch cover 
Type 
Set load N [kgf, lbf] Diaphragm spring 
5,494 (560, 1,232) 
Outer dlarneter mm {in) 
230 19.05) 
1 
1 Inner diameter mm {in) 1 
155 [6.10] 
Clutch disc Pressure plate side 
mm {ini 3.5 (0.14) 3.2 [0.13] 
1 Thickness 1 I 
I 
_ Flywheel Btde 
mm {in1 . 3.5 (0 14) 
3.2 (0.13j 
Type Suspended 
Pedal ratio 6.55 
Clutch pedal 
Full stroke mm ijn] 
I 135 t5.311 
1 
I Hetght (With carpet) 
mm tin{ 196-204 { 7.72-6.03 1 
1 Clutch master cylinder 1 tnner dtameter mm [in] 15.87 10.625) 
I 
1 Ctutch release cylinder 
1 Inner diameter mm {in) 
I 19.05 [0.7501 
I 
Clutch fluid SAE 31703 or FMVSSI 16 DOT-3 
1 
13EOHX-303 
H-2