1992 MAZDA 323 section b2

F3 TROUBLESHOOTING GUIDE
3TEI ACTION
Is fuel line pressure correct at Idle?
*
Fuel line pressure: 265-314 kPa
12.7-3.2 kgf/cm’, 38-46 psi]
(Two vacuums hose to pressure regulator
disconnected)
304-392 kPa [ 3.1-4.0 kgf/cm’, 44-57 psi 1
(Upper vacuum hose to pressure regulator
disconnected)
INSTALL CLAMPS Yes Go to next step
No Low pressure
Check fuel line pressure while pinching
fuel return hose
4 If pressure quickly Increases,
check pressure regulator
e If pressure gradually Increases,
check for clogging between fuel
pump and pressure regulator
If hose is not clogged, check fuel
pump maxrmum pressure
Connect System Selector to diagnosis connector
and set Test Switch to SELF TEST; is ignition
tlmlng at idle correct after warm-up?
Ignition timing (BTDC): 10 f lo Yes Go to next step
No Adjust tgnrtkon system
8 Dtsconnect water thermosensor connector; does
engine condrtlon Improve? Yes Replace water thermosensor
No
Try known good ECU. does condltlon
Improve?
w page F3-13
Go to next step
Check if injector resistance is OK
w page F3-42 9 Is jqector operating sound heard at Idle?
Yes
No
Resistance: Approx. 2.11 Q
(at 20°C 168*F])
4 If it is, check wlnng
(ECU - Injector)
c3 If it Is not, replace injector
Go to next step IO
Yes Is engine compressron cprrect?
w Section G
No
Engine compression:
1059 kPa 110.8 kgf/cm2, 152 psi)-300 rDm
is strong blue spark vrslble at each disconnected
hrgh-tension lead?’ Check engine
3 Section B2
17
Yes Go to next step
No Check high-tension lead
w Section G
c3 If UK, check distrrbutor cap and
rotor
3 If not OK, replace htgh-tensron lead
Try known good ‘ECU: does condrtron
Improve7
w page F3-3 12 Are spark plugs.OK?
w Section G
l Wear and carbon butld up l Piug gap l Damage Yes
NO
Clean, adjust
13EOi3.334
F3-32.

TROUBLESHOOTING GUIDE
(at 20% [SS*F])
If It is, check wiring
e If OK, check distributor cap and
rotor
e If not OK, replace high-tensjon lead
12 Are spark plugs UK? Yes Is engine compresston correct? w Section 82
w Section G
. Wear and carbon burld up Engine compression: l Plug gap 1059 kPa 110.8 kgf/cm*, 352 psi I-300 rpm l Damage
4 If OK, go to next step
4 If not OK, check for cause
w Section 82
c
NO Clean, adjust
13 Check for injector leakage Yes
Replace injector
No Go to next step
14 Try known good ECU: does condition improve?
w page F3-45
----- Am.*
F3-34
~ROlJ8L Engine so:
3 Idle-sp.
T> fuel-cL

TURBOCHARGER CONTROL SYSTEM F3
INTERCOOLER
Removal / Installation
1 I Remove the front bumper. (Refer to Section S.)
2. Remove in the order shown in the figure.
3. Install in the reverse order of removal.
7-i-11 N-h l80-110 kgfem, 69-95 In-lbf 1
1.
Air hose 2. Intercooler
wrn 1 kgf-m, ft-lbf I
13EOF3-34:

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

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

M SUPPLEMENTAL SERVICE INFORMATION
SUPPLEMENTAL SERVICE INFORMATION
The foIlowIng points in this section are changed in comparison with Mazda 323 Workshop Manuals
(1206-f O-89F) and (1229-l O-89L).
Front axle
l Removal I Inspection I Installation
l Disassembly I Inspection / Assembly
Rear axle
l Removal / Inspection I Installation l Disassembly / Inspection I Assembly
13EOMX-305
t
,
c
.
c!
M-4
.
r&
-s
FRC
PREF
SST
-m
49 0’
Pulle
--
49 Gl
Atkd
(Part
49 Gc
--
49 FC
I n.stail beam
--
49 F3
Attact
:Part
t 49 FO
--
49 Frl
4ttac P 58 8 : Part < $9 Fcl,
--
a9 G3
nstallt

M FRONT AXLE
WHEEL HUB, STEERING KNUCKLE
RemovaI / Inspection I Installation
1. Remove in the order shown in the figure, referring to Removal Note.
2. Inspect all parts and repair or replace as necessary.
3. InstaH in the reverse order of removal, referring to Installation Note.
Caution
l Loosely tighten the shock absorber bolts. Lower the vehicle and tighten the bolts to the specified
torque with the vehicle unladen.
4. Adjust the front wheel alianment.
16-22 ]1.6-2.3, 12-161 I
19.0-l 2.0, 65-86.7 I
1. Wheel hub nut
2. Wheel and tire
3. Locknut
Removal Note . . . . . . .._.. . . . . . . . . . . . . . . . . . . . page M-7
installation Note .I.........,..,............ page M-7
4. Brake caliper assembly
Service . _. . . . . . . . . ,__. . . , , . ._. _. , , . . . , . ._ ._. . . . . . Section P
5. Disc plate
lnspectioti .~~*.......*~...,......,,,.....*~...~. Section P
6. ABS wheel speed sensor (if equipped)
7. Tie rod end
Removal Note . . . . . . .._.......... I . .._.....= page M-7
lnstallatiofi Note . . .._... _.__......,....... page M-7
M-6
8. Lower ball joint
9. Steering knuckle, wheel hub, and dust cover
Inspect-wheel hub for cracks and damage
Inspect knuckle spindle for cracks and
damage
Inspect dust cuver for damage and dis-
tortion
Disassembly I Inspection I
Assembly . ..C1..............~...,.....,.....
page M-8

REAR AXLE
WHEEL HUB, KNUCKLE
Removal I Inspection / installation
1. Remove in the order shown in the figure, referring to
Removal Note. 2. Inspect all parts and repair or replace as necessary.
3. Install in the reverse order of removal, referring to Installation Note.
Caution
l Loosely tighten the shock absorber bolts. Lower the vehicle and tighten the bolts to the specified
torque with the vehicle unladen.
4. Adiust the rear wheel alianment.
16-22 1?.6-2.3, 12-16 I
7
IO.o-13.0,
66-66.7 1 1. Wheel and tire
2. Locknut
Removal Note..; . . . . . . . . , . . . . ,.......- -.. page M-f 3
Installation Note .._...,.,...._.__........ page M-13
I$ Brake caliper assembly
Service . . . . . . . . . . . ..e......._......... ,.,...,....
Section P
4. Disc plate
‘Service ..I....................__....... . . . . . . . . . Section P 5. Af3S wheel speed sensor (if equipped)
6. Wheel hub, knuckle
Disassembly I Inspect& /
Assem bty . . . . . . . ..I..........*..*.*...-... page M-14
Inspect wheel hub and knuckle for damage
or cracks
Inspect dust cover for damage or defor-
mation
M-12