1990 MAZDA 232 Workshop Manual Suplement

F2 CONTROL SYSTEM
93GOF2-79; 2
93GOF2-793
93GOFZ794
1
OXYGEN SENSOR [BP TURBO]
Inspection
Sensor
1. Warm up the engine to normal operating temperature.
2. Disconnect the oxygen sensor connector.
3. Connect a voltmeter to the oxygen sensor terminal @.
4. Run the engine at 4,500 rpm untiI the voltmeter indicates
approx. 0.7V.
5. Increase and decrease the engine speed suddenly and
measure the vottage.
Voltage
Engme speed Voltage (v-)
Decelerating o-0.4
Accelerating 0.5-l .o 6. Connect the
SSTs to the diagnosis connector.
7. Set the system selector select switch to 1 and the test switch
to 02 MONITOR.
8. Increase the engine speed to
between 2,000 and 3,000
rpm, and verify that the monitor lamp flashes for 10 seconds.
Specification:
Monitor lamp flashes more than 8 times/IO sec.
Heater 1. Disconnect the oxygen sensor connector.
2. Check resistance between oxygen sensor connector ter-
minals @ and 0.
Resistance: Approx.-6& [at 20°C (68OF)]
Replacement 1. Disconnect the oxygen connector. ’
2. Remove the oxygen sensor.
3. Install the new oxygen sensor and new washer.
4. Tighten the oxygen sensor to specified torque.
Tightening torque:
29-49 N-m (3-5 m-kg, 22-36 ft-tb)

CONTROLSYSTEM F2
KNOCK SENSOR
!, -
l The knock sensor and knock control unit cannot be
inspected
individually.
When
a malfunction code number 05 is indicated,
replace.
Replacement
I_ Disconnect the knock sensor connector.
2. Raise the vehicle and support it WI safety stands.
1 93GOF2-797 3. Remove the knock sensor with using the SST
4. Install it in the reverse order of removal.
Tightening torque:
20-34 Nm (2.0-3.5 m-kg, 14-25 ft-lb)
F2-69

G
ENGINE ELECTRICAL SYSTEM
INDEX . ..I 1.. . . . . . . . . . . . . . . . . . . . . . . ..*. . . ..I..... . . . . . ..I...
G- 2
j FEATURES 1
OUTLINE . . . . . . . . . ...*....* .I.............. .I . . . . . . . . . . . . . .
G- 3
OUTLINE. OF CONSTRUCTION ..I... . . . . . . . . . . . G-
3
SPECtFICATiONS . . . . . . . . . . . . ..I............... . . . . . .
G- 3
1 SERVICE 1
SUPPLEMENTAL SERVICE INFORMATION . . G- 4
STARTING SYSTEM
. ..I. . . . . . . . . a.. . . . . . . . . . . . . . . . . . . G- 4
STARTER
l ..I.... . . . . . . . . . . . . . . . . . . l .*.....* .I....... . . . G- 4
CHARGlNG SYSTEM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G- 5
PREPARATION
. . . . . . . . . . . . ..I..-... . . . . l . . . . . . . . 1. . . . . G- 5
ALTERNATOR (RHD)
. . . . . . . . . . . . . . . . . . . . . . . . . . ...*. G- 5
93GOGX-701

G INDEX
1. Starter 93GOGX-702
Removal I Instaltation... ._. . . . . . . , . . ._._, page G-4 2. Alternator (RFD)
Removal I Installation. . . .._.. . . . . . . . . . . . .
page G-5
G-2

OUTLINE G
L
i i-
OUTLINE
OUTLINE OF CONSTRUCTION
The engine electrical system of the new 323 4WD is as same as that of the new 323 ZWD.
93GOGX-703
SPECIFICATIONS
Item
Battery t
Voltaae EnginelTransaxle
v
Type and capacity
120-hour rate) BP TURBO
MTX BP SOHC
MTX ATX 12
55D23L (60AH)
I
Dark current” mA 1 Max. 20.0
Alternator
Output V-A 12-65
Regulator type Transistorized (built-in iC regulator)
1 I Regulated voltage v
74.1---14.7
Brush length Standard 21.5 (0.846)
mm (in)
Minrmum 8.0 (0.315)
Drive belt deflection
New
98 N (10 kg, 22 lb) 8-9 (0.31-0.35)
mm (in) Used 9-l 0 (0.35-0.39)
Type Direct ] Coaxicat reductron Starter Output V-W
12-U-85 12-0.95 32-l .4
8rush length Standard 17 (0.67) 17.5 (0.69)
mm [in) Minimum 11.5 (0.4531 10.0 (0.39) Distributor
Ignition timing
BTDC
FEN termrnal of diagnosis connector grounded) Electronic spark advance (photo
diode)
10 * I0 5 f lo
Ignition coil Resistance
(at 20°C [68OFj)
I
Primary
coil windinq
I
Spark plug Type I
Secondary 1
f coil windina 1
NGK
Nippon
Denso 10-76 kS-l
8KR5Ell +2 BKR5E”3
BKRGEI 1 l * BKRGE *3
KIGPR-Ull *2 KfGPR-I-Y3
K20PR-Ul l ** K20PR-U
l 3 0.81 ---o-999
pw am
Firrng order
I mm (in) 1.0-I .l (0.039-0.043)“2 0.7-0.8 (0.028-0.03i)*3
l-3-4-2
93GOGX-704
*I Dark current is the constant flow of current while the ignition switch is OFF. (i.e., engine control unit, EC-AT control unit, audro, etc.)
+’ With catalytic converter.
*3 Without catalytic converter.
G-3

G SUPPLEMENTAL SERVICE INFORMATION, STARTING SYSTEM
SUPPLEMENTAL SERVICE INFORMATION
The following points in this section are changed in comparison with Mazda 323 Workshop Manual
[1203-l O-89F (Europe), ? 204-I O-89F (Australia)].
Starter
l Removal / InstaHation
Atternator (RI-ID)
l Removal I InstatIation 93GOGX-705
STARTING SYSTEM
STARTER
Removal I Installation
I. Remove in the order shown in the figure.
2. Inspect all parts, and repair or replace as necessary.
3. lnstail in the reverse order of removal.
37-52 (3.8-5.3, 27-38)
9.8-t2 N-m
(IOO-120 cm-kg, 87-104 in-lb)
(3.8-5.3, 27-38)
9.8-12.N.m
It t \
I. Battery
(100-120 cm-kg, 87-104 in-lb)
37-52 27-38)
(3.8-5.3, 27-38)
N-m (m-kg, ft-lb)
5. Starter
Remove tram above
6.
Starter bracket 2. intake manifold bracket
3. S terminal wire
4. B terminal wire
G-4

CHARGWIG SYSTEM G
CHARGING SYSTEM
PREPARATION
SST
49 0118 85OC For
Puller, ball joint removal of ball
joint
93GOGX-707
ALTERNATOR (RHD)
Removal / Installation
I. Remove in the order shown in the figure.
2. Install in the reverse order of removal, referring to Installation Note.
1
37-52 (3.8-5.3, 27 37-52 (3.8-5.3, 27
72.0, 65-81)
37-52 (3.8-5.3, 27-38) 37-52 (3.8-5.3, 27-38)
N-m (m-kg, ft-lb) N-m (m-kg, ft-lb)
93G?GX-70 93G?GX-70
I. Negative battery cable I. Negative battery cable 7. Stabilizer (Right) 7. Stabilizer (Right)
2. Tire and wheel (Right front) 2. Tire and wheel (Right front) Installation Installation Note . . . . . . . . . . . . . -. . I -. . . . - . . . . page G-6 Note . . . . . . . . . . . . . -. . I -. . . . - . . . . page G-6
3. Undercover 3. Undercover 8. Lower arm (Right) 8. Lower arm (Right)
4. Crossmember 4. Crossmember 9. Driveshaft (Right) 9. Driveshaft (Right)
5. Front exhaust pipe 5. Front exhaust pipe IO. Alternator connectors IO. Alternator connectors
6. Tie-rod end 6. Tie-rod end 11. Alternator 11. Alternator
Removal Note ._....._.........._..._ ._..... page G-6 Removal Note ._....._.........._..._ ._..... page G-6 Remove from below Remove from below
G-5 G-5