1992 MAZDA PROTEGE coolant

F CONTROL SYSTEM
Ve: Battery voltage
erminal Input Output Connection to
Test condition Correct voltage Remark
2s 0 Solenoid valve
Engine speed below 5,000 rpm ov VICS: Variable In-
(VICS)
Engine speed above 5,000 rpm
VB ertia Charging
System [DOHC]
2T 0 Solenoid valve
60 [DOHC]/120 [SOHC] seconds after ov
(Pressure regula- engine started when engine coolant tem-
tor) [BP] perature above 90% (194OF) and intake
-
air temperature above 58% (136’F)
[DOHC]/50% (122OF) [SOHC]
Other condition at idle
Ve
2u
0 Injector (Nos. 1, 3) Ignition switch ON V0 *Engine Signal
idle
VB Monitor: Green
Engine speed above 2,000 rpm on de-
VB and red lamps
flash
celeration (After warm-up)
2v 0 Injector (Nos. 2, 4) Ignition switch at idle
Ve
idle
VI3
Engine speed above 2,000 rpm on de-
VB celeration (After warm-up)
2w
0 ISC valve Ignition switch ON Approx. 7V
-
Idle
Approx. QV
2x 0 Solenoid valve Ignition switch ON
VB (Purge control) -
Idle VB
2Y - - - - - -
23UOFX-1:
I r
U----l l-l
Ll I-
2y
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F-l 56

F CONTROL SYSTEM
VB: Battery voltage
erminal Input Output Connection to
Test condition Correct voltage Remark
28 1 0 )
1 Airflow meter Ignition switch ON Approx. 3.8V
-
2c 0 Oxygen sensor
2D 0 Fan switch Idle Approx. 3.3V
Ignition switch ON ov
Idle (Cold engine)
ov
Idle (After warm-up) O-l .ov -
increasing engine speed (After warm-up) 0.5-I .ov
Deceleration o-0.4v
Fan operating (Engine coolant tempera- ov
ture over 97OC (207°F) or diagnosis con-
nector terminal TFA grounded) -
2E 0 Water thermo-
sensor Fan not operating (Idle) VS
Engine coolant temperature 20% (68OF)
After warm-up Approx. 2.5V f&ition switch
Below 05V
2F , 0 , , Throttle sensor , Accelerator pedal released
Accelerator pedal fully depressed
2G 0
2H 0 ATF thermosensor -30°C (-20°F) -150°C (302OF) Approx. 4.9%1.12V Ignition switch
ATF
Temp 20% (68OF) Approx. 4.6V ON
130% (266OF) Approx. 1.54V
Hold switch Switch debressed ov Ignition switch
i I I
Switch released Va ON
21 0 Throttle sensor Constant 4.5-5.5v Ignition switch
ON
I , I 2J 0 Distributor Ignition switch ON Approx. OV
(G-signal) [DOHC] or 5V _-
Idle Approx. 1.5V
2K 0 Intake air ther- Ambient air temperature 20% (68’F) Approx. 2.5V Built in airflow
mosensor meter
2L - - - -
- -
2M 0 Pulse generator Engine running at idle (N range) Above 0.6V
-
(IN)
Engine stopped (Ignition switch ON) ov
2N Pulse generator Constant ov
ground
20 0 Solenoid valve ignition switch ON Va
(Purge control) -
Idle Va
2P 0 Hold indicator Hold mode Below 2V Ignition switch
ON
Normal mode VB
23UOFX-1
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4-
F-l 62

F CONTROL SYSTEM
srmina
3A
38
3c
3D
3E
3F
3G
3H
31
3J
3K
3L
3M
3N
30
3P
3Q
3R
3s
3T I input Output Connection to
Test condition Correct voltage Remark Battery voltage t
- -
Ground (Injector) Constant OU -
- -
Ground (Output) Constant OU -
- -
Ground (CPU) Constant OU -
- -
- Ground (Input) Constant ov
0 Inhibitor switch
D range VB Ignition switch
(D range) ON
Other ranges ov
0 DRL relay Parking brake pulled with ignition switch
l DRL: Daytime
(Canada) ON (DRL OFF) Va
Running Lights
Idle (DRL ON) Below 2.5V 0
Inhibitor switch
(L range) L range
Other ranges VB
ov Ignition switch
ON
0 Inhibitor switch
(S range) S range
Other ranges Va
ov Ignition switch
ON
_-__. - -. -
0 Solenoid valve Engine speed below 5,000 rpm Below 1.5V WCS: Variable In-
(VICS)
Engine speed above 5,000 rpm VB ertia Charging
System [DOHC]
- - -
- - -
- -
- - -
- - -
- - -
0 Solenoid valve 60 [DOHC]/120 [SOHC] seconds after Below 1.5v
(Pressure regula- engine started when engine coolant tem-
tor) [BP] perature above 90% (194*F) and intake
-
air temperature above 58% (136OF)
[DOHC]/50”C (122“F) [SOHC]
Other condition at idle Va
- - - - - -
- -
-
A- - -
- -
- I -
0 ISC valve Ignition switch ON VS
l Engine signal
Monitor: Green
I I Idle I
Approx. 1 OV and red lamps
flash
I
-
- - - -
-
- - - -
- - - - - -
23UOFX-1’
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.
F-l 64

F CONTROL SYSTEM
23UOFX-l! 51
.
r---- - --------1
I
I
i I
I
:,
m7 I
- - -.-
Fc E, Vc Ez 23UOFX-158
WATER THER@OSENSOA
I
03UOFX-21
REPLACE WASHEF
f
OYJOFX-2’
AIRFLOW METER (WITH INTAKE AIR THERMOSENSOR)
Inspection
1. Remove the airflow meter. (Refer to page F-109.)
2. Check the airflow meter body for cracks.
3. Verify that the measuring plate moves smoothly.
4. Move the measuring plate and check for resistance between
the terminals with an ohmmeter.
Specification
Terminal
E2 * Vs
E2 ++ Vc
E2
* THAA
(Intake air thermosensor)
El +, Fc Resistance (0)
Fully closed 1
Fully open
20-600 1 20-l ,000
200-400
-20% ( -4’=F): 13.6- 18.4 KQ
20% ( 6899 2.21-2.69 kD
60°C (14OOF): 493- 6670
00
0
WATER THERMOSENSOR
Removal
Note
l Water thermosensor Is placed at:
Rear of engine . . . . . . . . . . . . . . . . . . . . . . . . ..*.............. BP
Intake manifold ,.*......,..m...,..,.....*....*......... 86 -’
1. Disconnect the water thermosensor connector.
2. Remove the water thermosensor.
Inspection
1. Place the sensor in water with a thermometer and heat the
water gradually.
2. Measure resistance of the sensor with an ohmmeter.
3. If not as specified, replace the water thermosensor.
lnstallatlon
1. Install a new washer and the water thermosensor.
Tlghtening torque:
25-29 N.m (2.5-3.0 m-kg,
18-22 ft-lb)
2. Connect the water thermosensor connector.
3. Start the engine and check for coolant leakage.
F-l 68

R OUTLINE
OUTLINE
SPECIFICATIONS
Suspension type Item Specification Strut
Shock absorber Double-acting, oil-filled
Coil spring
Stabilizer Type Front Taper wound
Rear Straight wound
Dimension See coil spring specification below
Type Torsion bar
BP SOHC Front 19.1 (0.75) (Hollow type)
Rear 20.0 (0.79) (Hollow type)
Diameter 22.0 (0.87) (Solid type)
mm (in) BP DOHC ;eTrt
21 .O (0.83) (Solid type)
P ,
-
66 SOHC rronr
Rear 20.0 (0.79) (Hollow type)
Maximum Inner 400 f 20
steering angle
Outer 330 f 20
Total mm (in) 2 f 3 (0.08 f 0.12)
Front toe-in
degree 0.2O f 0.3O
Wheel alignment
(*‘Unladen) Camber angle -0005’ f 45’
Caster angle 1055 * 55’
Kingpin angle 12O25’
Total mm (in) 2 f 3 (0.08 * 0.12)
Rear toe-in
degree 0.2O f 0.3O
Camber angle -0°20’ f 45’
*’ Fuel tank full; radiator coolant and engine oil at specified levels; and spare tire, jack, and tools in designated positions.
23UORX.004
Coil Spring Specifications (See next page for coil spring applications)
I Item Wire diameter Coil center Free lel.=-. .
mm iin1 rliamotor mm [in mm (in 1 coil numbs
Front
nath
1 _ . . *St Identification mark color +l
., . . . . I...,
-*.....-.“, * . . . . . ,..-, -....- I--‘, M iA*=
A 13.1 (0.52) 133.5-159.5 (5.26-6.28)
294.5 (11.59) 3.22 Light green
B 13.3 (0.52) 133.7-159.9 (5.26-6.30) 300.5 (11.83)
3.43 Purple Yellow
C 13.4 (0.53)
132.6-158.6 (5.22-6.24) 301.5 (11.87) 3.49
Light blue
D 13.7 (0.54)
132.9-158.9 (5.23-6.26) 302.0 (11.89) 3.52
Pink White
I F I 12f3 Kl5Al I 1.17 A-l!% 8 f!i PR-Fi 751
I RrIl .5 II 1 6x71 I 3.56 Orange
Blue
3 83 Pink -
Brown - .“._ \“.- .,
. “W.., ~ - -. - \-. -- -. - -, -- .-
\’ .‘-‘I t
F 11 .o (0.43) 129.0 (5.08)
335.0 (13.19) -.--
G 11.2 (0.44) 128.8 (5.07)
334.0 (13.15) 3.94
Rnnr l-4
1 I ? 07 AA 1387 /5n7
.?m !i 113 1% 3 an Blue - I I I I .” \v.-7, I&V., \V.“., ---.., \.-. .-, I 11.5 (0.45) 128.5 (5.06)
333.0 (13.11) i:oi Gray
-
J 11.6 (0.46) 128.4 (5.06)
332.5 (13.09) 4.00 Orange
-
l ’ Main identification mark color: Indicated on second coil from bottom.
*’ Auxiliary identification mark color: Indicated on third coil from bottom. 23UORX-005
R-4

WHEEL ALIGNMENT
WHEEL ALIGNMENT
PRE-INSPECTION
1. Check the tire inflations and set to the recommended pressure, if necessary.
2. Inspect the front wheel bearing play; replace the bearing if necessary.
3. inspect the wheel and tire runout.
4. Inspect the ball joints and steering linkage for any excessive looseness.
5. The vehicle must be on level ground and have no luggage or passenger load.
6. The difference in height between the left and right sides from the center of the wheel to the fender brim
must not exceed
10mm (0.39 in).
7. Shake the vehicle to check operation of the shock absorbers.
03UORX.007
FRONT WHEEL ALIGNMENT
Specifications
item
Specifications
Maximum Inner 4o” f: 2O
steering angle Outer
33O f 2O
Total mm (in) 2 f 3 (0.08 f 0.12)
toe-in dearee 0.20 f 0.30 Wheel alignment
(*‘Unladen) Front
*I Fuel tank full; radiator coolant and Camber angle -0005 * 45’
Caster angle 1°55’ f 55’
Kingpin angle 12O25’
engine oil at specified level; and spare tire, jack, and tools in designated positions.
23UORX-008
I
I 23UORX-023
Adjustments
Maximum steering angle
1. Loosen the left and right tie rod locknuts, then turn the tie
rods equally.
Maximum left/right difference: 3mm (0.12 in)
2. Tighten the tie rod locknuts.
Tightening torque:
34-50 N-m (3.5-5.1 m-kg, 25-37 ft-lb)
3. Adjust the toe-in after adjusting the steering angle.
4. Inspect and adjust the toe-in after adjusting the turning angle.
I 23UORX-024
R-7

WHEEL ALIGNMENT
REAR WHEEL ALIGNMENT
Specifications
kern Specifications
Total mm (in) 2 f 3 (0.08 f 0.12)
Wheel alignment
(*‘Unladen) Rear toe-in
degree 0.2O f 0.3O
Camber angle -0020’ f 45’
*I Fuel tank full; radiator coolant and engine oil at specified level; and spare tire, jack, and tools in designated positions.
13UORX-012
Adjustment
Total toe-in
1. Loosen the lateral link locknuts.
2. Turn the lateral link adjustment link to adjust.
Note
l One turn of the link changes 11.3mm (0.44 in).
3. Tighten the lateral link locknuts to the specified torque.
Tightening torque:
55-64 N,m (5.6-6.5 m-kg, 41-47 ft-lb)
R-9

HEATER U
HEATER UNIT
Removal / Installation
1. Drain the engine coolant.
2. Remove the dashboard. (Refer to Section S.)
3. Remove as shown in the figure.
4. Install in the reverse order of removal
Note
l When disconnecting the heater hose from the heater core, unlock the hose connector at the
heater core side.
l When installing the heater hose on the heater core, verify that the hose connector is securely
locked.
l Release the clamp, and remove the seal plate together with the heater unit.
1. Seal plate 3. Heater hose
2. Hose connector
4. Heater unit
u-21