stop start MAZDA 626 1987 Owner's Manual

7B TROUBLESHOOTING (G4A-EL)
STEP 5 (TIME LAG TEST)
If the selector lever is shifted while the engine is idling, there will be a certain time lapse, or time lag,
before shock is felt. This step checks this time lag for checking condition of the 1-2, N-R, and N-D
accumulators, forward, and one-way clutches, 2-4 brake band, and low and reverse brake.
Preparation
76G07B-030
Procedure
1. Start the engine and check the idle speed in P range.
Idle speed: 900 ±58 rpm
2. Shift from N range to D range
3. Measure the time it takes from shifting until shock is felt, with a stop watch.
4. Shift the selector to N range and run the engine at idle speed for at least one minute.
5. Perform the test for the following shifts in the same manner.
(1) N D range (Hold mode)
(2) N -» R range
Note
Make three measurements for each test and take the average value.
Specified time lag: N -> D range
N -»• R range
Evaluation
Condition Possible Cause
N D (Economy) shifting
More than specification
Insufficient line pressure Forward clutch slipping One-way clutch 1 slipping One-way clutch 2 slipping N D (Economy) shifting
Less than specification N-D accumulator not operating properly
Excessive line pressure
N-D (Hold) shifting
More than specification
Insufficient line pressure Forward clutch slipping 2-4 brake band slipping One-way clutch 1 slipping N-D (Hold) shifting
Less than specification 1-2 accumulator not operating properly
Excessive line pressure
N R shifting
More than specification
Insufficient line pressure Low and reverse brake slipping Revese clutch slipping N R shifting
Less than specification N-R accumulator not operating properly
Excessive line pressure
86U07B-038
0.5—1.0 second
0.5—1.0 second
7B-30

7B TROUBLESHOOTING (G4A-HL)
STEP 4 (TIME LAG TEST)
If the selector lever is shifted while the engine is idling, there will be a certain time lapse, or time lag,
before shock is felt. This step checks this time lag for checking the condition of the N-D and N-R ac-
cumulators, forward, reverse and one-way clutches, and low and reverse brake.
Preparation
Perform the preparation procedure shown in the STEP 3 (STALL TEST).
Procedure
1. Start the engine and check that the idle speed is 900 l5o rpm.
2. Shift from N range to D range
3. Measure the time it takes from shifting until shock is felt using a stop watch.
4. Shift the selector to N range and run the engine at idle speed for at least one minute.
5. Perform the test for the shift from N range to R range in the same manner.
Note
Make three measurements for each test and take the average value.
Specified time lag: N -> D range 0.4—1.2 second
N -> R range 0.4—1.5 second
Evaluation
Condition Possible Cause
N D shift
More than specification
Insufficient line pressure
N D shift
More than specification Forward clutch slipping
N D shift
More than specification One-way clutch 1 slipping N D shift
More than specification
One-way clutch 2 slipping N D shift
Less than specification N-D accumulator not operating properly
N D shift
Less than specification Excessive line pressure
N-R shift
More than specification
Insufficient line pressure
N-R shift
More than specification Low & reverse brake slipping
N-R shift
More than specification
Reverse clutch slipping N-R shift
Less than specification N-R accumulator not operating properly
N-R shift
Less than specification Excessive line pressure
76G07B-056
7B-52

TROUBLESHOOTING 7C
STEP 3 (TIME LAG TEST)
When the selector lever is shifted while the engine is idling, there is a certain time lapse, or time lag,
before shock is felt. This time lag test checks the condition of the front, rear, and one-way clutch, low
and reverse brake, and orifice check valve.
Preparation
Follow the test preparation procedure shown in STEP 2 (STALL TEST).
Procedure
1. Start the engine and verify that the idle speed is 950tso rpm.
2. Shift from N range to D range
3. Measure the time it takes from shifting until shock is felt with a stop watch.
4. Shift the selector to N range and run the engine at idle for one minute or more.
5. Perform the test for N range to R range in the same manner.
Note
Make three measurements for each test and take the average value.
Specified time lag: N D range 0.5—1.0 second
N R range 0.5—1.0 second
Evaluation
Condition Possible Cause
N -» D shift More than specification
Insufficient line pressure
N -» D shift More than specification Rear clutch slipping N -» D shift More than specification
One-way clutch slipping N -» D shift
Less than specification N-D accumulator not operating properly
N-R shift
More than specification
Insufficient line pressure
N-R shift
More than specification Low and reverse brake slipping
N-R shift
More than specification
Front clutch slipping N-R shift
Less than specification Stuck orifice check valve
N-R shift
Less than specification Excessive line pressure
76G07C-027
7C-17

1 0 4-WHEEL STEERING GEAR AND LINKAGE
86U10X-301
86U10X-302
86U10X-303
4WS PERFORMANCE INSPECTION
1. Steering Angle Transfer Shaft Alignement
(Simple inspection)
(1) Put masking tape on the steering wheel and
column cover.
(2) Drive the vehicle on a straight, flat road for at
least 30 m (18.6 ft) and note the steering wheel
position. Stop and mark the straight-ahead po-
sition on the steering wheel and column cover
tape. Drive the vehicle again and check the
marks.
(3) With the marks between the steering wheel and
column cover aligned, check that the rear
wheels do not turn off center when the engine
is started.
(4) If the rear wheels move, adjust the steering an-
gle transfer shaft.
(Inspection by dial indicator)
(1) Mark between the steering wheel and column
cover as shown above.
(2) Attach a scale on the column cover as shown
in the illustration.
86U10X-304
10-32

POWER BRAKE UNIT 1 1
86U11X-038
0
o
X
\ V^ Third
Second
^ First
86U11X-039
O X

fiSy

V
86U11X-040
Pedal-depression Pre!tur!9au9e
force gauge
^Intake manifold
86U11X-041
POWER BRAKE UNIT
FUNCTION CHECK
Simple Method
First step
1. With the engine stopped, depress the pedal a few
times.
2. With the pedal depressed, start the engine
3. If immediately after the engine starts the pedal
moves down slightly, the unit is operating.
Second step
1. Start the engine.
2. Stop the engine after it has run for
1
or 2 minutes.
3. Depress the pedal with the usual force.
4.
If
the first pedal stroke is long and becomes short-
er with subsequent strokes, the unit is operating.
5. If a problem is found, inspect for damage of the
check valve or vacuum hose, and examine the in-
stallation condition. Repair if necessary, and inspect
it once again.
Third step
1. Start the engine.
2. Depress the pedal with the usual force.
3. Stop the engine with the pedal still depressed.
4. Hold the pedal down for about 30 seconds.
5. If the pedal height does not change, the unit is
operating.
6. If there is a problem, check for damage to the
check valve or vacuum hose, and check the con-
nection. Repair if necessary, and check once
again.
If the nature of the problem is still not clear after fol-
lowing the 3 steps above, follow the more detailed
check described in "Method using tester".
Method Using Tester
Connect a pressure gauge, vacuum gauge, and ped-
al depression force gauge as shown in the figure. Af-
ter bleeding the air from the pressure gauge, conduct
the test as described in the 3 steps below.
Note
Use commercially available gauges and ped-
al depression force gauge.
11—27

1 1 POWER BRAKE UNIT
a) Checking for vacuum loss
Unloaded condition
1. Start the engine.
2. Stop the engine when the vacuum gauge reading
reaches 500 mmHg (19.7 inHg).
3. Observe the vacuum gauge for 15 seconds.
If
the
gauge shows 475—500 mmHg (18.7—19.7
inHg), the unit is operating.
76G11X-065
Loaded condition
1. Start the engine.
2. Depress the brake pedal with a force of 196 N (20
kg, 44 lb).
3. With the brake pedal depressed, stop the engine
when the vacuum gauge reading reaches 500
mmHg (19.7 inHg).
4. Observe the vacuum gauge for 15 seconds.
If
the
gauge shows 475—500 mmHg (18.7—19.7
inHg), the unit is operating.
76G11X066
b) Checking for hydraulic pressure
1. If with the engine stopped (when vacuum is 0
mmHg) the relation between pedal force and fluid
pressure is within specification, the unit is operating.
Pedal force Fluid pressure
196 N (20 kg, 44 lb) | 1,177 kPa (12 kg/cm2, 171 psi) mia
76G11X-067
2. Start the engine. Depress the brake pedal when
the vacuum reaches 500 mmHg (19.7 inHg).
If the relation between pedal force and fluid pres-
sure is within specification, the unit is operating.
Pedal force Fluid pressure
196 N (20 kg, 44 lb) 7,063 kPa (72 kg/cm2, 1,024 psi) min.
76G11X068
11-28

PARKING BRAKE 1 1
86U11X-130
86U11X-131
PARKING BRAKE
ON-VEHICLE MAINTENANCE
Parking Brake Lever Stroke
Inspection
Check that the stroke is within specification when the
parking brake lever is pulled with a force of 98N
(10kg, 22lb).
Stroke: 5—7 notches
Adjustment
1. Before adjustment, start the engine and depress
the brake pedal several times.
2. Stop the engine.
3. Remove the adjust nut clip and turn the adjust nut
at the front of the parking cable.
4. After adjustment, check the following points:
(1) Turn the ignition switch ON, pull the parking
brake lever one notch, and check that the park-
ing brake warning lamp illuminates.
(2) Check that the rear brakes do not drag.
11—65

13 REAR WHEEL ALIGNMENT
2. Measure the camber angle with the caster/cam-
ber gauge.
Camber: -0°30' ± 45' (2WS)
0°00' ± 45' (4WS)
86U13X-123
Front
EAR TURNING ANGLE (4WS)
Place the rear wheels on a turning radius gauge.
Jack up the front of the vehicle.
Start the engine and let it idle.
Caution
If the engine is stopped while the steering
wheel is left turned to one side or the other,
the rear wheels will return to the straight-
ahead direction, and, when the engine is later
started once again, the direction of the rear
wheels will change. Be sure, therefore, to
check to be sure that the wheels are not
touching, or close to, anyone's hands or feet,
or any other object, when the engine is
stopped or started.
Turn the steering wheel fully left and right, and
measure the rear turning angle.
Rear turning angle Inner 5°00' ± 45'
Outer 5°00' ± 45'
If not within specification, adjust the rear turning
angle. (Refer to Section 10)
86U13X-125
13—54

15 WARNING AND SENDER
86U15X-068
86U15X069
86U15X-070
Door Switch
1. Check for continuity of the switch with an
ohmmeter.
2. If continuity is not as specified, replace the switch.
Washer Level Sensor
1. Check for continuity between C (LY) terminal and
D (B) terminal of the washer level sensor con-
nector.
Oil Pressure Switch
1. Disconnect the connector from the oil pressure
switch.
2. Check for continuity between the switch and a
body ground with each condition.
Coolant Level Sensor
1. Remove the level sensor and connect the con-
nector.
2. With the sensor not grounded to the body, start
the engine.
3. After checking that the warning light illuminates,
ground the threaded part of the sensor.
4. If the warning light remains illuminated, the sen-
sor is faulty and replace it.
73G15X-013
15—40

Engine Continuity
Running Yes
Stop No
Terminals Float level Continuity
C (LY)—D
(B)
Bottom Yes C (LY)—D
(B)
Above bottom No

2. If continuity is not as specified, replace the sensor.

REAR WINDOW WIPER 1 5
86U15X-132
INSPECTION
Operation Check of Rear Wiper Motor
1. Check that the motor operates continuously when
12V is connected to the (a) terminal and ground
is connected to the (b) terminal of the motor.
2. Start the motor again.
Disconnect the ground from the (b) terminal, and
then connect the ground to the motor body im-
mediately. Check that the motor shaft reaches the
auto-stop position, and that there is conductivity
through the grounding of the motor body.
Note:
Be sure to re-install the rubber seal correctly.
Operation Check of Rear Washer Motor
1. Using a voltmeter, measure the voltage between
the (b) terminal and a body ground with the igni-
tion switch ON.
2. If no voltage, check the fuse or repair the harness.
3. If the (b) terminal voltage is 12 V, connect the (a)
terminal to a body ground.
4. If the washer motor does not operate, replace the
washer motor.
76G15X-094
15-75