Mazda 1990 323 Workshop Manual Supplement page 309

ROAD TEST
K2
Slippage Test
This step is performed to inspect slippage of the friction elements.
Preparation
1. Connect a tachometer to the engine and set it in the cabin.
2. Connect the
EC-AT Tester Set
between the EC-AT control unit and wiring harness.
Procedure
Drive the vehicle in each of the gears indicated below and check whether the vehicle speed or engine speed
is above or below specification as shown by the turbine speed.
Driving condition
No. Gears Other condition
1 1 st L range, Hold mode
2 1 1st 1 D range, Normal mode
3 1 2nd 1 S range, Hold mode
1 4 1 3rd 1 D ranue, Hold mode
I
I 5 I OD I D range, Normal mode I
Speed
Drum speed (t-pm)
I
1.000
I
2.000
I
3.000 I 4,000
I
Vehicle speed
km/h (mph)
'
10
(6)
20 (12) 36 (19) 40 (25)
10
(6)
20 (12) 30 (19) 40 (25)
18 (11) 36 (22) 55 (34) 73 (45)
28 (17) 1 56 (35) 1 84 (52) 1 112 (69)
40 (25) 1 80 (50) 1 120 (74)
1 160 (99)
6 OD
D range, Normal mode,
Lockup
Engine speed (rpm) 1,000 2,000 3,000 4,000
03UOK2-082
Evaluation
When there is no malfunction in the electrical system or hydraulic system, but vehicle speed or engine speed
is below specification, the problem can be attributed to slippage of the friction elements.
r--
Driving conditions below specification
I
Possible Cause
I
No.1 condition only
No.2 condition only
No.3 condition only
No.4 condition only
No.5 condition only
1 No.1 -No.5 conditions
No.6 condition only
Low and reverse brake
One-way clutch 1
2-4 brake band
Coasting clutch
3-4 clutch
Forward clutch
Lookup piston (in torque converter)
03UOKX-118
K2-133