Mazda Protege 5. Manual - part 250

AUTOMATIC TRANSAXLE 

05–17–9

05–17

End Of Sie

Z3U0140W104

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AUTOMATIC TRANSAXLE 

05–17–10

AUTOMATIC TRANSAXLE (ATX) POWERTRAIN STRUCTURAL VIEW

A3U051701030W04

Y3U517WA3

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AUTOMATIC TRANSAXLE 

05–17–11

05–17

EC-AT Operation Chart

End Of Sie

MECHANICAL SYSTEM TEST

A3U051701030W05

Mechanical System Test Preparation

1. Apply the parking brake and use wheel chocks at the front and rear of the wheels.
2. Inspect the engine coolant. (See 01–12–2 COOLING SYSTEM SERVICE WARNINGS.) (See 01–12–2 

ENGINE COOLANT LEVEL INSPECTION.)

3. Inspect the engine oil. (See 01–11–2 ENGINE OIL INSPECTION.)
4. Inspect the ATF levels. (See 05–17–18 Automatic Transaxle Fluid (ATF) Level Inspection.)
5. Inspect the ignition timing. (See 01–10A–25 Ignition Timing Inspection.) (See 01–10B–25 Ignition Timing 

Inspection.)

6. Inspect the idle speed. (See 01–10A–26 Idle Speed Adjustment.) (See 01–10B–26 Idle Speed Adjustment.)

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AUTOMATIC TRANSAXLE 

05–17–12

Line Pressure Test

1. Perform mechanical system test preparation. (See 05–17–11 Mechanical System Test Preparation.)

Warning

••••

Removing the square-head plug when the ATF is hot can be dangerous. Hot ATF can come out of 
the opening and badly burn you. Before removing the square-head plug, allow the ATF to cool.

2. Connect the SSTs (49 0378 400C, 49 B019 901B 

and 49 H019 002) to the line pressure inspection 
port.

3. Start the engine and shift the selector lever to D 

range and read the line pressure at idle.

Warning

••••

Removing the SST when the ATF is hot 
can be dangerous. Hot ATF can come out 
of the opening and badly burn you. 
Before removing the SST, allow the ATF 
to cool.

4. Turn the engine off and remove the SST (49 B019 

901B), and replace the gauge part of the SST (49 
B019 902).

Caution

••••

Do not maintain WOT in any position/
range for more than 5 seconds, or 
transaxle damage will occur.

5. Start the engine and firmly depress the brake 

pedal with the left foot, and then depress the 
accelerator pedal to floor (WOT) with the right.

6. When the engine speed no longer increases, 

quickly read the line pressure and release the accelerator pedal.

7. Shift the selector lever to N position and let the engine idle for 1 minute or more to cool the ATF.
8. Read the line pressure at idle and at the engine stall speed for the 2, and 1 ranges and R position in the same 

manner.

Line pressure specification

9. Shift the selector lever to P position and turn off the engine.

Warning

••••

Removing the SST when the ATF is hot can be dangerous. Hot ATF can come out of the opening 
and badly burn you. Before removing the SST, allow the ATF to cool.

10. Remove the SST.
11. Install a new square head plug in the inspection port.

Tightening torque

4.91—9.80 N·m {50—100 kgf·cm, 43.4—86.7 in·lbf}

Position

/range

Line pressure kPa {kgf/cm

2

, psi}

Idle

Stall

ZM

FS

ZM

FS

D, 2, 1

330—470 {3.4—

4.7, 49—66}

1,200—

1,360 

{12.3—13.8, 

175—196}

1,160—

1,320 

{11.9—13.4, 

170—190}

R

490—710 {5.0—

7.2, 72—100}

1,470—1,690 {15.0—17.2, 

214—244}

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