Mazda 1990 323 Workshop Manual Supplement page 299

MECHANICAL SYSTEM TEST
K2
LINE PRESSURE TEST
This test measures line pressures as a means of checking the hydraulic components and inspecting for oil
leakage.
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Preparation
1. Perform the preparation procedure outlined in STALL TEST. (Refer to page K2-119.)
2. Connect a tachometer to the engine.
3. Connect the
SST
to the line pressure inspection port (square head plug L).
Procedure
1
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@
ZNGAGE PARKING BRAKE
03UOK2-070
LINE PRESSURE
AT IDLE
LINE PRESSURE
AT STALL
43
1. Start the engine and check the idle speed in P range. (Refer to Section F.)
Idle speed: 750 f 50 rpm (with parking brake applied)
2. Shift the selector lever to D range and read the line pressure at idle.
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Caution
l
Step 3 and 4 must be performed within 5 seconds to prevent possible transaxle damage.
3 Depress the brake pedal firmly with the left foot and gradually depress the accelerator pedal with the right foot.
4: Read the line pressure as soon as the engine speed becomes constant, then release the accelerator pedal.
K2-123