Toyota Tacoma manuals

Toyota Corolla Repair Manual: Hydraulic test

1. Perform hydraulic test

  1. Measure the line pressure.

Notice

:

  1. Warm up the atf.
  2.  Remove the test plug on the transaxle case front left side and connect sst.

    Sst 0999200095 (0999200231, 0999200271)

  3.  fully apply the parking brake and chock the 4 wheels.
  4.  Connect an obd ii scan tool or handheld tester to the dlc3.
  5.  Start the engine and check the idling speed.
  6.  Keep your left foot pressed firmly on the brake pedal and shift into the d position.
  7.  Measure the line pressure when the engine is idling.
  8.  Depress the accelerator pedal all the way down.

    Quickly read the highest line pressure when the engine speed reaches the stall speed.

  9. Do the test in the r position in the same way.

Specified line pressure:

Evaluation:

Evaluation:

Problem

Possible cause

If the measured values at all positions are higher
  • Line pressure control solenoid (slt) defective
  • Regulator valve defective
If the measured values at all positions are lower
  • Line pressure control solenoid (slt) defective
  • regulator valve defective
  • oil pump defective
  • o/d direct clutch defective
If pressure is low in the d position only
  • D position circuit fluid leak
  • forward clutch defective
If pressure is low in the r position only
  • R position circuit fluid leak
  • direct clutch defective
  • 1st and reverse brake defective
Mechanical system tests
1. Perform mechanical system tests Measure the stall speed. The object of this test is to check the overall performance of the transaxle and engine by measuring the stall speeds in the d an ...

Manual shifting test
1. Perform manual shifting test Hint: by this test, it can be determined whether the trouble is within the electrical circuit or is a mechanical problem in the transaxle. Disconnect the tra ...

Other materials:

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency. Removal method 1Turn the engine switch off. 2 Open the glove box. Slide off the damper. 3 Push in the glove box on the vehicles outer side to disconnect the claws. Then pull out the glove box an ...

Out side moulding
Replacement Hint: use the same procedures for the rh side and lh side. 1. Remove outside moulding Put protective tape around the moulding.  insert a piano wire between the vehicle body and moulding.  tie objects that can serve as handles (for example, wooden blocks) to all ...

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