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:

Oxygen / af sensor heater monitor
Preconditions The monitor will not run unless: mil is off  drive pattern  connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.  Start the engine and allow it to idle for 9 minutes.  Drive the vehicle at 25 mph (40 km ...

Overhaul
Hint: overhaul the rh side by the same procedures with lh side. 1. Remove rear wheel 2. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 3. Remove rear brake drum subassy Release the parking brake lever, and remove the ...

Clock assy
Replacement 1. Remove console panel upper 2. Remove heater control knob 3. Remove instrument cluster finish panel 4. Remove clock assy Using a screwdriver, disengage the 4 claws, remove the clock as shown in the illustration. Hint: tape the screwdriver tip before use. ...

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