Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2007HIGHLANDER 2WD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSHYDRAULIC TEST
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Hydraulic Test
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Hydraulic Test
HYDRAULIC TEST
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
NOTICE:
^ Perform the test at the normal operating ATF (Automatic Transmission Fluid) temperature: 50 to 80°C (122 to 176°F).
^ The line pressure test should always be carried out in pairs. One technician should observe the conditions of wheels or wheel stoppers outside the vehicle while the other is performing the test.
^ Be careful to prevent SST hose from interfering with the exhaust pipe.
^ This Check must be conducted after checking and adjusting engine.
^ Perform under condition that A/C is OFF.
^ When conducting stall test, do not continue more than 10 seconds.
(1) Warm up the ATF (Automatic Transmission Fluid).
(2) Lift the vehicle up.
(3) Remove the engine under cover.
(4) Connect the intelligent tester together with the CAN VIM (controller area network vehicle interface module) to the DLC3.
(5) Remove the test plug A on the transaxle case front left side and install the SST.
SST 09992-00095 (09992-00231, 09992-00271)
NOTICE: There is a difference in installation point between D position and R position.
(6) Start the engine.
(7) Using intelligent tester, shift to D position and hold 3rd gear by active test, and measure the line pressure in idling.
(8) Turn the ignition switch off.
(9) Disconnect the connector of the transmission wire.
HINT: Disconnect the connector only when performing the D position stall test.
(10) Start the engine.
(11) Firmly depress the brake pedal, shift to the D position, depress the accelerator pedal all the way down and check the line pressure while the stall test is performed.
(12) Turn the ignition switch off.
(13) Remove the SST, install the test plug A.
(14) Remove the test plug B, install the SST and start engine.
SST 09992-00095 (09992-00231, 09992-00271)
(15) Connect the transmission wire connector, depress the brake pedal firmly, shift to the R position and check that the line pressure while the engine is idling and during the stall test.
(16) Remove the SST, install the test plug B.
(17) Clear the DTC.
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
NOTICE:
^ Perform the test at the normal operating ATF (Automatic Transmission Fluid) temperature: 50 to 80°C (122 to 176°F).
^ The line pressure test should always be carried out in pairs. One technician should observe the conditions of wheels or wheel stoppers outside the vehicle while the other is performing the test.
^ Be careful to prevent SST hose from interfering with the exhaust pipe.
^ This Check must be conducted after checking and adjusting engine.
^ Perform under condition that A/C is OFF.
^ When conducting stall test, do not continue more than 10 seconds.
(1) Warm up the ATF (Automatic Transmission Fluid).
(2) Lift the vehicle up.
(3) Remove the engine under cover.
(4) Connect the intelligent tester together with the CAN VIM (controller area network vehicle interface module) to the DLC3.
(5) Remove the test plug A on the transaxle case front left side and install the SST.
SST 09992-00095 (09992-00231, 09992-00271)
NOTICE: There is a difference in installation point between D position and R position.
(6) Start the engine.
(7) Using intelligent tester, shift to D position and hold 3rd gear by active test, and measure the line pressure in idling.
Specified line pressure:
(8) Turn the ignition switch off.
(9) Disconnect the connector of the transmission wire.
HINT: Disconnect the connector only when performing the D position stall test.
(10) Start the engine.
(11) Firmly depress the brake pedal, shift to the D position, depress the accelerator pedal all the way down and check the line pressure while the stall test is performed.
Specified line pressure:
(12) Turn the ignition switch off.
(13) Remove the SST, install the test plug A.
(14) Remove the test plug B, install the SST and start engine.
SST 09992-00095 (09992-00231, 09992-00271)
(15) Connect the transmission wire connector, depress the brake pedal firmly, shift to the R position and check that the line pressure while the engine is idling and during the stall test.
Specified line pressure:
(16) Remove the SST, install the test plug B.
(17) Clear the DTC.
Evaluation:
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.