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 MANUALSSCION2006XB L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSHYDRAULIC TEST
2006 Scion xB L4-1.5L (1NZ-FE)
Hydraulic Test
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Hydraulic Test
HYDRAULIC TEST
1. MEASURE LINE PRESSURE
NOTICE:
^ Perform the test at the normal operating ATF temperature: 50 to 80°C (122 to 176°F).
^ The line pressure test should always be performed with at least 2 people. One person should observe the condition of the wheels or wheel chocks while the other is performing the test.
^ Be careful to prevent SST's hose from interfering with the exhaust pipe.
^ This test must be performed after checking and adjusting the engine.
^ Perform the test with the A/C OFF.
^ When conducting the stall test, do not continue for more than 10 seconds.
a) Warm up the ATF.
b) Remove the test plug on the transaxle case center right side and connect SST.
SST 09992-00095 (09992-00231, 09992-00271)
c) Fully apply the parking brake and chock the 4 wheels.
d) Start the engine and check idling speed.
e) Keep your left foot firmly on the brake pedal and move the shift lever to D.
f) Measure the line pressure when the engine is idling.
g) Depress the accelerator pedal as much as possible with your right foot. Quickly read the highest line pressure reading when the engine speed reaches stall speed.
h) Perform the measure line pressure test again with the shift lever on R.
Specified line pressure:
Evaluation:
1. MEASURE LINE PRESSURE
NOTICE:
^ Perform the test at the normal operating ATF temperature: 50 to 80°C (122 to 176°F).
^ The line pressure test should always be performed with at least 2 people. One person should observe the condition of the wheels or wheel chocks while the other is performing the test.
^ Be careful to prevent SST's hose from interfering with the exhaust pipe.
^ This test must be performed after checking and adjusting the engine.
^ Perform the test with the A/C OFF.
^ When conducting the stall test, do not continue for more than 10 seconds.
a) Warm up the ATF.
b) Remove the test plug on the transaxle case center right side and connect SST.
SST 09992-00095 (09992-00231, 09992-00271)
c) Fully apply the parking brake and chock the 4 wheels.
d) Start the engine and check idling speed.
e) Keep your left foot firmly on the brake pedal and move the shift lever to D.
f) Measure the line pressure when the engine is idling.
g) Depress the accelerator pedal as much as possible with your right foot. Quickly read the highest line pressure reading when the engine speed reaches stall speed.
h) Perform the measure line pressure test again with the shift lever on R.
Specified line pressure:
Specified line pressure::
Evaluation:
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.