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1.Use the M.U.T.-III to measure the A/T fluid temperature and check that the A/T fluid temperature is 20°C.
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2.Disconnect the A/T control solenoid valve assembly connector. 3.Measure the resistance between the solenoid valve terminals. 4.Check that the measured values are within the standard values at items 1 and 3.
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STANDARD VALUE:
Name
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Terminal No.
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Resistance value
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Damper clutch control solenoid valve
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7 -
10
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2.7 -
3.4 Ω
(A/T fluid temperature 20°C)
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Low-reverse solenoid valve
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6 -
10
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Second solenoid valve
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4 -
9
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Underdrive solenoid valve
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3 -
9
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Overdrive solenoid valve
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5 -
9
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5.If within the standard value, check the power supply and the earth circuits. 6.If not within the standard value, drain the A/T fluid and remove the valve body cover.
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7.Disconnect the solenoid valve connectors.
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8.Measure the resistance between terminals 1 and 2 at each solenoid valve side. Standard value: 2.7 -
3.4 Ω
(A/T fluid temperature 20°C) 9.If not within the standard value, replace the solenoid valve. 10.If within the standard value, check the harness wire between A/T control solenoid valve assembly connector and each solenoid valve connector. If a problem is not found at the steps above, check the solenoid valve O-rings and replace if necessary.
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