SOLENOID VALVE INSPECTION [FN4A-EL]

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Caution

• Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.

On-Vehicle Inspection

1. Disconnect the coupler component connector.

(1) Disconnect the negative battery cable.

(2) Disconnect the coupler component connector.

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2. Measure the resistance between the following terminals.

• If there is any malfunction, inspect the coupler component.(See SOLENOID VALVE REMOVAL/INSTALLATION [FN4A-EL].)

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Solenoid valve resistance (ATF temperature: –40—150 °C {–40—302 °F})

Solenoid valve	Terminal	Resistance (ohm)
Pressure control	D—I	2.4—7.3
Shift solenoid A	A—ground	1.0—4.2
Shift solenoid B	C—ground	1.0—4.2
Shift solenoid C	G—ground	1.0—4.2
Shift solenoid D	B—ground	10.9—26.2
Shift solenoid E	F—ground	10.9—26.2

Off-Vehicle Inspection

1. Disconnect the negative battery cable

2. Remove the solenoid valve.

3. Measure the resistance of each solenoid valve individually.

• If there is any malfunction, replace the solenoid valve.(See SOLENOID VALVE REMOVAL/INSTALLATION [FN4A-EL].)

Pressure control solenoid Resistance

2.4—7.3 ohms

(ATF temperature: –40—150 °C {–40—302 °F})

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Shift solenoid A, B, C Resistance

1.0—4.2 ohms

(ATF temperature: –40—150 °C {–40—302 °F})

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Shift solenoid D, E Resistance

10.9—26.2 ohms

(ATF temperature: –40—150 °C {–40—302 °F})

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Operating Inspection

1. Disconnect the coupler component connector.

(1) Disconnect the negative battery cable.

(2) Disconnect the coupler component connector.

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Caution

• Do not apply battery position voltage to terminals for more than three seconds.

Note

• Because the operation sound of the valves is small, perform inspection in a quiet place.

2. Apply battery positive voltage to terminals A, B, C, F or G and battery negative voltage to ground, and verify that operating sound is heard from solenoid.

• If the “click” is not heard, inspect the coupler component.

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3. Apply battery positive voltage to terminal D and battery negative voltage to terminal I, and verify that operating sound is heard from solenoid.

• If the “click” is not heard, inspect the coupler component.