OUTPUT SHAFT SPEED (OSS) SENSOR INSPECTION [5R55S]


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Caution
•  Water or foreign material entering the connector can cause poor connections or corrosion. Be sure that water or foreign material do not enter the connector when disconnecting it.

1.  Disconnect the negative battery cable.

2.  Remove the oxidation catalytic converter. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [WL-C, WE-C].)

3.  Remove the propeller shaft. (See PROPELLER SHAFT REMOVAL/INSTALLATION [5AT].)

4.  Remove the crossmember and transmission mount rubber. (See AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION [5R55S].)

5.  Lower the transmission slightly.

6.  Disconnect the OSS sensor connector.

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Caution
•  Do not apply a shock in the OSS sensor.
•  Do not damage the terminals.

7.  Measure the resistance between the OSS sensor terminals.

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•  If there is any malfunction, replace the OSS sensor. (See OUTPUT SHAFT SPEED (OSS) SENSOR REMOVAL/INSTALLATION [5R55S].)

OSS sensor resistance

Resistance (ohm)

Temperature (°C {°F})

226—390
-20 {4}
325—485
21 {70}
492—738
150 {302}

8.  Connect the OSS sensor connector.

9.  Install the crossmember and transmission mount rubber. (See AUTOMATIC TRANSMISSION REMOVAL/INSTALLATION [5R55S].)

10.  Install the propeller shaft. (See PROPELLER SHAFT REMOVAL/INSTALLATION [5AT].)

11.  Install the oxidation catalytic converter (See EXHAUST SYSTEM REMOVAL/INSTALLATION [WL-C, WE-C].)

12.  Connect the negative battery cable.